2016 05 smith sedar 41 review workshop report...the monte carlo bootstrap (mcb) evaluations of...

48
External Independent Peer Review of the SEDAR 41 South Atlantic Red Snapper and Gray Triggerfish Assessment Review Workshop Prepared by Stephen J. Smith 383 Portland Hills Drive Dartmouth, Nova Scotia Canada B2W 6R4 for The Center for Independent Experts May 2016

Upload: others

Post on 03-Aug-2020

0 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

ExternalIndependentPeerReviewofthe

SEDAR41SouthAtlanticRedSnapperandGrayTriggerfishAssessmentReviewWorkshop

Preparedby

StephenJ.Smith

383PortlandHillsDriveDartmouth,NovaScotia

CanadaB2W6R4

for

TheCenterforIndependentExperts

May2016

Page 2: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Executivesummary

TheSoutheastData,Assessment,andReview(SEDAR)41ReviewPanelmetfrom15to18March2016,inCharleston,SCtoreviewthedataandassessmentsforSouthAtlanticredsnapperandgraytriggerfish.ThepanelconsistedofthreeSouthAtlanticFisheriesManagementCouncil(SAFMCSSC)membersasreviewers,oneofwhomchairedthemeeting,andthreeCenterforIndependentExperts(CIE)reviewers.Redsnapperwaslastassessedin2010(SEDAR24,2010)andgraytriggerfishwasoriginallytobeassessedatSEDAR32in2013,butthediscoveryofageingerrorsdelayedtheassessmentuntilthismeeting.TheprimaryassessmentmodelusedwastheBeaufortAssessmentModel(BAM),asoftwarepackagethatimplementsastatisticalcatch-at-ageframework.Theformulationisanage-structuredpopulationmodelthatisfitusingstandardstatisticalmethodstodataavailablefromsurveysandcommercialandrecreationalfishingfleets,suchaslandings,discards,indicesofabundance,agecompositions,andlengthcompositions.Lateinthemeeting,correctionshadtobemadetotheagecompositionsfortheChevrontrapsurveyestimates,whichdelayedhavingthecompleteresultsforthebasecasemodelforredsnapperavailabletothereviewpaneluntilafterthemeeting.Afollow-upwebinaron8April2016wasnecessarytocontinuediscussionofprojectionsandfinalizetheSEDAR41ReviewWorkshopprocess.Theresultsoftheage-basedmodelindicatedthattheredsnapperstockwasoverfishedandoverfishingwasoccurring.Theresultsofthestockassessmentwerejudgedtobethebestscientificinformationavailable;however,theincreasingrelianceondiscarddatatomonitortheamountandsizecompositionofremovalswillmakeprojectionshighlyuncertain.TheBAMwasalsousedfortheSouthAtlanticgraytriggerfishstockwithcommercialandrecreationallandings,discards,andlengthandagecompositions.TheChevrontrap/videosurveywastheonlyabundanceindexusedinthemodel.TheestimatesoflowabundanceatthebeginningofthetimeseriesduetothehighweightgiventotheChevrontrap/Videosurvey,andthepoorfittoagecompositionsoftheheadboatfleetandsurveyindex,especiallyafterthecorrectionofChevrontrapagecompositions,ledtheReviewPaneltorecommendthatfurthermodelingandreviewwasneededbeforeabasecasecouldbeacceptedformanagingthisfishery.TheReviewPaneldidnotaccepttheproposedbasecasemodelasbeingappropriatefordeterminingstockstatus.BackgroundThereviewworkshopofthe41stSoutheastData,Assessment,andReview(SEDAR)processwasconvenedinCharleston,SCfromMarch15to18,2016.ThepurposeoftheworkshopwastoreviewstockassessmentsforSouthAtlanticredsnapperandgraytriggerfish.ThestocksassessedthroughSEDAR41arewithinthejurisdictionoftheSouthAtlanticFisheriesManagementCouncil(SAFMC)andthestatesofFlorida,Georgia,SouthCarolina,andNorthCarolina.Redsnapperwaslastassessedin2010(SEDAR24,2010)andgraytriggerfishwasoriginallytobeassessedatSEDAR32in2013,butthediscoveryofageingerrorsdelayedtheassessmentuntilthismeeting.DescriptionoftheIndividualReviewer’sRoleintheReviewActivitiesBackgroundinformation,meetingarrangementsandothermaterialweremadeavailabletothereviewerseitherviaemailorthroughanftpsitestartingonMarch2,2016.Ireviewedthetwomainassessmentworkshopdocumentsaccessingthebackgroundinformationasnecessarytogetmoredetailonthedatausedoranalysisthatwascarriedout.OnMarch11,Iparticipatedinaone-hourconference

Page 3: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

call/webinarwithavailablereviewersandassessmentleadshostedbyJuliaByrd(SAFMC)andLuizBarbieri(ReviewPanelchair)togooverarrangements,agenda,etc.,andalsotogooveranyquestionsorclarificationsconcerningtheassessmentdocuments.ThereviewmeetingwasheldMarch15to18attheCrownePlazaCharlestonAirportConventionCenterinCharleston,SC.Thefirstdayofthemeetingwasdevotedtothepresentationofthematerialonredsnapperandgraytriggerfish.ThetwoassessmentteamsreturnedonWednesdaywithpresentationsdealingwiththeirresponsestoissuesandquestionsthatthepanelhadbroughtupduringtheoriginalpresentations.AproblemwiththedatausedtogeneratetheagecompositionsfortheChevrontrapsurveyestimateswasreportedonThursdaymorning,andbothassessmentteamsspentthedayre-runningtheirbasemodelfitsandreportingonimpactoftheagedatacorrectionontheirresults.LateonThursday,thepanelconcludedthattheagedatacorrectioninadditiontootherissuesraisedforthegraytriggerfishassessmentindicatedthatthecurrentassessmentmodelcouldnotbeusedformanagingthefisheryandtheassessmentpanelneededtoevaluatethemodelincontextofcommentsfromthereviewpanel.Fridaymorningwasspentclarifyingwhatfurthermaterialwasrequiredfromtheredsnapperteamandthetimelineforfinalizingthereviewpanelreport.IndustryrepresentativesattendedallofthesessionsandmanypresentedcommentsduringthePubliccommentsessionheldattheendofeachday.TheMonteCarloBootstrap(MCB)evaluationsofuncertaintyandprojectionsfortheredsnappernewbasecasewerenotavailabletothepanelattheendofthemeeting,butweredistributedtothepanelonMarch24.TheresultswerepresentedtoavailablemembersofthepanelandotherparticipantsoftheoriginalmeetingduringawebinaronApril8.Attheendofthiswebinar,thesubmissiondateforthepanelreportwasrescheduledtoApril15.ThischangeindateinturnledtoreschedulingofthedateforsubmissionofindividualreviewstoCIEtoApril22.Thepanelreviewchairassignedmetodeveloptextforthereviewreportsectionsontheassessmentfindingstermofreference(TOR3),aswellascontributetoTOR4and7,basedonmynotesandthosecontributedbyotherpanelists.TheotherCIEandSAFMCSSCpanelistsweregivensimilarassignments.Thechairwasresponsibleforthecompilingallofthetextintothedraftreviewreport.AllofthepanelistscontributedtoeditingthecompletedraftreportwhichwassubmittedonApril15.SummaryofFindingsforeachToR

1. Evaluatethedatausedintheassessment,includingdiscussionofthestrengthsandweaknessesofdatasourcesanddecisions,andconsiderthefollowing:

Redsnapperandgraytriggerfish

a) AredatadecisionsmadebytheDWandAWsoundandrobust?ThedocumentationinsupportofthedatadecisionsmadebytheDataWorkshop(DW)andAssessmentWorkshop(AW)weredetailedandcomprehensive.AllofthecritiquesintheDWreportforthedifferentdatasetsconsideredforinclusionintheassessmentwereinformativeanddealtwithlimitationsandsourcesofbias.TheAWreportdocumenteddatadecisionsmadeaftertheDWaswellastheresultsofdecisionsconcerningselectivity,

Page 4: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

abundanceindices,ageandlengthcompositions,etc.Alldecisionswerewell-supportedandbackgroundsupportingdocumentswerealsoavailable.b) Aredatauncertaintiesacknowledged,reported,andwithinnormalorexpectedlevels?DatauncertaintieswerediscussedindetailintheDWandforthosedatasetsrecommendedforinclusionintheassessment,measuresofdataqualitysuchasCoefficientsofVariation(CVs),samplesizeorrangesofplausibleparametervalueswereprovided.TheAWusedthesemeasurestoweightdifferentdataseriesinthemodelandtoparameterizetheMCBandsensitivityanalyses.c) Aredataappliedproperlywithintheassessmentmodel?TheapplicationofthedataintheBeaufortAssessmentModel(BAM)followscommonpracticeandwasjudgedtobesound.TheDWandAWthoroughlyevaluatedanumberofissuesdealingwithwhatyearsweretobeused,howdatawastobeweightedinthemodelandsourcesofuncertaintywerewelldocumented.d) Areinputdataseriesreliableandsufficienttosupporttheassessmentapproachand

findings?

RedsnapperTheinputdataseriesappearadequatetosupporttheassessmentresultsandfindings.WhiletheDWandAWdiddocumenttheevaluationanddecisionsforthemanydifferentkindsofdatausedinthisassessment,thefollowingissueswerenotedwhendiscussingthestrengthsandweaknessesassociatedwiththedifferentkindsofdatathatwereused.FisheryremovalsThecurrentevaluationofstockstatus,especiallyintermsoftheoverfisheddeterminationisconditionalonthereconstructionofthehistoricaltimeseriesofpopulationandcatchhistoryincludingbothlandingsanddiscards.Inthisassessment,thetimeserieswasstartedin1950toestablishaperiodofstableagestructureduringaperiodoftimewhenfishingmortalitywasexpectedtobeverylow.Thereconstructionoftheremovalseriessince1950requiredconsiderableworkandreviewbytheDWtocombineavailabledata,inferhistoricalcatchesbasedonrecentdataandtoaccountforweightconversions,speciesmisidentification,areaofcapture,etc.RecreationalcatchesrecordedinMRFSSfrom1981to2003hadtobecalibratedtobeconsistentwithcatchesinMRIPfrom2004tothepresent.Sincetheintroductionofthemoratoriumin2010,removalshaveconsistedofdiscardsandbeginningin2012limitedcatchesfromthecommercialhandlineandrecreationalfleetsduringthemini-seasons.Thegeneralrecreationalfleethasaccountedforthehighestproportionofremovals(landingsplusdiscards,53to71%)overthemini-seasonswithbetween41to50%ofthoseremovalsbeingassignedtodiscards.TheMRIPprogramwasdesignedtosampletherecreationalfisheryoverthewholeyearanddatafromStatesurveyshavebeenusedduringthebrief(3to8days)mini-seasonswhereMRIPdatawerenot

Page 5: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

availableorconsideredtobelessreliable.Thereviewpanelnotedthiscollaborationandencourageditscontinuation.Discardsareself-reportedinlogbooksandrecordedbysomeat-seaobservercoverageforcommercialhandlineandheadboatfleets,andself-reportedbyanglersduringinterceptinterviewsforthegeneralrecreationalfleet.Discardestimatesarelessreliablethanlandingsdata,butunderthecurrentmanagementregime,discardswilllikelybethemajorsourceofremovalsinthenearfuture,especiallyiftheapparentstrengthofthe2013yearclassidentifiedintheBAMBAMandpreliminary2015CVIDsurveydataisconfirmed.TheReviewPanelsupportsanyinitiativestoimprovethequalityofdiscardsandlandingsestimatestoimprovetheprecisionandaccuracyofestimatesofremovals.LengthandagecompositionsTheReviewPanelagreedwiththerecommendationbytheAWtoonlyfittolengthcompositionsintheBAMBAMwhenagecompositionswerenotavailable.Lengthcompositionsonlywereavailableforthecommercialhandlinefrom1984to1992,commercialdiscardsin2009and2013,andheadboatdiscardsfrom2005to2014.Agecompositionswerefitinthemodelforhandlinelandingsin1990,1992,1994,and1996to2014,headboatlandingsfrom1978to2014,generalrecreationalfrom2001to2014,andCVIDfor2010to2014.RelativeabundanceindicesTherationaleforincludingabundanceindicesfromthefishery-independentcombinedChevrontrap/videosurvey(CVID,2010–2014)anddatafromthreefishery-dependentCPUEseriesintheBAMstockassessmentmodelwereacceptedbythereviewpanel.CombiningthetrapandvideodataintooneCVIDindexmadesensegiventhatthecamerasweremountedonthetraps.Limitingthehandlineandheadboatcatchrateseriesto2009wasalsoaccepted,giventhatfishermenandanglers’behaviorwouldbeexpectedtochangeduringthemoratorium.Thisleavestheheadboatdiscardrateastheonlyabundanceseriesthatspansboththeopenandclosedfisheryperiods.However,itwouldseemlikelythatthediscardrateindexwouldalsobeaffectedbychangingbehaviorduringthemoratoriumandreduceitseffectivenessasanabundanceindex.SensitivityrunswereconductedtoevaluatethisindexbytheAWandpresentedtothepanel(seeTOR3below).Thefisherydependent(commercialhandlinecatchrates,recreationalheadboatcatchratesanddiscardcatchrates)andindependent(CVIDsurvey)abundanceindicesweremodelledusingeitherzero-augmented(fisherydependent)orzero-inflated(fisheryindependent)GeneralizedLinearModels(GLM).CVsweredevelopedusingbootstrapmethodsforallmodelsexceptfortheheadboatdiscardindexwhereajackknifeapproachwasused.TheestimatedCVsforthehandlineandheadboatcatchrateswerealllessthan0.1andweresetto0.2fortheBAMbasemodel.TheincreaseinCVto0.2reflectedargumentsmadeinFrancisetal.(2003,SEDAR41-RD72)thatCVsestimatedforeitherfisherydependentorindependentindicesunderestimatethetruevariabilityforabundance,becausetheydonotincludeannualvariabilityincatchability.Francisetal.(2003)recommendeddefaultCVsbetween0.15and0.2forfisherydependentdatasets,and0.2fortrawlsurveyannualvariationbasedonananalysisofdatasetsfromassessmentsofNewZealandstocks.TheCVsforthediscardandtheCVIDindicesrangedfrom0.17to0.37and0.17to0.26,respectivelyandwereusedasisinthemodel.ThisdoesnotmeanthatestimatedCVscloser

Page 6: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

to0.2actuallydoincludevariabilityincatchabilityinsteadkeepingalloftheCVsintherangeof0.2moreorlessgivestheindicesequalfirststageweightsinthemodel.However,assumingaconstantCVoverthewholetimeseriesforthehandlineandheadboatcatchratesdoesnotreflectvariationinsamplesizeorotherfactorsbyyear.EvaluationofthevalidityoftheoriginalCVestimatesrequiresinformationonhowthestandardizedserieswerecalculated,andhowthebootstraporjackknifeprocedurewasimplemented.Whilethedescriptionsofthemodelingapproachusedwereadequatelydetailed,therewasnoinformationonhowthestandardizedtimeseriesusedinthestockassessmentwereactuallycalculated.InformationprovidedbyJ.Ballenger(SCDNR)afterthemeetingreferredtoRsoftwarethatwasdevelopedbyE.J.Dick(NMFS,SantaCruz),andmodifiedbyE.Williams(NMFS,Beaufort)andP.Conn(NMFS,Seattle),thatcalculatedtheannualindexestimatesforthezero-augmentedmodelsusingamarginalmeansapproach.Asimilarmarginalmeansapproachwasusedforthezero-inflatedmodelusingtheRfunctionexpand.grid.TherewerenodetailsonthestructureofthebootstrapestimatesforthefisherydependentindicesintheDWreport.J.BallengerreportedthatobservationswerebootstrappedfortheCVIDindexanditislikelythatthesamewasdoneforthefisherydependentindices.Themarginalmeanapproachtostandardizationisconditionalonhavingafixedsetofcovariatesorfactorlevelstocalculatetheyeareffectsfortheannualindex.Bootstrappingobservationsresultsinarandomsamplingofcovariateorfactorlevelsandgiventhatonaverageonly2/3ofthesamplesizeineachbootstrapsamplewillbeuniquerecordsorsets,rangesofcovariateswillvaryandfactorlevelsmaybemissingoverthesesamples.Modelscomputedforeachbootstrapsamplemaynotbestructuredthesameiffactorlevelsaremissing.Inaddition,changesintherangeofthecovariatesinthebootstrapsamplesmaynotsupporttheoriginalfittedmodel,especiallyforcoefficientsofhighdegreepolynomials.Finally,thebootstrapestimatesofvariancecouldalsoreflectvariabilityinthechangingbaseforthemarginalmeansapproach.Theseproblemsmaybelessofanissueforthejackknifeifitwasstructuredasasimple“leave-one-out”approach,exceptintheextremesituationswheretherewasonlyoneobservationforafactorlevel.Asanalternative,bootstrappingoftheresidualsfromtheoriginalmodelfittothedatamaymoreappropriatelyestimatethevarianceofthestandardizedsurveyindex.Inthiscasetheresiduals(intheappropriatescale)arerandomlycombinedwiththepredictedvaluesfromtheoriginalmodelfittogivenewobservationsthatarethenusedtofittheGLMmodelforeachbootstrapreplication.Therangeofthecovariatesandlevelsforthefactorswillstaythesameoverallofthebootstrapreplications,andthevariancesoftheannualindiceswillbeafunctionofthevariabilityoftheresidualsfromthefittedmodelconditionalonthestandardizationapproach.Iamnotawareofanypublishedapplicationsofthiskindofmodel-basedbootstrappingforthetwo-stagetypeofGLMsusedhereandtheremaybesomeissuesthatneedtobeworkedouttoobtainvalidvarianceestimates.

Page 7: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

GrayTriggerfish

FisheryremovalsPriorto1980s,GrayTriggerfishwerenotheavilyexploitedastheywerenotconsideredadesirablespecies.Thefirstyearfortheassessmentwassettobe1988tocoincidewithwheninterestincatchingGrayTriggerfishdevelopedandwhendataondiscards,lengthandagecompositionbecameavailable.Thesamekindsofdatasourcesthatwereusedforredsnapperwereusedheretoreconstructthelandingsanddiscardhistoryforgraytriggerfish.Assuch,allofthesamecaveats,includingthoseconcerningthereliabilityofthediscarddataequallyapplyaswell.LengthandagecompositionsRecently,ageingraytriggerfishhasbeensuccessfullydeterminedusingincrementsindorsalspines,becauseofthedifficultyinobtainingincrementdatafromotherhardstructuresincludingotoliths.ResultsfromfittingvonBertalanffygrowthcurvestothelengthandagedataindicatedthattherewasaverybroaddistributionoflengthatagerelativetotheannualincreaseinlengthbyage.ThisinturncanmakeitdifficulttoestimateannualagecompositionsandtrackcohortsbyBAMthroughfitstosamplelengthcompositions.TheAWhadrecommendedthatbothlengthandagecompositionsforheadboatsandtheCVIDbeincludedinthemodel,butthisraisedconcernsbytheReviewPanelthatthesedatawereinsensebeingdouble-countedinthemodel,andthereforereceivingmoreweightinthemodelthantheseparatelengthandagecompositionsavailablefortheotherdataseries(e.g.,landings,discards).TheReviewPanelrequestedasensitivityrunofBAMomittinglengthcompositionswhereagecompositionswereavailable.Removalofthelengthcompositiondataresultedinpoorerfitstotheassociatedagecompositionssuggestingpossiblythatsamplingforagemayhavebeeninadequateforthosecases,especiallygiventhebroaddistributionoflengthatagenotedabove.RelativeabundanceindicesInitially,threefisherydependentabundanceindices,aheadboatindex(1995–2009),ageneralrecreationalindex(1993–2009),andacommercialhandlineindex(1993–2009)alongwiththeCVIDindexfortheperiod1990to2014,wereincludedintheBAMBAM.TheCVIDindexwasbasedonChevrontrapcatchesfortheperiodupto2010afterwhichthevideocameraindexwascombinedwiththetrapindex.TheAWrecommendeddroppingthethreefisherydependentindicesbecauseofconflictsbetweenthecommercialindexandthetworecreationalindices,andtheconflictbetweenallthreeandtheCVIDindex.TheversionpresentedtotheReviewPanelonlyincludedtheCVIDindex.Similartothecaseforredsnapper,thegraytriggerfishCVIDsurveydatawasmodeledusingaZeroinflatedNegativeBinomialmodel,andCVswerecalculatedbasedonbootstrappingthesurveyobservations,refittingthemodelandcalculatingastandardizedindexusingtheRfunctionexpand.grid.TheissuesraisedabovewiththisapproachforestimatingbootstrapCVsforredsnapperapplyequallytograytriggerfish.

Page 8: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

ThepossibilityofgearsaturationeffectsfortheChevrontrapswasalsoraisedbytheresultsofBacheleretal.(2013;SEDAR41-RD79)whoshowthatcatchratesofGrayTriggerfishreachedanasymptoteonceamoderatenumber(between50and100individuals)ofallspecieswerecaughtinthetrap.

2. Evaluateanddiscussthestrengthsandweaknessesofthemethodsusedtoassessthestock,

takingintoaccounttheavailabledata,andconsideringthefollowing:Redsnapper

a) Aremethodsscientificallysoundandrobust?TheBAMBAMincorporateddatafromawiderangeofsourcestoformanintegratedviewofpopulationdynamicsfortheSouthAtlanticredsnapperstock.Anumberofassumptionshadtobemadeconcerningincompletecoveragewithrespecttotime,space,andfisheries.Thisassessmentevaluatedtherobustnessofthestockstatusdeterminationstothedatadecisions,assumptions,andalternativemodelconfigurationsthroughextensivesensitivityanalysesandMonte-CarloBootstrapanalyses.Themethodsusedforthisassessmentwerejudgedtobescientificallysoundandrobust.b) Areassessmentmodelsconfiguredproperlyandusedconsistentwithstandard

practices?TheBAMistheapprovedassessmentmethodformanystocksintheSouthAtlanticSnapper-Groupercomplex,andallowsforincorporatingfisherydependentandindependentindices,aswellaslifehistoryinformationintothestockassessment.Thismodelisalsowellsuitedfordealingwithremovalsfromavarietyofsources,suchascommercialfisheries,recreationalfisheries,anddiscards.Themodelforthisstockassessmentwashighlycomplexwithmanyassumptionsanddatasources,anditsapplicationwasconsistentwithstandardpractices.Theconfigurationwasthoroughlyevaluatedwithrespecttothedeterminationofstockstatus.InadditiontotheBAM,twoproductionmodelsandacatchcurveanalysiswereappliedtothedata.Allofthesemodelswereappliedtothedataaccordingtostandardpractices.c) Arethemethodsappropriatefortheavailabledata?ThetwoproductionmodelsignoredthelengthandagecompositiondatathatwereusedintheBAMBAM.Whilethemodelingofthelengthandagecompositiondatacanbecomplexduetotheneedtoassumedifferentformsofselectivityforindicesandremovals,thereviewpanelagreedwiththeconclusionsoftheAWthatthesedataareanimportantsourceofinformationforunderstandingthestockpopulationdynamics.Thecatchcurvemethodassumesthatthepopulationagestructurewasstableduetoconstantrecruitmentandmortality,neitherofwhichconditionsholdforredsnapper.Inaddition,selectivitiesforthecatchcurveanalysiswereallassumedtobeflat-toppedunlikethemostofthoseusedintheBAM.

Page 9: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

TheBAMbasemodelconfigurationwasagreedtobethemostappropriatefordeterminingstockstatusgiventheinformationavailable.ThebaseconfigurationpresentedattheAWhadtobeupdatedduringthereviewpanelmeetingtocorrecttheagecompositionsfortheChevrontrapsurveys.Thisupdatedversiondifferedfromtheoriginalbasecasewithrespecttoprovidingslightlymoreoptimisticstatusdeterminationmeasures,althoughstockstatusremainedthesame.RemovaloftheCVIDindexresultedinmoreoptimisticstockstatusmeasuresalthoughstockstatusdeterminationsremainedthesameasthebasecase(S4).Aflat-toppedselectivityfunctionforages4+wasassumedfortheCVIDcatches,implyingthattherelativeabundanceofolderfishwasrepresentedbythissurvey.PubliccommentsubmittedbeforeorpresentedduringthepanelreviewsuggestedthatthelargerolderredsnapperwouldnotbeasvulnerabletotheChevrontrapsasyoungerfish,duetobehaviororhabitatspecificdifferencesincludingdepth.However,studiesonredsnapperavailabletothereviewpaneldidnotfindevidenceforlength/depthrelationships(SEDAR41-RD34)orthelackoflargerfishinchevrontraps(SEDAR31-RD36,SEDAR31-DW28).Thepanelnotedthatsomeofthelargestandoldestfishinthelength/agesampleswerefromtheCVIDsurvey.Thepanelconcludedthattherewasinsufficientevidencetorejecttheflat-toppedselectivitycurvefortheCVIDsurvey.Priortothemoratoriumtheselectivityforthegeneralrecreationallandingswereassumedtobedomedshapesimilartothelandingsfromtheheadboatfleet.Duringthemoratorium,thedomedshapedcurvewascontinuedtobeusedfortheheadboatfleet,butaflat-toppedselectivitywasassumedforthegeneralrecreationallandingstoreflectthelargersizeandolderagecompositionsseeninthesamplesduringthemini-seasons.Theassessmentteamconductedasensitivitystudyatthepanel’srequest,wherethedomedshapeselectivityfortheheadboatfleetwasusedforthegeneralrecreationalfleet.Thismodificationdidnotresultinanychangeofstockstatusdeterminationfromthebasecase,althoughtherewassomedegradationinthefitstotheagecompositiondata.Generalrecreationaldiscardswereestimatedfromanglerinterviewdataandnosizecompositioninformationwasavailable.Thesizeandagecompositionofthesediscardswasassumedtobethesameastheheadboatdiscards,eventhoughthegeneralrecreationalfisherywasassumedtobetargetinglarger/olderfishthantheheadboatsduringthemini-seasons,asrepresentedbytheflat-toppedselectivitycurveusedforthisfishery.Estimatedgeneralrecreationaldiscardsaccountedfor56%oftheremovalsbynumbersin2014,andwillcontinuetobeamajorsourceofinformationasthemoratoriumcontinues.Estimatesofthesediscardsarealsothemostuncertaincomponentoftheremovalsdata.TheassessmentteamwasunabletofittheBAMBAMassumingerrorinlandings,andinthebasemodelallremovaldatawasfitassumingaCVof0.05.Sensitivityrunsassuminghigherorlowertotaldiscardsdidnotresultininanyappreciablechangestostockstatus(S19,S20).

Page 10: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

GrayTriggerfish

a) Aremethodsscientificallysoundandrobust?TheBAMwasusedfortheSouthAtlanticgraytriggerfishstockassessmentwithdatasourcessimilartothoseusedfortheredsnapperassessment.Thismodelandtheassociatedsensitivityanalysesareconsideredscientificallysoundandrobust.b) Areassessmentmodelsconfiguredproperlyandusedconsistentwithstandard

practices?ThebasemodelonlyincludedtheCVIDsurveyasanindexofabundanceandusedsixtimesup-weightingtoimprovethefitofthesurveyinthemodel.Thebasemodelestimatedverylowlevelsofabundanceintheinitialyearsof1988and1989atatimewhenexploitationwasexpectedtobequitelow.Sensitivityrunsdeterminedthatacombinationoffittingthemodelcloselytothelow1990CVIDpointbyusingsixtimesup-weightingandtheassumedselectivityfortheCVIDresulted in lowabundanceandrecruitment inthefirsttwoyears. FittingtheCVIDwithoutup-weightingessentiallyresultedinnoappreciabletrendoverthetimeseriesalthoughthefitwascontainedwithintheconfidenceintervalsforallthesurveypoints.ThebaseconfigurationoftheBAMfromtheAssessmentWorkshopwasrevisedwithcorrectedagecompositionsoftheCVIDsurveyduringtheReviewWorkshop.Althoughthedeterminationofstockstatuswasnotinfluencedbythecorrection,resultsfromthecorrectedbasemodelweresomewhatdifferent.TheReviewPanelrequestedandreviewedtworevisedmodelstoresolveapparentdifficultiesinfittingtothesurveyandassociatedestimatesofabundanceinthefirstyearoftheassessmentseries.AnalternativeBAMconfigurationwithastartingyearof1974estimatedaseriesoflowrecruitmentstoexplainthelowsurveyindexin1990.Theextremelylowestimatesofabundanceinthefirstyearoftheassessmentmayresultfromanunusualsurveyobservationinthefirstyearofthesurvey,ratherthanoverfittingtheentiresurveyseries.Anexploratoryanalysisthatremovedthe1990surveyobservationproducedestimatesofabundanceinthefirstyearoftheassessmentthatwassimilartotherestofthetimeseries.TheChevrontrapsurveybeganin1988,buttheprotocolwasbeingrefinedin1988and1990.Therehavebeennochangestothedesignofthesurveysince1990.However,HurricaneHugowas7-8monthspriortothe1990survey.AstudyofJamaicanreeffishfoundchangesinabundance,behavior,anddistributionayearafterHurricaneAllen(Kaufman1983).TheReviewPanelwasalsoconcernedthattheneedtoup-weightthesurveymayresultfromusingcompositionsamplestwice(asagecompositionsandlengthcompositions).Anexploratoryanalysisthatremovedlengthcompositionsforfleetswithagecompositions,withnoup-weightingofthesurvey,stilldidnotfitthesurveywell.c) Arethemethodsappropriatefortheavailabledata?Basedonthemagnitudeofchangestothedata,resultsandmodeldiagnosticsfromtheAssessmentWorkshopbasemodel,aswellasconcernsaboutoverfittingthesurvey,the

Page 11: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

ReviewPanelrecommendsthatfurthermodelingisneededtomodelthecorrecteddataappropriately.

3. Evaluatetheassessmentfindingsandconsiderthefollowing:

Redsnapper

a) Areabundance,exploitation,andbiomassestimatesreliable,consistentwithinputdataandpopulationbiologicalcharacteristics,andusefultosupportstatusinferences?

TheReviewpanelacceptedthenewbasemodelwiththecorrectedagecompositionsfortheCVIDsurveyindexasthebestavailablemodeltoprovideadvicefortheSouthAtlanticredsnapperfishery.However,thereviewpaneldidhaveconcernswhicharediscussedbelow.Thereliabilityofmodelestimatesofabundance,biomass,andexploitationdependonhowwellthemonitoringindicesincludedinthemodeltrackthepopulationtrendsovertime.Inthisassessment,fisherydependentcatchrateswereusedforthepre-moratoriumperiodandwerereplacedbytheCVIDsurveyindexfor2010tothepresent.TheMRIPannualredsnapperdiscardratefromtheheadboatfleetfor2005tothepresentwastheonlyindexthatspannedthetwotimeperiods.Theconsistencyofthestockstatusdeterminationsforthiscombinationofmonitoringindiceswasevaluatedthroughaseriesofsensitivityruns.TheserunsindicatedthatthedeterminationofstockstatuswasactuallyfairlyinsensitivetochangessuchasusingthelongertimeseriesfortheCVID(S9),removingtheCVID(S4),up-weightingthefisherydependentindices(S3),droppingtheheadboatdiscardindexfor2010tothepresent(S12),droppingtheheadboatdiscardindexaltogether(S16),oronlyusingtheCVID(S23).Allindiceswerewellfitbythedata,exceptfortheheadboatdiscardrateinthemostrecentyears.Alloftheseresultssuggestthatthepopulationtrendsinthemodelresultsprobablyhaveasmuchormoretodowiththeveryclosefitofthemodeltothelandings,discarddata,andassociatedagecompositionsastheydowiththetrendsinthemonitoringdata.CVsweresetto0.05forthelandingsanddiscards,whichseemsunreasonablylowfortheMRIPestimatesofthelatterinthecaseoftherecreationalfishery,butahigherCVof0.20fordiscardswasinvestigatedinMCBstudy,andtheresultsdidnotindicateachangeinstockstatusfromthebasecase.b) Isthestockoverfished?Whatinformationhelpsyoureachthisconclusion?Theestimatedabundancefor2014wasatlevelsnotseeninthemodelsincethemid-1960s;however,the2014populationmainlyconsistedofages1–4years(96%bynumber).Despitethesehighabundancelevels,thestockisoverfishedbybiomassasSSB2014/SSBF30%=0.16duetothelackofolderfishinthepopulation.

Page 12: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

c) Isthestockundergoingoverfishing?Whatinformationhelpsyoureachthisconclusion?Thereviewpanelcouldnotfindanyevidenceagainsttheoverfishingdeterminationintheassessment,butdidhaveanumberconcernsthatarediscussedbelow.Thepanelalsoreflectedonissueswithusingapicalfishingmortalitytomonitortheimpactofthefisheryonthestockovertime(seeitemebelow).Thecurrentdeterminationthatoverfishingisoccurringwhilethefisheryisundermoratoriumgeneratedmuchdiscussionduringthepanelreview.Themoratoriumhasnotresultedinacompleteclosureastherehavebeenlandingsfrommini-seasonsin2012–2014andremovalsduetodiscardsduringtheseseasonsandthroughoutallofmoratoriumyearsforrecreationalfisheries.Theestimatedfishingmortalitiesreflectthelargedecreaseexpectedwiththeintroductionofthemoratoriumin2010.However,since2010fishingmortalitieshaveincreasedfromthislowpointmainlyduetodiscardmortalitiesandcatchesfromthegeneralrecreationalfishery.AcomparisonofFatages1,2,3,4,and5+indicatesthatwhilefishingmortalitywasgreatlyreducedonallagegroupsin2010,fishingmortalitygreatlyincreasedontheolderage4and5+groupby2014whiletheFsfortheyoungergroupageslevelcontinuedtobelower.Themoratoriumappearstohavebeenabenefittotheyoungerfishbutnotsoforfish4yearsandolder,asinterpretedbytheselectivitycurvesusedforthemoratoriumyears.ThedeterminationofoverfishingintheassessmentreliesonthegeometricmeanofapicalFsummedacrossfleetseachyearover2012–2014period.Currently,F2012-2104/F30%=2.52.TheretrospectiveanalysisindicatedthattherewasasubstantialincreaseinapicalFfor2010to2013withtheadditionofthe2014data.TheindividualresultsforthedifferentrunswerenotpresentedanditisnotknownwhethertheagesatwhichtheapicalFsoccurredchangedwiththeadditionof2014data.Giventheretrospectivepattern,itislikelythathadtheredsnapperassessmentbeendoneayearago,evidenceforoverfishingwouldhavebeenmuchweakerthanpresentedhere.Themainchangebetween2013and2014wasthatlandingsanddiscardsbythegeneralrecreationalfleetweremuchhigherin2014comparedto2013byabout3.7timesfornumberslandedand3.4timesfordiscardnumbers.Estimatedincreaseinweightlandedbythegeneralrecreationalfleetwas3.4timesthe2013landings.Fishingmortalitiesassociatedwithgeneralrecreationallandingsanddiscardsmakeup78%ofthe2014apicalFestimate.Themini-seasonin2014waslongerthaninpreviousyears,andrecruitsin2014werethehighestinthetimeseries.Thepanelaskedforasensitivityruntoinvestigatetheimpactoftheflattoppedselectivitycurveassumedforthegeneralrecreationalfisherybysubstitutingthedomedcurveusedforheadboatsfor2010–2014.Thedomedselectivitydidnotresultinanysubstantialchangeinstockstatusfromthebasecase.Thefishingmortalities-at-agewerenotpresentedbygear,soitwasnotpossibletoseewhichagecorrespondedtoapicalFforthegeneralrecreationallandingsordiscardsforeitherselectivitycurve.d) Isthereaninformativestockrecruitmentrelationship?Isthestockrecruitmentcurve

reliableandusefulforevaluationofproductivityandfuturestockconditions?

Page 13: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Thestockrecruitmentcurvewasnotinformativeandinferencewasbasedonsettingsteepnessto0.99andassumingaveragerecruitment.Meanannualrecruitmentwasassumedandlognormaldeviationsaroundthatmeanwereestimatedinthemodel.Recruitmentistypicallynotwellestimatedinthelastyearofstockassessments,becausethereislittleinformationtoinformtheestimate.TheestimateofstrongrecruitmentinthelastyearoftheassessmentissupportedbythehighCVIDindex,aswellasthelengthcompositionoftheheadboatfleet.ReviewWorkshopparticipantsreportedcontinuedsignalsofstrongrecruitmentin2015fisheryandsurveydata.TheReviewPanelrecognizesthatprojectionsarelargelydependentontheestimateofrecentrecruitment,buttheestimatesofabundanceatagefromthebasemodelisthemostreliablebasisforstockstatusdeterminationandprojection.e) Arethequantitativeestimatesofthestatusdeterminationcriteriaforthisstock

reliable?Ifnot,arethereotherindicatorsthatmaybeusedtoinformmanagersaboutstocktrendsandconditions?

AlternativeMetricsofFishingMortality

EvaluatingtrendsinFovertimerequiresametricthatiscomparableamongyearsandreflectsexploitationacrossarangeofages.ApicalF(maximumFatage,Figure1)isbasedonadifferentrangeofagesamongyears,becauseofchangingfleetcontributionsandchangesinfleetselectivities.ApicalFalsodoesnotreflectFforpartiallyselectedages.

Figure1.Maximumfishingmortality(F)atageforSouthAtlanticredsnapper

Page 14: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

DecidingonamoreappropriatemetricofFforRedSnapperischallengingbecauseofthecomplexityofpatternsinestimatedFatage(Figure2):

− Age-1Fhasonepeakin2004.Fwasnegligibleuntilthemid-1990s,peakedat0.4in2004,thendecreasedtoaround0.1since2010.

− Age-2Fhadonepeakat1.0in1985.Fdecreasedtoaround0.1inthelate1990s,increasedto0.2-0.3from1999to2010,thendecreasedtoaround0.1since2010.

− Age-3Falsohadamajorpeakat1.6intheearly1980s,decreasedto0.3-0.5intheearly1990s,increasedtoaminorpeakof0.8in2008anddecreasedto0.2-0.3since2010.

− Age-4Fhadthreepeaksat>1.0intheearly1980s,1.5in1997and1.4in2008,thenincreasingfrom0.2in2010to0.5in2014.

− Ages5andolderhavesimilarpatternsinF(threepeaksintheearly1980s,1997and2008-2009,thenincreasingfrom2010to2014).FormostofthetimeseriesFdecreaseswithage,butsince2010,Fatages5+issimilar,increasingfromapproximately0.2in2010to0.5in2014.

Figure2.Fishingmortality(F)atageforSouthAtlanticredsnapper.

Page 15: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

AlternativemetricsofFwillreflectthesepatternsdifferently.SimpleaverageFatagecanreflecttrendsforsimilarages(e.g.,ages2–3,ages4+),andshowdifferentrecenttrends.Duringthemoratorium,Fremainedlowforages1–3,butmorethantripledforages4+(Figure3).

Figure3.Averagefishingmortality(F)foragegroups1-3and4+forSouthAtlanticredsnapper.

AverageFcanbeweightedbyabundanceatageorbiomassatagetomeasuretheaverageFexertedontheentirestock(Figure4).Withyoungagestypicallyhavinggreaterabundance,abundanceweightedaverageFreflectspatternsofFatyoungages.Biomasspeaksatdifferentagesovertheassessmenttimeseries(age-20in1950,age-2in2014),sobiomassweightedaverageFreflectsavaryingagerange.

AverageFcanalsobeweightedbyexploitableabundance(theproductofabundanceatageandselectivityatage)orexploitablebiomass(theproductofbiomassatageandselectivityatage)tomeasuretheaverageFexertedontheexploitablestock(Figure5).ThetwoexploitablestockaverageF’saresimilar,buttheexploitablebiomassweightedFreflectsolderages(e.g.,morethandoublesduringthemoratorium)andtheexploitableabundanceweightedFreflectsyoungerages(e.g.,remainslowduringthemoratorium).

Page 16: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Figure4.Averagefishingmortality(F)atageweightedbyestimatednumbers(Nweighted)orestimatedbiomass(Bweighted)forSouthAtlanticredsnapper.

Figure5.Averagefishingmortality(F)atageweightedbyexploitablenumbers(expNweighted)orexploitablebiomass(expBweighted)forSouthAtlanticredsnapper.

Theoverfishinglimit(F30%SPR)canbeexpressedinthesamecurrencyasthemeasureofFfromthestockassessment.F30%iscurrentlyexpressedasApicalF,assumingtheaverageselectivityforthelastthreeyearsofthestockassessment,whichpeaksatage-5(e.g.,F30%expressedasage-5Fis0.15).AllformsofF30%SPRexpressedasanaverageFareless

Page 17: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

thanage-5F,becausetheyincludesomepartiallyrecruitedages.AccordingtoallofthealternativeFmetricsconsidered,overfishingisoccurring,buttovaryingdegrees.

Metric2012–2014Geo.Mean F30% F/F30%

F(age-5) 0.43 0.15 2.8F(ages1–3) 0.15 0.06 2.7F(age-4+) 0.35 0.12 2.8F(Nwtd) 0.14 0.08 1.8F(Bwtd) 0.24 0.11 2.1F(expNwtd) 0.20 0.10 2.0F(expBwtd) 0.31 0.12 2.5

GrayTriggerfish

a) Areabundance,exploitation,andbiomassestimatesreliable,consistentwithinputdataandpopulationbiologicalcharacteristics,andusefultosupportstatusinferences?

Anissuewasidentifiedwithinclusionofbothageandlengthcompositionsinthefittingprocess,whichwasexploredaftertheCVIDagecompositionshadbeencorrectedforerrorsdiscoveredlateintheweek.AdditionalrunstoestablishabasecasewiththecorrectedagecompositionsandremovinglengthcompositionswhenagecompositionsresultedinpoorfitstotheheadboatandCVIDagecompositions.Atthispoint,thereviewpanelconcludedthatgiventheseproblemsandthoseidentifiedforfittingtheCVIDindex,therewasn’tenoughtimeleftinthemeetingtoestablishabasecaseforgraytriggerfish.Theassessmentpanelneededtoreviewthefindingstodateandworkwiththeassessmentteamtodevelopanewbasecase.

b) Isthestockoverfished?Whatinformationhelpsyoutoreachthisconclusion?

WithoutanacceptedbasecasefromtheBAM,thereviewpanelwasunabletodetermineifthestockwasoverfishedwithrespecttothestandardreferencepoints.Abundancein2014fromtheCVIDsurveywasat82%ofthemaximumabundanceinthetimeseries.Basedontheinformationavailabletothereviewpaneltherewasnoevidencethatthestockisoverfishedatthistime.

c) Isthestockundergoingoverfishing?Whatinformationhelpsyoureachthisconclusion?

WithoutanacceptedbasecasefromtheBAM,thereviewpanelwasunabletodetermineifoverfishingwasoccurringwithrespecttothestandardreferencepoints.In2014totalremovalshavedeclinedby38%fromthelandingsin2009,whichrepresented

Page 18: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

thehighestlandingsinthe1988to2014timeseries.TheCVIDsurveyindexindicatesthatabundancehasbeenincreasingsince2010.Basedontheinformationpresentedtothereviewpanel,therewasnoevidencethatcurrentlevelsofremovalshaveresultedinoverfishing.

d) Isthereaninformativestockrecruitmentrelationship?Isthestockrecruitmentcurvereliableandusefulforevaluationofproductivityandfuturestockconditions?

Thestockrecruitmentcurvewasnotinformativeastherewaslittleevidenceforlowrecruitmentatlowstocksize.Inferencewasbasedonsettingsteepnessto0.99andmeanannualrecruitmentwasassumed.Lognormaldeviationsaroundthemeanwereestimatedinthemodel.e) Arethequantitativeestimatesofthestatusdeterminationcriteriaforthisstock

reliable?Ifnot,arethereotherindicatorsthatmaybeusedtoinformmanagersaboutstocktrendsandconditions?

Withoutareliablebasecase,quantitativeestimatesofstatusdeterminationwerenotavailable.

4. Evaluatethestockprojections,includingdiscussingstrengthsandweaknesses,andconsiderthe

following:RedSnapper

a) Arethemethodsconsistentwithacceptedpracticesandavailabledata?TheprojectionmethodusedinthisassessmentwasconsistentwiththoseusedwidelyinSEDARassessmentsbasedonstatisticalmodelssuchasBAMandStockSynthesis,andwasconsistentwiththeavailabledata.ThemethodusedstochasticprojectionsthatextendedtheMonteCarlo/Bootstrap(MCB)fitsoftheassessmentmodelwithaddedstochasticityinrecruitment,andhencethepropagationofuncertaintyfromtheassessmentintotheprojectionperiodisinternallyconsistent.b) Arethemethodsappropriatefortheassessmentmodelandoutputs?TheReviewPanelconcludedthattheredsnapperstockprojectionsprovidedforSEDAR41areappropriatefortheBAMassessmentmodelandoutputs.c) Aretheresultsinformativeandrobust,andaretheyusefultosupportinferencesof

probablefutureconditions?Theprojectionsprovidetheinformationneededtodevelopmanagementadvice,showingprojectionsforF=0;F=FCURRENT(geometricmeanofthelast3years);F=F30%;F=FTARGET;F=FREBUILD(maxexploitationthatrebuildsingreatestallowedtime;2044).AnadditionalprojectionwascarriedoutwithFfromdiscardsonly.Eachprojectionshowsthe10thand90thpercentilesofthereplicateprojectionsallowinganevaluationoftheprobabilityof

Page 19: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

overfishingoccurring,orthestockbeingoverfished,foreachyearintherebuildingtimeframeupto2044.Theprojectionsarerobustintermsofpropagatingrealisticlevelsofuncertaintyfromtheacceptedbasemodelrun.TheReviewPanelrecognizesthattheperceptionofcurrentselectivityusedtoderivereferencepointsandprojectionsisconditionalonrecentfishingbehavior,andprojectionsofalternativemanagementscenariosshouldconsideralternativeselectivityassumptionsthatareconsistentwitheachscenario.Forexample,alternativesthatdonotallowrecreationallandings(e.g.,moratoriawithnomini-seasons)shouldnotassumethestatusquocompositeselectivitythatincludesaflat-toppedselectivityforgeneralrecreationallandings.d) Arekeyuncertaintiesacknowledged,discussed,andreflectedintheprojectionresults?Keyuncertaintiesintheprojectionsareacknowledged,discussed,andreflectedintheprojectionresults.TheMCBrunsincludedrangesofvaluesofnaturalmortality,discardmortalityandfecundityatageagreedtobytheassessmentworkinggroup,togetherwithbootstrapselectionofdatausingwell-justifiederrordistributionsandadditionalrandomprocesserrorinrecruitmentconditionalonthefittedstockrecruitpatternwithsteepnessfixedat0.99.Initialagestructureatthestartof2015wascomputedbytheassessmentmodel,andfishingratesfortheprojectionstartedin2017followinganinitializationperiodin2015–2016,wherefishingmortalityrateswerederivedtorepresentthemanagementmeasuresinplace.Inaddition,thestockassessmentreportwasquiteclearonthefactthatitisunrealistictoassumethatthecurrentfishingpatternsincludingeffortbyfleet,discardtrends,andselectivitypatternswillcontinueasthestockrecovers.Managementactionsinresponsetostrongorweakyearclasseswillaffectthesepatternsandinturn,thecurrentprojectionsbasedonthem.

GrayTriggerfish

SincethebaseBAMforgraytriggerfishwasnotacceptedbytheReviewPanelprojections,resultswereonlyreviewedintermsofthemethodologicalapproachesused—i.e.,projectionsresultswerenotconsideredasprovidingplausiblescenariosand,therefore,werenotinvestigatedindetail.TheprojectionmethodusedisconsistentwiththoseusedwidelyinSEDARassessmentsbasedonstatisticalmodelssuchasBAMandStockSynthesis,andisconsistentwiththeavailabledata.Further,themethoddescribedforthestochasticprojectionsthatextendedtheMonteCarlo/Bootstrap(MCB)fitsoftheassessmentmodelwithaddedstochasticityinrecruitment,andhencethepropagationofuncertaintyfromtheassessmentintotheprojectionperiodisinternallyconsistent.

Page 20: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

5. Considerhowuncertaintiesintheassessment,andtheirpotentialconsequences,areaddressed.RedSnapper

a) Commentonthedegreetowhichmethodsusedtoevaluateuncertaintyreflectandcapturethesignificantsourcesofuncertaintyinthepopulation,datasources,andassessmentmethods.

Athoroughevaluationofconvergenceandmodelsensitivityisnecessary,butdifficulttodoforacomplexmodellikeBAMbecauseofthelargenumberofparameters.Uncertaintiesintheassessmentwerethoroughlyexploredthrough(1)amixedMonteCarloandbootstrap(MCB)analysisofquantifyrandomerrorsintheassessmentoutput;(2)sensitivityanalysisaroundthebaseBAMrun;and(3)theuseofalternativeassessmentmodels.TheMonteCarloBootstrapprocedurealsoexploredmanycombinationsofalternativedataandmodelassumptions.Inthebootstrappingofobserveddataonlandings,informationfromtheheadboatprogramwasusedtospecifyadecreasingCVbytimeblocks(i.e.CV=0.15for1981–1995,CV=0.1for1996–2007,andCV=0.05thereafter).TheseCVsreflectrandomerrors.However,landingsfromtheheadboatfisheryaremonitoredthroughmandatorylogbooks,andthusshouldinprinciplehavezerosamplingerrorsforthevesselsinthesamplingframe.TheCVsmayreasonablyreflectrandomerrorsinreporting.However,varioussourcesofsystematicerrors(bias)arenotreflectedthroughtheseCVs.Itisknownthatunder-reportingoftripsdoesoccur,thatcatchdatamaynotalwaysbe100%accurate(forexample,duetorecallbiasiflogbooksarenotfilledinimmediatelyaftereachtrip),andthatothervariationsinreportinglikelyoccur.Becausethedistributionofsuchsystematicerrorsisunknown,itisnotpossibletoquantifythemagnitudeoftheresultinguncertaintyinthelandings.BootstrappingmethodswereusedextensivelytoestimateCVsforabundanceindicesbasedonresamplingoriginalrecordsorobservations,andthenre-fittingstandardizationmodels.AsdiscussedinTOR2,thepurposeofstandardizationistoderiveanindexforafixedsetofcovariates,butresamplingobservationswillintroducevariationassociatedwithcovariatesandthestandardizationprocess,whichwillnotappropriatelycapturethevariationinthestandardizedindex.Model-basedbootstrappingshouldbeconsideredasanalternativeapproachtocapturingthevariabilityofthestandardizedindex.Theinputdataoncatchcompositionandabundanceindicesbycohortareobtainedfrommulti-stagesamplingprogramswherefishingtripstypicallyaretheprimarysamplingunits(PSUs)forfisheriesdata,andlocations/standardizedtrapcatches(90minsoaktime)arethePSUsforthechevrontrap.Substantialcorrelationscanbeexpectedinageorlengthcompositiondatasetsthatareconstructedfromsamples/sub-samplesfrommultiplecatches(whetherfromfisheries-independentsurveysorfisheries,e.g.,AanesandVølstad2015).TheBAMitselfandtheMCBisnotlikelytorealisticallyaccountforcomplexerrorstructureindataweightingwithoutpriorestimatesoftheactualvariance-covariancematricesfortheinputdata.TherobustmultinomialapproachwithnumberofPSU’sasproxyeffectivesamplesizesemployedintheuncertaintyevaluationoftheBAMcanonlypartlyreflectthecomplexerrorstructure.Ideally,onewouldrunbootstrapresamplingonthePSU’stocreatereplicatedBAMrunsthatreflectthecomplexityininputdata,butgiventhecomplexityandconfigurationofBAMthisisnotpossible.TheReviewPaneltherefore

Page 21: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

considerstheuncertaintyintheassessmenttobeappropriatelyaddressedgiventheserestrictions.Thesensitivityanalyseswereusedtoexploreawiderangeofdatadecisions,modelassumptionsandmodelconfigurationstoexaminetherobustnessofstockstatusdetermination.Themodelwasrunforaplausiblerangeofvaluesforeachfactor.TheReviewPanelnotedthatthesensitivitytestingbyalternatingonefactoratatime,althoughcommonlydone,maynotfullyreflecttheuncertaintyinmodeloutputsfromacomplexmodelsuchasBAMwithalargenumberofparameters,wheremanyarelikelytobecorrelated(e.g.,SaltelliandAnnoni2010).Globalsensitivityanalysis(Saltellietal.2008)maybeusedtountanglethecontributionofsinglefactors/parametersandinteractionsbetweenparameterstotheoverallvariabilityinmodeloutput.Andersonetal.(2011)provideanexcellentoverviewoftheliterature,andmanyexamplesofapplicationsofglobalsensitivityanalysistoIntegratedAssessmentModelsinclimateresearch,andsomeofthesearelikelytobeapplicabletotheBAM.ModeluncertaintywasmainlyexploredbyrunninganalternativeStockProductionModelIncorporatingCovariates(ASPICsoftwareVersion7.03,SEDAR41-RD74)thatreliesonlength-ageaggregatedcatchandCPUEindices,withnocompositionalcatchbeingincluded.ThedifferencebetweentheASPICandtheBAMresultscan,however,beexplainedbythefactthatASPICdoesnottakeintoaccounttheage-structureofthecatchesandthestock.TheBAMbaseconfigurationisthereforeconsideredtoprovidethemostappropriatebasisforstatusdetermination,despitemanysourcesofuncertainty.

b) Ensurethattheimplicationsofuncertaintyintechnicalconclusionsareclearlystated.TheReviewPanelagreedthattheimplicationsofuncertaintyinthetechnicalconclusionswereclearlystatedandevaluated.

6. ConsidertheresearchrecommendationsprovidedbytheDataandAssessmentworkshopsandmakeanyadditionalrecommendationsorprioritizationswarranted.

a) Clearlydenoteresearchandmonitoringthatcouldimprovethereliabilityof,and

informationprovidedby,futureassessments.

RedSnapper• Giventheconcernsexpressedbyindustryabouttheassumptionsfortheasymptotic

selectivityofredsnappertotheCVIDtraps,itwouldbeusefultohaveanotherfisheryindependentsourceofabundanceandsizecompositiondata.AlonglinesurveyisusedfortheGulfofMexicoredsnapperstock,andthissurveyisassumedtorepresenttheolderfishinthatpopulation.ThepossibilityofinitiatingalonglinesurveyfortheSouthAtlanticwasdiscussedduringthereviewpanelmeeting,anditisrecommendedthatsuchalonglinesurveyshouldbeimplementedassoonaspossible.

Page 22: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

• Theapplicationofmodel-based(re-samplingofresiduals)bootstrappingforcalculationofCVsofstandardizedabundanceindicesshouldbeinvestigatedtoavoidvaryingthebasisforstandardizationateachbootstrapreplication.

• Theheadboatdiscardrateindexistheonlyfishery-dependentindexthatwasusedduringthemoratoriumyears.WhileretainingorremovingthisindexdidnotappeartoalterthedeterminationofstockstatusfortheBAM,itwasnotclearhowthisindexreflectstheabundanceofredsnapper,particularlytheyoungerfishatatimewhenanglersaresupposedtobeavoidingthem.Furtherworkisrequiredtoevaluatethereliabilityofdiscarddataasanabundanceindexbyimprovingknowledgeofprivaterecreationalfishermanbehaviorbeforeandduringthemoratorium.

• Discards,particularlythosefromthegeneralrecreationalfleetareamajorsourceofremovalsfromthisfisherywhileundermoratorium.Currently,thesizecompositionsofthediscardsfromthegeneralrecreationalareunknownandassumedtobeequaltothoseestimatedfortheheadboats.Knowledgeofthediscardsizecompositionwillbecomeincreasinglymoreimportanttodeterminethestrengthoftheapparentlystrong2013year-class.Alternativemethodsneedtobedevelopedtoobtainsizeinformationfordiscardsfromthegeneralrecreationalfleet.Onepossibilitythatcouldbeconsideredishavinga“text-a-picture”ofthe“onethatgotaway”contest.Participantscouldtakeapictureoftheredsnappertheycaughtnexttosomethingofknownlengthwiththeirsmartphonebeforediscardingthefish,andthentextthepicturetoanaddresswithinformationondate,time,androughlocationwhentheyreturntoshore.Prizescouldbeawardedbasedonsomecriterion.Thesesampleswillnotberandomsamplesperse,buttheywillatleastprovidearangeofsizesthatmayallowforevaluatingtheassumptionthatthegeneralrecreationsizecompositionscanberepresentedbytheheadboatagecompositions.Thesepicturesmayalsogivesomeinformationontheaccuracyofspeciesidentification.

• PubliccommentduringthePanelReviewsuggestedlargerfishwerenotbeingadequatelyrepresentedbytheChevrontrapsastheydonotassociatewiththeyoungerfishandmayoccupydifferentdepthranges.Aresearchprogramshouldbeinitiatedtodeterminethespatialdistribution(horizontalandvertical)ofredsnapperbysizeusingtrackingandtelemetry.

• ThecurrentestimateofageofsexualmaturityusedintheassessmentisyoungerthanexpectedcomparedtootherLutjanids.HasthisalwaysbeenthecaseforredsnapperintheSouthAtlanticorisitreflectiveofacompensatoryresponsetoheavyexploitation?Furtherinvestigationsintopossiblehistoricaltrendsintheageatsexualmaturityshouldbeinitiated.

• Thecurrentassessmentassumedthatbatchfecunditydidnotvaryovertime.Studiesshouldbeconductedtoevaluatethevalidityofthisassumption.

Page 23: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Graytriggerfish

• Length-at-agehadawiderangewhencomparedwiththeexpectedincreaseinlengthwithage.ThismakesitdifficulttoestimateannualagecompositionsandtrackcohortsbyBAMthroughfitstosamplelengthcompositions.Thisbroadrangeoflength-at-agemaybeduetoageingissues,andtheDWhasrecommendedavalidationstudytorefineandimproveagedetermination.Inaddition,thebroadrangemayalsorepresentspatialvariabilityingrowthcharacteristics.Iflength/agesamplesareavailablebylocation(e.g.,Chevronsets)thenanon-linearmixedeffectsmodelversionofthevonBertalanffymodelcouldbeusedtoinvestigatethepossibilityofsuchpatternswiththegroupingvariablesettolocation.Randomeffectsbylocationcouldbemappedouttoinvestigateforspatialpatternsingrowth.

• BubbleplotsorsomeotherinformativedisplayshouldbeaddedasadiagnostictoevaluatehowwelltheCVIDsurveytrackscohorts.

• FurthermodelingisneededtofitthecorrectedCVIDagecompositiondataandtoresolvethefittothesurvey.Inaddition,thevalidityofthe1990surveyobservationshouldbeevaluatedtoconsiderpossibleeffectsfromHurricaneHugoorotherpossiblereasonsforitappearingtobeabnormallylow.

• Giventheevidencefortrapsaturation,theCVIDindexshouldbere-evaluatedwithrespectthecatchratewithandwithoutsets,wheretotalcatchwasgreaterthan50fish.Temporaltrendsinnumbersoftrapswith>50totalcatchshouldalsobeinvestigated.

• Theapplicationofmodel-based(re-samplingofresiduals)bootstrappingforcalculationofCVsofstandardizedabundanceindicesshouldbeinvestigatedtoavoidvaryingthebasisforstandardizationateachbootstrapreplication.

• Moreresearchtobetterunderstandthelifehistoryisneeded,includingnaturalmortality,maturity,andreproductivepotential,particularlyfortheyoungestages.

• Researchontheeffectsofenvironmentalvariationonthechangesinrecruitmentorsurvivorship.

b) ProviderecommendationsonpossiblewaystoimprovetheSEDARprocess.Theredsnapperandgraytriggerfishassessmentswerebothverycomplexwithrespecttofisherycomposition,datasources,andmodels.BothassessmentsweresupportedbymanydocumentsfromtheassociatedDataandAssessmentworkshops.ThePanelreviewforbothstocksshouldhavebeenafullweekinsteadofthreeandhalfdaystoaccommodateallofthismaterial.UndernormalcircumstancesthiscouldhaveallowedfortimetodevelopthefirstdraftofthePanelReviewgroupreportbeforetheendofthemeeting.Forourparticularmeeting,thediscoveryoferrorsintheCVIDagecompositiondatawouldhavestillbeenasdisruptive,butthefivedaytimeframemayhaveallowedformoretimetocompletemodelruns,etc.,beforetheendofthemeeting.

7. Considerwhetherthestockassessmentconstitutesthebestscientificinformationavailableusingthefollowingcriteriaasappropriate:relevance,inclusiveness,objectivity,transparency,timeliness,verification,validation,andpeerreviewoffisherymanagementinformation.

Page 24: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Theassessmentforredsnapperconstitutesthebestscientificinformationavailable,andfulfilsthefollowingcriteria:Relevance:TheSEDAR41assessmentishighlyrelevantastheredsnapperstockisdepletedandundergoingrebuildingunderamoratoriumwithlimitedlandingspermittedandmostcatchesbeingdiscarded.Thedataandassessmentprovidethebestmeansofestablishingtherateofrecoveryofthestock,determiningifmeasuresarepreventingoverfishing,andprovidinginformationthatcanbeusedtoadjustmanagementactionswhereappropriate.Inclusiveness:TheSEDAR41assessmentincludesalldatathathavebeenqualityassuredandprovedadequateforuseintheassessment.ThisincludesdatafromState,aswellasFederal,samplingschemeswhereneeded,forexampletoestimatediscardsduringthemini-seasonwhereMRIPsamplingistoolimitedforsuchashortseasonlength.Objectivity:TheSEDAR41BAMBAMisahighlyobjectiveprocedurebasedonwell-testedassessmentmodelingprinciples,andusingdatasetsandassumptionsthathavebeenrigorouslydocumentedandreviewedthroughtheSEDARdata,assessmentandpeer-reviewprocess.Wherefullyobjectivedecisionsaredifficulttomake,suchassomedecisionsonscenariosforhistoriccatcheswhereevidenceislacking,theuncertaintiesaroundthedecisionsmadehavebeenexploredandincludedinsensitivityanalysesandtheMonteCarloBootstrapevaluationofassessmentuncertainty.Transparency:Alloutputsofthedata,assessmentandreviewworkshopsinSEDAR41arefullydocumentedandpubliclyavailable.Thediscussionsatthereviewworkshoparealsorecordedforrecord.Alldatasetsarethoroughlyexploredandthequalityofdataonwhichtheassessmentisbasedisdocumentedandtransparent,asarealldecisionsrelatedtothechoiceofassessmentmodel,howitisimplemented,andtheresultsofthebaserunandsensitivityanduncertaintyanalyses.Timeliness:TheSEDARprocessingeneralisarrangedtoprovidetimelyfisherymanagementadvicewhereitisneeded,andtoensurethatassessmentsarebenchmarkedandreviewedatappropriateintervals.Verification:TheSEDAR41assessmentprocessanddeliverablescomplywithlegalrequirementsundertheMagnusonStevensAct(2007)fordevelopingandmonitoringoffisherymanagementplansandprovidinginformationonstockstatus.Validation:TheSEDAR41processisdesignedtomeettheneedsoffisherymanagersforpeer-reviewedstockassessmentsandassociatedadviceonstockstatusandfuturecatches,andtheprocessisopenandfullytransparenttothefisherymanagersandtostakeholdersfromcommercialandrecreationalfisheries,conservationgroupsorotherswithastakeintheoutcomesandwhohaveopportunitytogivetheirviewsonrecord.Peerreview:TheSEDAR41processincludesfullpeer-reviewbyexpertsappointedbytheCenterforIndependentExperts(CIE)andbyreviewersfromtheSAFMCSSC.ThereviewpanelreportandtheindependentCIEreviewsarepubliclyavailable.

Page 25: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

TheReviewPanelconcludedthat,asconfigured,theSEDAR41graytriggerfishstockassessmentmodelcouldnotbeconsideredthebestscientificinformationavailable.

8. CompareandcontrastassessmentuncertaintiesbetweentheGulfofMexicoandSouthAtlanticstocks.RedsnapperBoththeSouthAtlanticandGulfofMexicoredsnapperstockassessmentshavemultipleuncertainties.Thetablebelowsummarizesthesignificantsourcesofassessmentuncertaintyinthepopulation,datasources,andassessmentmethodsforbothstocks.

SourcesofUncertainty

SouthAtlantic(SEDAR41) GulfofMexico(SEDAR31)

Population

• Juvenilelifehistory,includingthelocationofjuvenilesbeforetheyrecruittothefishery

• Spatialdistribution(horizontalandvertical)oflargeadultRedSnapper

• Variabilityinbatchfecundityandspawningfrequencywithsizeandage

• Effectsofenvironmentalvariationonchangesinrecruitment

• Density-dependentchangesingrowth,reproduction,andnaturalmortality

• PopulationstructureandconnectivitybetweeneasternandwesternGulf(forbothadultsandjuveniles)

• Theuseandeffectofartificialreefstructuresonredsnapperpopulationabundance,ageandlengthcomposition,andspatialdistributioneffectsofenvironmentalvariationonchangesinrecruitment

• Density-dependentchangesingrowth,reproduction,andnaturalmortality

DataSources

• Limitedfisheryindependentindicesofabundance

• Nofisheryindependentindexofabundanceforearlyjuveniles

• Changesinselectivity,catch,anddiscarddataduetochangesinfisherbehaviorwithinandoutsidethemini-season

• Limitedfisheryindependentindexofabundanceforearlyjuveniles

• Limitedinformationonthemagnitude,size,andagecompositionofdiscards

• Poorly-informedselectivityfunctionsformostfleets

Page 26: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

ItwasnotpossibletocompletethisToRforgraytriggerfishbecausetheSEDAR41stockassessmentcouldnotbesuccessfullycompleted(i.e.,manyoftheassessmentuncertaintiescouldnotbefullyevaluated).

9. Provideguidanceonkeyimprovementsindataormodelingapproacheswhichshouldbe

consideredwhenschedulingthenextassessment.Redsnapper

Inadditiontotheresultsfromtheresearchrecommendations(TOR6),additionalinformationshouldbeprovidedonhowremovalsandfishingmortalityaredistributedbyageforbothlandingsanddiscardsacrossthedifferentcommercialandrecreationalfleets.Thiskindofinformationmayprovideinsightintopossibleontogeneticspatialpatternsthatcouldbeusefulforassessingtheimpactofmini-seasonsandothermanagementactionsonthepopulation.Ifpatternsarediscernable,theymayprovidepossiblealternativesforweightingthedifferentfisherydependentabundanceindicesassociatedwiththelandingsordiscards.

Graytriggerfish

ThemajorkeyimprovementthatwillberequiredforthenextassessmentisanunderstandingofhowtheCVIDsurveytracksabundance.Theresearchrecommendations(TOR6)listanumberofpotentialresearchareasthatmayofferinsightsintotherelationshipbetweenSouthAtlanticgraytriggerfishandthissurvey.

• Poorinformationonthemagnitude,size,andagecompositionofdiscards

• Poorly-informedselectivityfunctionsformostfleets

AssessmentMethods

• UninformativeStock-Recruitmentrelationship(hadtouseproxyreferencepoints)

• Uncertaintyforcertainparametersanddatainputswasfixedtochosenvaluesthatcouldbeconsideredarbitrary(e.g.,CVforlandingsanddiscardsset=0.05)

• ModeluncertaintywasmainlyexploredbyrunninganalternativeStockProductionModel

• UninformativeStock-Recruitmentrelationship(hadtouseproxyreferencepoints)

• Uncertaintyforcertainparametersanddatainputswasfixedtochosenvaluesthatcouldbeconsideredarbitrary(e.g.,CVforlandingsset=0.05andfordiscards=0.5)

• Modeluncertaintywasnotexplicitlyexploredbytheuseofdifferentmodels

Page 27: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

10. PrepareaPeerReviewSummarysummarizingthePanel’sevaluationofthestockassessmentandaddressingeachTermofReference.Developalistoftaskstobecompletedfollowingtheworkshop.CompleteandsubmitthePeerReviewSummaryReportinaccordancewiththeprojectguidelines.

ThesummarygroupreportfortheReviewPanelwassubmittedonApril15,2016.ThisindependentpeerreviewreportwassubmittedonApril21,2016.

ConclusionsandRecommendations

Theresultsoftheage-basedmodelforSouthAtlanticRedSnapperindicatethatthestockisoverfishedandoverfishingisoccurring.Whilethecurrentlevelsofabundanceareatthehighestsincethemid-1960s,thepopulationin2014consistedmainlyofages1–4years(96%bynumber).Asaresult,thecurrentpopulationbiomassislessthanexpectedatSSBF30%duetothelackofolderfish.Thefindingforoverfishingwasmadedespitethefactthatthefisheryhasbeenundermoratoriumsince2010.However,themoratoriumhasnotresultedinacompleteclosureastherehavebeenlimitedopeningsormini-seasonsin2012,2013and2014.Inaddition,alargeportionoftheremovalssince2010havebeenduetodiscardsespeciallyinthegeneralrecreationalfishery.AnnualfishingmortalityhasbeenmonitoredbyapicalFwhichwillbebasedondifferentagesovertimeasafunctionofthedifferingcontributionoffleetsandfleetselectivities.ApicalFdefinitelyshowsalargedecreaseinfishingmortalityfrom2009to2010,correspondingtothesettingofthemoratorium;however,fishingmortalityincreasesthereaftertowhereitisnowexceedingFF30%in2014.Thisincreaseinfishingmortalityappearstobeconfinedtoages4+onlyasthefishingmortalityfortheyoungeragesremainslow.PopulationestimatesforolderfishwereindexedbytheCVIDsurveyandtheassumedflat-toppedselectivitycurve.Researchrecommendationsweremadetoinvestigatethespatialdistributionofredsnapperbysizetodetermineifthelargerfishwerevulnerabletobeingcaughtbythetraps.Also,theadditionofalonglinesurveytosampleabroadsizerangeoffishwasalsorecommended.Underthecurrentmanagementregime,discardswillcontinuetobeasormoreimportantthanlandingsasremovalsfromthepopulation;however,discarddataprovidelessreliableestimatesthanlandingdata.Researchrecommendationsweremadetoimprovethesizecompositionestimatesforthediscards,inparticularforthegeneralrecreationaldiscardsforwhichnodirectsizecompositionsestimateswereavailable.TheReviewPanelreviewedtheBAMbasemodelforgraytriggerfish.Thebasemodelestimatedverylowlevelsofabundanceintheinitialyearsof1988and1989atatimewhenexploitationwasexpectedtobequitelow.Thisbehaviorappearedtobeaconsequenceoftheclosefittothelow1990CVIDsurveypoint,duetothesixtimesup-weightingalongwiththeassumedselectivityfortheCVID.AdditionalrunstoestablishabasecasewiththecorrectedCVIDagecompositionsandremovinglengthcompositionswhenagecompositionswereavailableresultedinpoorfitstotheheadboatandCVIDagecompositions.TheReviewPanelrecommendsthatfurthermodelingisneededtomodelthecorrecteddataappropriatelygiventhemagnitudeofchangestothedata,resultsandmodeldiagnosticsfromtheAssessmentWorkshopbasemodel,aswellasconcernsaboutoverfittingthesurvey.Researchrecommendationswereprovidedtoexploreforpossiblespatialreasonsfortheweakrelationshipbetweenageandlength,aswellas

Page 28: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

furtherinvestigationoftheCVIDsurveyserieswithrespecttothe1990observation,evidencefortrackingcohortsandthepossibleeffectsofgearsaturation.

Page 29: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Appendix1:Bibliographyofmaterialsprovidedforreview

SEDAR41SouthAtlanticRedSnapperandGrayTriggerfish

WorkshopDocumentListDocument# Title Authors

DocumentsPreparedfortheDataWorkshop(DW)SEDAR41-DW01 UPDATED:GeorgiaHeadboatRedSnapperCatchand

EffortData,1983-2013AmickandKnowlton2014

SEDAR41-DW02 UPDATED:GeorgiaRedSnapperCatch&EffortCollectionduringMini-Seasons,2012-2014

Knowlton2015

SEDAR41-DW03 StandardizedvideocountsofSoutheastU.S.Atlanticgraytriggerfish(Balistescapriscus)fromtheSoutheastReefFishSurvey**SeeSEDAR41-DW44forindexupdatedthrough2014

Purcelletal.2014

SEDAR41-DW04 StandardizedvideocountsofSoutheastU.S.Atlanticredsnapper(Lutjanuscampechanus)fromtheSoutheastReefFishSurvey**SeeSEDAR41-DW45forindexupdatedthrough2014

Purcelletal.2014

SEDAR41-DW05 GrayTriggerfishFishery-IndependentIndicesofAbundanceinUSSouthAtlanticWatersBasedonaChevronTrapSurvey**SeeSEDAR41-DW52forindexrecommendedfrom2015DW

Ballengeretal.2014

SEDAR41-DW06 RedSnapperFishery-IndependentIndicesofAbundanceinUSSouthAtlanticWatersBasedonaChevronTrapSurvey**SeeSEDAR41-DW53andSEDAR41-DW54forindexrecommendationsfrom2015DW

Ballengeretal.2014

SEDAR41-DW07 AgeTruncationandReproductiveResilienceofRedSnapper(Lutjanuscampechanus)AlongtheEastCoastofFlorida(hassincebeenpublished–seeSEDAR41-RD57)

Lowerre-Barbierietal.2014

SEDAR41-DW08 Theutilityofahookedgearsurveyindevelopingafisheries-independentindexofabundanceforredsnapperalongFlorida’sAtlanticcoast

Guentheretal.2014

SEDAR41-DW09 Sizeandagecompositionofredsnapper,Lutjanuscampechanus,collectedinassociationwithfishery-independentandfishery-dependentprojectsoffofFlorida’sAtlanticcoastduring2012and2013

Switzeretal.2014

Page 30: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

SEDAR41-DW10 OverviewofFlorida’sCooperativeEastCoastRedSnapperTaggingProgram,2011-2013

Brodieetal.2014

SEDAR41-DW11 HabitatmodelsforGrayTriggerfishcollectedinfishery-independenttrapsurveysoffthesoutheasternUnitedStates

Muhlingetal.2014

SEDAR41-DW12 UPDATED:PreliminarystandardizedcatchratesofSoutheastUSAtlanticredsnapper(Lutjanuscampechanus)fromheadboatlogbookdata

SFB-NMFS2015

SEDAR41-DW13 UPDATED:PreliminarystandardizedcatchratesofSoutheastUSAtlanticgraytriggerfish(Balistescapriscus)fromheadboatlogbookdata

SFB-NMFS2015

SEDAR41-DW14 UPDATED:Standardizedcatchratesofredsnapper(Lutjanuscampechanus)fromheadboatat-sea-observerdata

SFB-NMFS2015

SEDAR41-DW15 Standardizedcatchratesofgraytriggerfish(Balistescapriscus)fromheadboatat-sea-observerdata

SFB-NMFS2014

SEDAR41-DW16 UPDATED:ReportonLifeHistoryofSouthAtlanticGrayTriggerfish,Balistescapriscus,fromFishery-IndependentSources

Kolmosetal.2015

SEDAR41-DW17 UPDATED:EstimatesofHistoricRecreationalLandingsofRedSnapperintheSouthAtlanticUsingtheFHWARCensusMethod**SeeSEDAR41-AW07forupdated2015Addendum

Brennan2015

SEDAR41-DW18

UPDATED:SouthCarolinaRedSnapperCatchandBiologicalDataCollectionduringMini-Seasons,2012-2014

Dukes&Hiltz2015

SEDAR41-DW19 UPDATED:Standardizedcatchratesofredsnapper(Lutjanuscampechanus)inthesoutheastU.S.fromcommerciallogbookdata

SFB-NMFS2015

SEDAR41-DW20 UPDATED:Standardizedcatchratesofgraytriggerfish(Balistescapriscus)inthesoutheastU.S.fromcommerciallogbookdata

SFB-NMFS2015

SEDAR41-DW21 NorthCarolinaDivisionofMarineFisheriesRedSnapperCarcassCollections,2012-2013

NCDMF2014

SEDAR41-DW22 SEDAR41Redsnapperstockassessmentmustutilize“direct”estimatesofgearselectivity

BarileandNelson2014

SEDAR41-DW23 AtlanticRedSnapper(Lutjanuscampechanus)FishingHistoryTimeline

Hudson2014

SEDAR41-DW24 AtlanticRedSnapper(Lutjanuscampechanus)HistoricalFishingPictures

Hudson2014

Page 31: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

SEDAR41-DW25 HistoricalFor-HireFishingVessels:SouthAtlanticFisheryManagementCouncil,1930’sto1985

Hudson2014

SEDAR41-DW26 SEDAR41AtlanticRedSnapperandGrayTriggerfishDataWorkshopHistoricalPhotographsofFor-HireVessels1930’sto1985

Hudson2014

SEDAR41-DW27 Redsnapperminiseasonad-hocworkinggroupreport

RedSnapperMiniSeasonAd-hocGroup2014

SEDAR41-DW28 RedSnapperLutjanuscampechanusinGulfofMexicoversussoutheastUSAtlanticOceanwaters:gapsinknowledgeandimplicationsformanagement

Rindoneetal.2014

SEDAR41-DW29 Discardsofredsnapper(Lutjanuscampechanus)fortheheadboatfisheryintheUSSouthAtlantic**SeeSEDAR41-AW01forupdatedHBdiscardsWP

FEB-NMFS2014

SEDAR41-DW30 Discardsofgraytriggerfish(Balistescapriscus)fortheheadboatfisheryintheUSSouthAtlantic**SeeSEDAR41-AW02forupdatedHBdiscardsWP

FEB-NMFS2014

SEDAR41-DW31 RedSnapperPreliminaryGeneticAnalysisTemporalGeneticDiversityTrendsintheSouthAtlanticBight

O’DonnellandDarden2014

SEDAR41-DW32 SCDNRCharterboatLogbookProgramData,1993-2013

Hiltz2014

SEDAR41-DW33 UPDATED:SizeDistribution,ReleaseCondition,andEstimatedDiscardMortalityofRedSnapperObservedinFor-HireRecreationalFisheriesintheSouthAtlantic

Saulsetal.2015

SEDAR41-DW34 UPDATED:SizeDistribution,ReleaseCondition,andEstimatedDiscardMortalityofGrayTriggerfishObservedinFor-HireRecreationalFisheriesintheSouthAtlantic

Saulsetal.2015

SEDAR41-DW35 UPDATED:MarineResourcesMonitoring,AssessmentandPredictionProgram:ReportonAtlanticRedSnapper,Lutjanuscampechanus,LifeHistoryfortheSEDAR41DataWorkshop

Whiteetal.2014Wyanskietal.2015

SEDAR41-DW36 UPDATED:DiscardsofRedSnapperCalculatedforCommercialVesselswithFederalFishingPermitsintheUSSouthAtlantic

McCarthy2015

SEDAR41-DW37 UPDATED:CalculatedDiscardsofGrayTriggerfishfromUSSouthAtlanticCommercialFishingVessels

McCarthy2015

SEDAR41-DW38 Historiccatchofredsnapperbyheadboatsthroughhistoricphotographanalysis

Grayetal.2014

Page 32: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

SEDAR41-DW39 Indexreportcards IndexWorkingGroup2014

SEDAR41-DW40 ProblemswithHeadboatIndexofAbundanceConfoundsUseinSEDAR41RedSnapper

Nelsonetal.2014

SEDAR41-DW41 CommercialFishingTargetingChanges Fex2014SEDAR41-DW42 NEW:SouthAtlanticRedSnapper(Lutjanus

campechanus)monitoringinFlorida:Revisedrecreationalprivateboatmodeestimatesfor2012and2013mini-seasons,andnewprivateboatmodeestimatesforthe2014mini-season

Sauls2015

SEDAR41-DW43 NEW:HookSelectivityingraytriggerfishobservedinthefor-hirefisheryofftheAtlanticcoastofFlorida

GrayandSauls2015

SEDAR41-DW44 NEW:StandardizedvideocountsofSoutheastU.S.Atlanticgraytriggerfish(Balistescapriscus)fromtheSoutheastReefFishSurvey

Ballewetal.2015

SEDAR41-DW45 NEW:StandardizedvideocountsofSoutheastU.S.Atlanticredsnapper(Lutjanuscampechanus)fromtheSoutheastReefFishSurvey

Ballewetal.2015

SEDAR41-DW46 NEW:HeadboatDataEvaluation NMFS-SEFSC2015SEDAR41-DW47 NEW:DevelopmentofanageingerrormatrixforU.S.

graytriggerfish(Balistescapriscus)SFB-NMFS2015

SEDAR41-DW48 NEW:DevelopmentofanageingerrormatrixforU.S.redsnapper(Lutjanuscampechanus)

SFB-NMFS2015

SEDAR41-DW49 NEW:Estimatesofreproductiveactivityinredsnapperbysize,season,andtimeofdaywithnonlinearmodels

Klibansky2015

SEDAR41-DW50 NEW:HookSelectivityinredsnapperobservedinthefor-hirefisheryofftheAtlanticcoastofFlorida

GrayandSauls2015

SEDAR41-DW51 NEW:SERFSChevronTrapRedSnapperIndexofAbundance:AnInvestigationoftheUtilityofHistorical(1990-2009)ChevronTrapCatchData

Ballenger2015

SEDAR41-DW52 NEW:GrayTriggerfishFishery-IndependentIndexofAbundanceinUSSouthAtlanticWatersBasedonaChevronTrapSurvey(1990-2014)

BallengerandSmart2015

SEDAR41-DW53 NEW:RedSnapperFishery-IndependentIndexofAbundanceinUSSouthAtlanticWatersBasedonaChevronTrapSurvey(2005-2014)

BallengerandSmart2015

SEDAR41-DW54 NEW:RedSnapperFishery-IndependentIndexofAbundanceinUSSouthAtlanticWatersBasedonaChevronTrapSurvey(2010-2014)

BallengerandSmart2015

DocumentsPreparedfortheAssessmentWorkshop

Page 33: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

SEDAR41-AW01 AddendumtoSEDAR41-DW29:Discardsofredsnapper(Lutjanuscampechanus)fortheheadboatfisheryintheUSSouthAtlantic

FEB-NMFS2015

SEDAR41-AW02 AddendumtoSEDAR41-DW30:Discardsofgraytriggerfish(Balistescapriscus)fortheheadboatfisheryintheUSSouthAtlantic

FEB-NMFS2015

SEDAR41-AW03 SouthAtlanticU.S.redsnapper(Lutjanuscampechanus)ageandlengthcompositionfromtherecreationalfisheries

FEB-NMFS2015

SEDAR41-AW04 SouthAtlanticU.S.graytriggerfish(Balistescapriscus)ageandlengthcompositionfromtherecreationalfisheries

FEB-NMFS2015

SEDAR41-AW05 CommercialageandlengthcompositionweightingsforAtlanticRedSnapper(Lutjanuscampechanus)

SFB-NMFS2015

SEDAR41-AW06 CommercialageandlengthcompositionweightingsforAtlanticGrayTriggerfish(Balistescapriscus)

SFB-NMFS2015

SEDAR41-AW07 AddendumtoSEDAR41-DW17:EstimatesofHistoricRecreationalLandingsofRedSnapperintheSouthAtlanticUsingtheFHWARCensusMethod

Brennan2015

SEDAR41-AW08 SouthAtlanticU.S.redsnapper(Lutjanuscampechanus)catchcurveanalysis

SFB-NMFS2015

DocumentsPreparedfortheReviewWorkshop

SEDAR41-RW01 AddendumtoSEDAR41-DW16:ReportonLifeHistoryofSouthAtlanticGrayTriggerfish,Balistescapriscus,fromFishery-IndependentSources:UPDATEonanalysesofmaturity,spawningfraction,andsexratio

Kolmosetal.2016

SEDAR41-RW02 Agestructuredproductionmodel(ASPM)forU.S.SouthAtlanticRedSnapper(Lutjanuscampechanus)

SFB-NMFS2016

SEDAR41-RW03 Agestructuredproductionmodel(ASPM)forU.S.SouthAtlanticGrayTriggerfish(Balistescapriscus)

SFB-NMFS2016

SEDAR41-RW04 RedSnapper:AdditionalBAMdiagnostics,analyses,andcode

SFB-NMFS2016

SEDAR41-RW05 ModelDiagnosticsandSourceCodeforSEDAR41GrayTriggerfish(Balistescapriscus)BenchmarkStockAssessment

SFB-NMFS2016

SEDAR41-RW06 SEDAR41:PublicComments VariousAuthors

FinalAssessmentReports

Page 34: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

SEDAR41-SAR1 AssessmentofRedSnapperintheUSSouthAtlantic TobepreparedbySEDAR41

SEDAR41-SAR2 AssessmentofGrayTriggerfishintheUSSouthAtlantic

TobepreparedbySEDAR41

ReferenceDocumentsSEDAR41-RD01 ListofdocumentsandworkingpapersforSEDAR32

(SouthAtlanticBluelineTilefishandGrayTriggerfish)–alldocumentsavailableontheSEDARwebsite.

SEDAR32

SEDAR41-RD02 ListofdocumentsandworkingpapersforSEDAR9(GulfofMexicoGrayTriggerfish,GreaterAmberjack,andVermilionSnapper)–alldocumentsavailableontheSEDARwebsite.

SEDAR9

SEDAR41-RD03 2011GulfofMexicoGrayTriggerfishUpdateAssessment

SEDAR2011

SEDAR41-RD04 ListofdocumentsandworkingpapersforSEDAR24(SouthAtlanticredsnapper)–alldocumentsavailableontheSEDARwebsite.

SEDAR24

SEDAR41-RD05 ListofdocumentsandworkingpapersforSEDAR31(GulfofMexicoredsnapper)–alldocumentsavailableontheSEDARwebsite.

SEDAR31

SEDAR41-RD06 ListofdocumentsandworkingpapersforSEDAR15(SouthAtlanticredsnapperandgreateramberjack)–alldocumentsavailableontheSEDARwebsite.

SEDAR15

SEDAR41-RD07 2009GulfofMexicoredsnapperupdateassessment SEDAR2009SEDAR41-RD08 ListofdocumentsandworkingpapersforSEDAR7

(GulfofMexicoredsnapper)–alldocumentsavailableontheSEDARwebsite.

SEDAR7

SEDAR41-RD09 SEDAR24SouthAtlanticRedSnapper:managementquantitiesandprojectionsrequestedbytheSSCandSERO

NMFS-SustainableFisheriesBranch2010

SEDAR41-RD10 Totalremovalsofredsnapper(Lutjanuscampechanus)in2012fromtheUSSouthAtlantic

NMFS-SustainableFisheriesBranch2013

SEDAR41-RD11 Amendment17AtotheFisheryManagementPlanfortheSnapperGrouperFisheryoftheSouthAtlanticRegion

SAFMC2010

SEDAR41-RD12 Amendment28totheFisheryManagementPlanfortheSnapperGrouperFisheryoftheSouthAtlanticRegion

SAFMC2013

SEDAR41-RD13 Totalremovalsofredsnapper(Lutjanuscampechanus)in2013fromtheU.S.SouthAtlantic

NMFS-SustainableFisheriesBranch2014

Page 35: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

SEDAR41-RD14 SouthAtlanticredsnapper(Lutjanuscampechanus)monitoringinFloridaforthe2012season

Saulsetal.2013

SEDAR41-RD15 SouthAtlanticredsnapper(Lutjanuscampechanus)monitoringinFloridaforthe2013season

Saulsetal.2014

SEDAR41-RD16 AdirectedstudyoftherecreationalredsnapperfisheriesintheGulfofMexicoalongtheWestFloridashelf

Saulsetal.2014

SEDAR41-RD17 Usinggeneralizedlinearmodelstoestimateselectivityfromshort-termrecoveriesoftaggedreddrumSciaenopsocellatus:Effectsofgear,fate,andregulationperiod

Bacheleretal.2009

SEDAR41-RD18 Directestimatesofgearselectivityfrommultipletaggingexperiments

MyersandHoenig1997

SEDAR41-RD19 Examiningtheutilityofalternativevideomonitoringmetricsforindexingreeffishabundance

Schoberndetal.2014

SEDAR41-RD20 AnevaluationandpoweranalysisoffisheryindependentreeffishsamplingintheGulfofMexicoandU.S.SouthAtlantic

Conn2011

SEDAR41-RD21 Consultant’sReport:SummaryoftheMRFSS/MRIPCalibrationWorkshop

Boreman2012

SEDAR41-RD22 2013SouthAtlanticRedSnapperAnnualCatchLimitandSeasonLengthProjections

SERO2013

SEDAR41-RD23 SoutheastReefFishSurveyVideoIndexDevelopmentWorkshop

BachelerandCarmichael2014

SEDAR41-RD24 ObserverCoverageofthe2010-2011GulfofMexicoReefFishFishery

Scott-DentonandWilliams

SEDAR41-RD25 CircleHookRequirementsintheGulfofMexico:ApplicationinRecreationalFisheriesandEffectivenessforConservationofReefFishes

SaulsandAyala2012

SEDAR41-RD26 GADNRMarineSportfishCarcassRecoveryProject Harrell2013SEDAR41-RD27 CatchCharacterizationandDiscardswithinthe

SnapperGrouperVerticalHook-and-LineFisheryoftheSouthAtlanticUnitedStates

GulfandSouthAtlanticFisheriesFoundation2008

SEDAR41-RD28 AContinuationofCatchCharacterizationandDiscardswithintheSnapperGrouperVerticalHook-and-LineFisheryoftheSouthAtlanticUnitedStates

GulfandSouthAtlanticFisheriesFoundation2010

SEDAR41-RD29 ContinuationofCatchCharacterizationandDiscardswithintheSnapperGrouperVerticalHook-and-LineFisheryoftheSouthAtlanticUnitedStates

GulfandSouthAtlanticFisheriesFoundation2013

SEDAR41-RD30 Amendment1andEnvironmentalAssessmentandRegulatoryImpactReviewtotheFishery

SAFMC1988

Page 36: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

ManagementPlanfortheSnapperGrouperFisheryoftheSouthAtlanticRegion

SEDAR41-RD31 FinalRuleforAmendment1totheFisheryManagementPlanfortheSnapperGrouperFisheryoftheSouthAtlanticRegion

FederalRegister1989

SEDAR41-RD32 PopulationStructureandGeneticDiversityofRedSnapper(Lutjanuscampechanus)intheU.S.SouthAtlanticandConnectivitywithRedSnapperintheGulfofMexico

GoldandPortnoy2013

SEDAR41-RD33 OogenesisandfecunditytypeofGulfofMexicograytriggerfishreflectswarmwaterenvironmentalandparentalcare

LangandFitzhugh2014

SEDAR41-RD34 Depth-relatedDistributionofPostjuvenileRedSnapperinSoutheasternU.S.AtlanticOceanWaters:OntogeneticPatternsandImplicationsforManagement

Mitchelletal.2014

SEDAR41-RD35 GrayTriggerfishAgeWorkshop Potts2013SEDAR41-RD36 Age,Growth,andReproductionofGrayTriggerfish

BalistescapriscusOfftheSoutheasternU.S.AtlanticCoast

Kelly2014

SEDAR41-RD37 AssessmentofGeneticStockStructureofGrayTriggerfish(Balistescapriscus)inU.S.WatersoftheGulfofMexicoandSouthAtlanticRegions

SaillantandAntoni2014

SEDAR41-RD38 GeneticVariationofGrayTriggerfishinU.S.WatersoftheGulfofMexicoandWesternAtlanticOceanasInferredfromMitochondrialDNASequences

Antonietal.2011

SEDAR41-RD39 CharacterizationoftheU.S.GulfofMexicoandSouthAtlanticPenaeidandRockShrimpFisheriesBasedonObserverData

Scott-Dentonetal.2012

SEDAR41-RD40 Doeshooktypeinfluencethecatchrate,size,andinjuryofgrouperinaNorthCarolinacommercialfishery

BachelerandBuckel2004

SEDAR41-RD41 FishesassociatedwithNorthCarolinashelf-edgehardbottomsandinitialassessmentofaproposedmarineprotectedarea

QuattriniandRoss2006

SEDAR41-RD42 Growthofgreytriggerfish,Balistescapriscus,basedongrowthchecksofthedorsalspine

Ofori-Danson1989

SEDAR41-RD43 AgeValidationandGrowthofGrayTriggerfish,Balistescapriscus,IntheNorthernGulfofMexico

Fioramonti2012

SEDAR41-RD44 AreviewofthebiologyandfisheryforGrayTriggerfish,Balistescapriscus,intheGulfofMexico

HarperandMcClellan1997

Page 37: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

SEDAR41-RD45 Stockstructureofgraytriggerfish,Balistescapriscus,onmultiplespatialscalesintheGulfofMexico

Ingram2001

SEDAR41-RD46 EvaluationoftheEfficacyoftheCurrentMinimumSizeRegulationforSelectedReefFishBasedonReleaseMortalityandFishPhysiology

BurnsandBrown-Peterson2008

SEDAR41-RD47 PopulationStructureofRedSnapperfromtheGulfofMexicoasInferredfromAnalysisofMitochondrialDNA

Goldetal.1997

SEDAR41-RD48 SuccessfulDiscriminationUsingOtolithMicrochemistryAmongSamplesofRedSnapperLutjanuscampechanusfromArtificialReefsandSamplesofL.campechanusTakenfromNearbyOilandGasPlatforms

Nowlingetal.2011

SEDAR41-RD49 PopulationStructureandVariationinRedSnapper(Lutjanuscampechanus)fromtheGulfofMexicoandAtlanticCoastofFloridaasDeterminedfromMitochondrialDNAControlRegionSequence

Garberetal.2003

SEDAR41-RD50 PopulationassessmentoftheredsnapperfromthesoutheasternUnitedStates

Manoochetal.1998

SEDAR41-RD51 OtolithMicrochemicalFingerprintsofAge-0RedSnapper,Lutjanuscampechanus,fromtheNorthernGulfofMexico

Pattersonetal.1998

SEDAR41-RD52 ImplicationsofreeffishmovementfromunreportedartificialreefsitesinthenorthernGulfofMexico

Addisetal.2013

SEDAR41-RD53 Evaluatingthepredictiveperformanceofempiricalestimatorsofnaturalmortalityrateusinginformationonover200fishspecies

Thenetal.2014

SEDAR41-RD54 Lengthselectivityofcommercialfishtrapsassessedfrominsitucomparisonswithstereo-video:Isthereevidenceofsamplingbias?

Langloisetal.2015

SEDAR41-RD55 MRIPCalibrationWorkshopII–FinalReport CarmichaelandVanVorhees(eds.)2015

SEDAR41-RD56 TotalRemovalsofredsnapper(Lutjanuscampechanus)in2014fromtheU.S.SouthAtlantic

SEFSC2015

SEDAR41-RD57 Assessingreproductiveresilience:anexamplewithSouthAtlanticredsnapperLutjanuscampechanus

Lowerre-Barbiereetal.2015

SEDAR41-RD58 OverviewofsamplinggearsandstandardprotocolsusedbytheSoutheastReefFishSurveyanditspartners

Smartetal.2014

SEDAR41-RD59 MRIPTransitionPlanfortheFishingEffortSurvey AtlanticandGulfSubgroupoftheMRIPTransitionTeam2015

Page 38: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

SEDAR41-RD60 TechnicaldocumentationoftheBeaufortAssessmentModel(BAM)

WilliamsandShertzer2015

SEDAR41-RD61 StockAssessmentofRedSnapperintheGulfofMexico1872-2013,withProvisional2014Landings:SEDARUpdateAssessment

Cass-Calayetal.2015

SEDAR41-RD62 ExcerptfromtheDecember2013SAFMCSEDARCommitteeMinutes(pages11-21whereSEDAR41ToRwerediscussed)

SAFMCSEDARCommittee

SEDAR41-RD63 Populationstructureofredsnapper(Lutjanuscampechanus)inU.S.watersofthewesternAtlanticOceanandthenortheasternGulfofMexico

Hollenbecketal.2015

SEDAR41-RD64 SEDAR31-AW04:TheEffectofHookTypeonRedSnapperCatch

SaulandWalter2013

SEDAR41-RD65 SEDAR31-AW12:Estimationofhookselectivityonredsnapper(Lutjanuscampechanus)duringafisheryindependentsurveyofnaturalreefsintheGulfofMexico

Pollacketal.2013

SEDAR41-RD66 EffectofCircleHookSizeonReefFishCatchRates,SpeciesComposition,andSelectivityintheNorthernGulfofMexicoRecreationalFishery

Pattersonetal.2012

SEDAR41-RD67 Effectoftrawlingonjuvenileredsnapper(Lutjanuscampechanus)habitatselectionandlifehistoryparameters

Wellsetal.2008

SEDAR41-RD68 SEDAR24-AW05:SelectivityofredsnapperinthesoutheastU.S.Atlantic:dome-shapedorflattopped?

SFB-SEFSC2010

SEDAR41-RD69 Hierarchicalanalysisofmultiplenoisyabundanceindices

Conn2010

SEDAR41-RD70 Dataweightinginstatisticalfisheriesstockassessmentmodels

Francis2011

SEDAR41-RD71 CorrigendumtoFrancis2011paper FrancisSEDAR41-RD72 Quantifyingannualvariationincatchabilityfor

commercialandresearchfishingFrancisetal.2003

SEDAR41-RD73 Evolutionaryassemblyrulesforfishlifehistories Charnovetal.2012SEDAR41-RD74 User’sGuideforASPICSuite,version7:AStock-

ProductionModelIncorporatingCovariatesandauxiliaryprograms

Prager2015

SEDAR41-RD75 StandingandSpecialReefFishSSC,September2015MeetingSummary(seepages4-7forSEDAR43review)

GulfofMexicoStandingandSpecialReefFishSSC

SEDAR41-RD76 StandingandSpecialReefFishSSC,January2016MeetingSummary(seepages2-7forSEDAR43review)

GulfofMexicoStandingandSpecialReefFishSSC

Page 39: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

SEDAR41-RD77 SEDAR43GulfofMexicoGrayTriggerfishStockAssessmentReport

SEDAR43

SEDAR41-RD78 Reviewof2014SEDAR31GulfofMexicoRedSnapperUpdateAssessment

GulfofMexicoStandingandSpecialReefFishSSC

SEDAR41-RD79 Influenceofsoaktimeandfishaccumulationoncatchesofreeffishesinamultispeciestrapsurvey

Bacheleretal.2013

Additionalpapers:

Aanes,S.,andJ.H.Vølstad.2015.Efficientstatisticalestimatorsandsamplingstrategiesforestimatingtheagecompositionoffish.CanadianJournalofFisheriesandAquaticSciences,72:938–953.

Anderson,B.,E.Borgonovo,M.GaleottiandR.Roson.2011.Uncertaintyinintegratedassessment

modelling:Canglobalsensitivityanalysisbeofhelp?WorkingPaperSeries.WorkingPaper52.ISSN1973-0381.IEFE-TheCenterforResearchonEnergyandEnvironmentalEconomicsandPolicyatBocconiUniversity.Thispapercanbedownloadedatwww.iefe.unibocconi.it

Kaufman,L.S.1983.EffectsofHurricaneAllenonreeffishassemblagesnearDiscoveryBay,Jamaica.

CoralReefs.2:43–47.Saltelli,A.,andP.Annoni.2010,Howtoavoidaperfunctorysensitivityanalysis.Environmental

Modelling&Software25:1508–1517.Saltelli,A.,M.Ratto,T.Andres,F.Campolongo,J.Cariboni,D.Gatelli,M.Saisana,andS.Tarantola.

2008.GlobalSensitivityAnalysis-ThePrimer.JohnWiley&Sons.Chichester.

Page 40: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Appendix2:CIEStatementofWork

ExternalIndependentPeerReviewbytheCenterforIndependentExperts

SEDAR41SouthAtlanticRedSnapperandGrayTriggerfishAssessmentReviewWorkshop

ScopeofWorkandCIEProcess:TheNationalMarineFisheriesService’s(NMFS)OfficeofScienceandTechnologycoordinatesandmanagesacontractprovidingexternalexpertisethroughtheCenterforIndependentExperts(CIE)toconductindependentpeerreviewsofNMFSscientificprojects.TheStatementofWork(SoW)describedhereinwasestablishedbytheNMFSProjectContactandContractingOfficer’sTechnicalRepresentative(COTR),andreviewedbyCIEforcompliancewiththeirpolicyforprovidingindependentexpertisethatcanprovideimpartialandindependentpeerreviewwithoutconflictsofinterest.CIEreviewersareselectedbytheCIESteeringCommitteeandCIECoordinationTeamtoconducttheindependentpeerreviewofNMFSscienceincompliancethepredeterminedTermsofReference(ToRs)ofthepeerreview.EachCIErevieweriscontractedtodeliveranindependentpeerreviewreporttobeapprovedbytheCIESteeringCommitteeandthereportistobeformattedwithcontentrequirementsasspecifiedinAnnex1.ThisSoWdescribestheworktasksanddeliverablesoftheCIEreviewerforconductinganindependentpeerreviewofthefollowingNMFSproject.FurtherinformationontheCIEprocesscanbeobtainedfromwww.ciereviews.org.ProjectDescription:SEDAR41willbeacompilationofdata,anassessmentofthestocks,andCIEassessmentreviewconductedforSouthAtlanticredsnapperandgraytriggerfish.ThereviewworkshopprovidesanindependentpeerreviewofSEDARstockassessments.Thetermreviewisappliedbroadly,asthereviewpanelmayrequestadditionalanalyses,errorcorrectionsandsensitivityrunsoftheassessmentmodelsprovidedbytheassessmentpanel.ThereviewpanelisultimatelyresponsibleforensuringthatthebestpossibleassessmentisprovidedthroughtheSEDARprocess.ThestocksassessedthroughSEDAR41arewithinthejurisdictionoftheSouthAtlanticFisheriesManagementCouncilandthestatesofFlorida,Georgia,SouthCarolina,andNorthCarolina.TheTermsofReference(ToRs)ofthepeerreviewareattachedinAnnex2.ThetentativeagendaofthepanelreviewmeetingisattachedinAnnex3.RequirementsforCIEReviewers:ThreeCIEreviewersshallconductanimpartialandindependentpeerreviewinaccordancewiththeSoWandToRsherein.CIEreviewersshallhaveworkingknowledgeexpertiseinstockassessment,statistics,fisheriesscience,andmarinebiologysufficienttocompletetheprimarytaskofprovidingpeer-reviewadviceincompliancewiththeworkshopTermsofReference.EachCIEreviewer’sdutiesshallnotexceedamaximumof14daystocompleteallworktasksofthepeerreviewdescribedherein.LocationofPeerReview:EachCIEreviewershallconductanindependentpeerreviewduringthepanelreviewmeetingscheduledinCharleston,SCduringMarch15-18,2016.StatementofTasks:EachCIEreviewersshallcompletethefollowingtasksinaccordancewiththeSoWandScheduleofMilestonesandDeliverablesherein.PriortothePeerReview:UponcompletionoftheCIEreviewerselectionbytheCIESteeringCommittee,theCIEshallprovidetheCIEreviewerinformation(fullname,title,affiliation,country,address,email)totheCOTR,whoforwardsthisinformationtotheNMFSProjectContactnolaterthedatespecifiedintheScheduleofMilestonesandDeliverables.TheCIEisresponsibleforprovidingtheSoWandToRstotheCIEreviewers.TheNMFSProjectContactisresponsibleforprovidingtheCIEreviewerswiththe

Page 41: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

backgrounddocuments,reports,foreignnationalsecurityclearance,andotherinformationconcerningpertinentmeetingarrangements.TheNMFSProjectContactisalsoresponsibleforprovidingtheChairacopyoftheSoWinadvanceofthepanelreviewmeeting.AnychangestotheSoWorToRsmustbemadethroughtheCOTRpriortothecommencementofthepeerreview.ForeignNationalSecurityClearance:WhenCIEreviewersparticipateduringapanelreviewmeetingatagovernmentfacility,theNMFSProjectContactisresponsibleforobtainingtheForeignNationalSecurityClearanceapprovalforCIEreviewerswhoarenon-UScitizens.Forthisreason,theCIEreviewersshallproviderequestedinformation(e.g.,firstandlastname,contactinformation,gender,birthdate,passportnumber,countryofpassport,traveldates,countryofcitizenship,countryofcurrentresidence,andhomecountry)totheNMFSProjectContactforthepurposeoftheirsecurityclearance,andthisinformationshallbesubmittedatleast30daysbeforethepeerreviewinaccordancewiththeNOAADeemedExportTechnologyControlProgramNAO207-12regulationsavailableattheDeemedExportsNAOwebsite:http://deemedexports.noaa.gov/http://deemedexports.noaa.gov/compliance_access_control_procedures/noaa-foreign-national-registration-system.htmlPre-reviewBackgroundDocuments:Twoweeksbeforethepeerreview,theNMFSProjectContactwillsend(byelectronicmailormakeavailableatanFTPsite)totheCIEreviewersthenecessarybackgroundinformationandreportsforthepeerreview.Inthecasewherethedocumentsneedtobemailed,theNMFSProjectContactwillconsultwiththeCIELeadCoordinatoronwheretosenddocuments.CIEreviewersareresponsibleonlyforthepre-reviewdocumentsthataredeliveredtothereviewerinaccordancetotheSoWscheduleddeadlinesspecifiedherein.TheCIEreviewersshallreadalldocumentsinpreparationforthepeerreview.PanelReviewMeeting:EachCIEreviewershallconducttheindependentpeerreviewinaccordancewiththeSoWandToRs,andshallnotserveinanyotherroleunlessspecifiedherein.ModificationstotheSoWandToRscannotbemadeduringthepeerreview,andanySoWorToRsmodificationspriortothepeerreviewshallbeapprovedbytheCOTRandCIELeadCoordinator.EachCIEreviewershallactivelyparticipateinaprofessionalandrespectfulmannerasamemberofthemeetingreviewpanel,andtheirpeerreviewtasksshallbefocusedontheToRsasspecifiedherein.TheNMFSProjectContactisresponsibleforanyfacilityarrangements(e.g.,conferenceroomforpanelreviewmeetingsorteleconferencearrangements).TheNMFSProjectContactisresponsibleforensuringthattheChairunderstandsthecontractualroleoftheCIEreviewersasspecifiedherein.TheCIELeadCoordinatorcancontacttheProjectContacttoconfirmanypeerreviewarrangements,includingthemeetingfacilityarrangements.CIEreviewersshallconductanimpartialandindependentpeerreviewoftheassessmentinaccordancewiththeSoWandToRsherein.AdescriptionoftheSEDARReviewprocesscanbefoundintheSEDARPoliciesandProceduresdocument:http://sedarweb.org/docs/page/SEDARPoliciesandProcedures_Oct14_FINAL.pdf

TheCIEreviewersmaycontributetoaSummaryReportoftheReviewWorkshopproducedbytheWorkshopPanel.

Page 42: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

ContractDeliverables-IndependentCIEPeerReviewReports:EachCIEreviewershallcompleteanindependentpeerreviewreportinaccordancewiththeSoW.EachCIEreviewershallcompletetheindependentpeerreviewaccordingtorequiredformatandcontentasdescribedinAnnex1.EachCIEreviewershallcompletetheindependentpeerreviewaddressingeachToRasdescribedinAnnex2.OtherTasks–ContributiontoSummaryReport:EachCIEreviewermayassisttheChairofthepanelreviewmeetingwithcontributionstotheSummaryReport,basedonthetermsofreferenceofthereview.EachCIEreviewerisnotrequiredtoreachaconsensus,andshouldprovideabriefsummaryofthereviewer’sviewsonthesummaryoffindingsandconclusionsreachedbythereviewpanelinaccordancewiththeToRs.SpecificTasksforCIEReviewers:ThefollowingchronologicallistoftasksshallbecompletedbyeachCIEreviewerinatimelymannerasspecifiedintheScheduleofMilestonesandDeliverables.

1) Conductnecessarypre-reviewpreparations,includingthereviewofbackgroundmaterialandreportsprovidedbytheNMFSProjectContactinadvanceofthepeerreview.

2) ParticipateduringthepanelreviewmeetingattheCharleston,SCduringMarch15-18,2016.3) ParticipateatthereviewmeetinginCharleston,SCduringMarch15-18,2016asspecified

herein,andconductanindependentpeerreviewinaccordancewiththeToRs(Annex2).4) NolaterthanApril112016,eachCIEreviewershallsubmitanindependentpeerreviewreport

addressedtothe“CenterforIndependentExperts,”andsenttoDr.ManojShivlani,CIELeadCoordinator,[email protected],andDr.DavidSampson,CIERegionalCoordinator,viaemailtodavid.sampson@oregonstate.edu.EachCIEreportshallbewrittenusingtheformatandcontentrequirementsspecifiedinAnnex1,andaddresseachToRinAnnex2.

ScheduleofMilestonesandDeliverables:CIEshallcompletethetasksanddeliverablesdescribedinthisSoWinaccordancewiththefollowingschedule.

February9,2016 CIEsendsreviewercontactinformationtotheCOTR,whothensendsthistotheNMFSProjectContact

March1,2016 NMFSProjectContactsendstheCIEReviewersthepre-reviewdocumentsMarch15–18,

2016Eachreviewerparticipatesandconductsanindependentpeerreviewduringthepanelreviewmeeting

April11,2016 CIEreviewerssubmitdraftCIEindependentpeerreviewreportstotheCIELeadCoordinatorandCIERegionalCoordinator

April25,2016 CIEsubmitsCIEindependentpeerreviewreportstotheCOTRMay2,2016 TheCOTRdistributesthefinalCIEreportstotheNMFSProjectContactand

regionalCenterDirectorModificationstotheStatementofWork:This‘TimeandMaterials’taskordermayrequireanupdateormodificationduetopossiblechangestothetermsofreferenceorscheduleofmilestonesresultingfromthefisherymanagementdecisionprocessoftheNOAALeadership,FisheryManagementCouncil,andCouncil’sSSCadvisorycommittee.ArequesttomodifythisSoWmustbeapprovedbytheContractingOfficeratleast15workingdayspriortomakinganypermanentchanges.TheContractingOfficerwillnotifytheCOTRwithin10workingdaysafterreceiptofallrequiredinformationofthedecisiononchanges.TheCOTRcanapprovechangestothemilestonedates,listofpre-reviewdocuments,andToRs

Page 43: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

withintheSoWaslongastheroleandabilityoftheCIEreviewerstocompletethedeliverableinaccordancewiththeSoWisnotadverselyimpacted.TheSoWandToRsshallnotbechangedoncethepeerreviewhasbegun.AcceptanceofDeliverables:UponreviewandacceptanceoftheCIEindependentpeerreviewreportsbytheCIELeadCoordinator,RegionalCoordinator,andSteeringCommittee,thesereportsshallbesenttotheCOTRforfinalapprovalascontractdeliverablesbasedoncompliancewiththeSoWandToRs.AsspecifiedintheScheduleofMilestonesandDeliverables,theCIEshallsendviae-mailthecontractdeliverables(CIEindependentpeerreviewreports)totheCOTR(AllenShimadaatallen.shimada@noaa.gov.ApplicablePerformanceStandards:ThecontractissuccessfullycompletedwhentheCOTRprovidesfinalapprovalofthecontractdeliverables.Theacceptanceofthecontractdeliverablesshallbebasedonthreeperformancestandards:

(1) TheCIEreportshallcompletedwiththeformatandcontentinaccordancewithAnnex1,(2) TheCIEreportshalladdresseachToRasspecifiedinAnnex2,(3) TheCIEreportsshallbedeliveredinatimelymannerasspecifiedinthescheduleofmilestones

anddeliverables.

DistributionofApprovedDeliverables:UponacceptancebytheCOTR,theCIELeadCoordinatorshallsendviae-mailthefinalCIEreportsin*.PDFformattotheCOTR.TheCOTRwilldistributetheCIEreportstotheNMFSProjectContactandCenterDirector.SupportPersonnel:AllenShimadaNMFSOfficeofScienceandTechnology1315EastWestHwy,SSMC3,F/ST4,SilverSpring,[email protected]:301-427-8174ManojShivlani,CIELeadCoordinatorNorthernTaigaVentures,Inc.10600SW131stCourt,Miami,[email protected]:305-968-7136KeyPersonnel:

NMFSProjectContact:

JuliaByrdSEDARCoordinator4055FaberPlaceDrive,Suite201NorthCharleston,SC29405(843)[email protected]

Page 44: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Annex1:FormatandContentsofCIEIndependentPeerReviewReport

1. TheCIEindependentreportshallbeprefacedwithanExecutiveSummaryprovidingaconcisesummaryofthefindingsandrecommendations,andspecifywhetherthesciencereviewedisthebestscientificinformationavailable.

2. ThemainbodyofthereviewerreportshallconsistofaBackground,DescriptionoftheIndividualReviewer’sRoleintheReviewActivities,SummaryofFindingsforeachToRinwhichtheweaknessesandstrengthsaredescribed,andConclusionsandRecommendationsinaccordancewiththeToRs.

a. Reviewersshoulddescribeintheirownwordsthereviewactivitiescompletedduringthepanelreviewmeeting,includingprovidingabriefsummaryoffindings,ofthescience,conclusions,andrecommendations.

b. ReviewersshoulddiscusstheirindependentviewsoneachToRevenifthesewereconsistentwiththoseofotherpanelists,andespeciallywherethereweredivergentviews.

c. ReviewersshouldelaborateonanypointsraisedintheSummaryReportthattheyfeelmightrequirefurtherclarification.

d. ReviewersshallprovideacritiqueoftheNMFSreviewprocess,includingsuggestionsforimprovementsofbothprocessandproducts.

e. TheCIEindependentreportshallbeastand-alonedocumentforotherstounderstandtheweaknessesandstrengthsofthesciencereviewed,regardlessofwhetherornottheyreadthesummaryreport.TheCIEindependentreportshallbeanindependentpeerreviewofeachToRs,andshallnotsimplyrepeatthecontentsofthesummaryreport.

3. Thereviewerreportshallincludethefollowingappendices:

Appendix1:BibliographyofmaterialsprovidedforreviewAppendix2:AcopyoftheCIEStatementofWorkAppendix3:PanelMembershiporotherpertinentinformationfromthepanelreviewmeeting.

Annex2:TermsofReferenceforthePeerReview

SEDAR41SouthAtlanticRedSnapperandGrayTriggerfishAssessmentReviewWorkshop

11. Evaluatethedatausedintheassessment,includingdiscussionofthestrengthsandweaknessesofdatasourcesanddecisions,andconsiderthefollowing:

a) AredatadecisionsmadebytheDWandAWsoundandrobust?b) Aredatauncertaintiesacknowledged,reported,andwithinnormalorexpectedlevels?c) Aredataappliedproperlywithintheassessmentmodel?d) Areinputdataseriesreliableandsufficienttosupporttheassessmentapproachand

findings?12. Evaluateanddiscussthestrengthsandweaknessesofthemethodsusedtoassessthestock,

takingintoaccounttheavailabledata,andconsideringthefollowing:a) Aremethodsscientificallysoundandrobust?

Page 45: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

b) Areassessmentmodelsconfiguredproperlyandusedconsistentwithstandardpractices?

c) Arethemethodsappropriatefortheavailabledata?13. Evaluatetheassessmentfindingsandconsiderthefollowing:

a) Areabundance,exploitation,andbiomassestimatesreliable,consistentwithinputdataandpopulationbiologicalcharacteristics,andusefultosupportstatusinferences?

b) Isthestockoverfished?Whatinformationhelpsyoureachthisconclusion?c) Isthestockundergoingoverfishing?Whatinformationhelpsyoureachthisconclusion?d) Isthereaninformativestockrecruitmentrelationship?Isthestockrecruitmentcurve

reliableandusefulforevaluationofproductivityandfuturestockconditions?e) Arethequantitativeestimatesofthestatusdeterminationcriteriaforthisstock

reliable?Ifnot,arethereotherindicatorsthatmaybeusedtoinformmanagersaboutstocktrendsandconditions?

14. Evaluatethestockprojections,includingdiscussingstrengthsandweaknesses,andconsiderthefollowing:

a) Arethemethodsconsistentwithacceptedpracticesandavailabledata?b) Arethemethodsappropriatefortheassessmentmodelandoutputs?c) Aretheresultsinformativeandrobust,andaretheyusefultosupportinferencesof

probablefutureconditions?d) Arekeyuncertaintiesacknowledged,discussed,andreflectedintheprojectionresults?

15. Considerhowuncertaintiesintheassessment,andtheirpotentialconsequences,areaddressed.a) Commentonthedegreetowhichmethodsusedtoevaluateuncertaintyreflectand

capturethesignificantsourcesofuncertaintyinthepopulation,datasources,andassessmentmethods.

b) Ensurethattheimplicationsofuncertaintyintechnicalconclusionsareclearlystated.16. ConsidertheresearchrecommendationsprovidedbytheDataandAssessmentworkshopsand

makeanyadditionalrecommendationsorprioritizationswarranted.a) Clearlydenoteresearchandmonitoringthatcouldimprovethereliabilityof,and

informationprovidedby,futureassessments.b) ProviderecommendationsonpossiblewaystoimprovetheSEDARprocess.

17. Considerwhetherthestockassessmentconstitutesthebestscientificinformationavailableusingthefollowingcriteriaasappropriate:relevance,inclusiveness,objectivity,transparency,timeliness,verification,validation,andpeerreviewoffisherymanagementinformation.

18. CompareandcontrastassessmentuncertaintiesbetweentheGulfofMexicoandSouthAtlanticstocks.

19. Provideguidanceonkeyimprovementsindataormodelingapproacheswhichshouldbeconsideredwhenschedulingthenextassessment.

20. PrepareaPeerReviewSummarysummarizingthePanel’sevaluationofthestockassessmentandaddressingeachTermofReference.Developalistoftaskstobecompletedfollowingtheworkshop.CompleteandsubmitthePeerReviewSummaryReportinaccordancewiththeprojectguidelines.

Page 46: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Annex3:TentativeAgenda

SEDAR41SouthAtlanticRedSnapperandGrayTriggerfishAssessmentReviewWorkshop

Charleston,SC

March15-18,2016

Tuesday

8:30a.m. Convene 8:30a.m.–9:00a.m. IntroductionsandOpeningRemarks

-AgendaReview,TOR,TaskAssignmentsCoordinatorChair

9:00a.m.–12:00p.m. AssessmentPresentationandDiscussion(RS*)

TBD

12:00p.m.–1:30p.m. LunchBreak 1:30p.m.-3:30p.m. PanelDiscussion

-AssessmentData&Methods-Identifyadditionalanalyses,sensitivities,corrections

Chair

3:30p.m.–3:45p.m. Break 3:30p.m.-5:00p.m. PanelDiscussion

-ContinuedeliberationsChair

5:00p.m.–6:00p.m. PanelWorkSession Chair

TuesdayGoals:InitialRS*presentationcompleted,sensitivitiesandmodificationsidentified.

Wednesday

Tuesday

8:30a.m.–12:00p.m. AssessmentPresentationandDiscussion(GTF**)

TBD

12:00p.m.–1:30p.m. LunchBreak

1:30p.m.-3:30p.m. PanelDiscussion-AssessmentData&Methods-Identifyadditionalanalyses,sensitivities,corrections

Chair

3:30p.m.–3:45p.m. Break 3:30p.m.-5:00p.m. PanelDiscussion

-ContinuedeliberationsChair

5:00p.m.–6:00p.m. PanelWorkSession Chair

Page 47: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

WednesdayGoals:InitialGTF**presentationcompleted,sensitivitiesandmodificationsidentified.

Thursday

8:30a.m.–12:00p.m. PanelDiscussion-Reviewadditionalanalyses,sensitivities

Chair

12:00p.m.–1:30p.m. LunchBreak

1:30p.m.-3:30p.m. PanelDiscussion-Continuedeliberations

Chair

3:30p.m.–3:45p.m. Break 3:45p.m.-5:00p.m. PanelDiscussion

-ConsensusrecommendationsandcommentsChair

5:00p.m.–6:00p.m. PanelWorkSession Chair

ThursdayGoals:Finalsensitivitiesidentified,preferredmodelsselected,projectionapproachesapproved,Summaryreportdraftsbegun.

Friday

8:30a.m.–10:30a.m. PanelDiscussion-Reviewadditionalanalyses,finalsensitivities-Projectionsreviewed.

Chair

10:30a.m.–10:45a.m. Break

10:45a.m.-1:00p.m. PanelDiscussionorWorkSession-Continuedeliberations

Chair

3:30p.m.–3:45p.m. Break 3:30p.m.-5:00p.m. PanelDiscussion

-ReviewConsensusReportsChair

1:00p.m. ADJOURN

FridayGoals:Completeassessmentworkanddiscussions.Finalresultsavailable.DraftSummaryReportreviewed.

*RS=SouthAtlanticredsnapper**GTF=SouthAtlanticgraytriggerfish

Page 48: 2016 05 Smith SEDAR 41 review workshop report...The Monte Carlo Bootstrap (MCB) evaluations of uncertainty and projections for the red snapper new ... Data uncertainties were discussed

Appendix3:PanelMembership

Appointee Function AffiliationLuizBarbieri ReviewPanelChair SAFMCSSCSteveCadrin Reviewer SAFMCSSCChurchillGrimes Reviewer SAFMCSSCMikeArmstrong Reviewer CIEStephenSmith Reviewer CIEJonHelgeVolstad Reviewer CIE