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Green Green Infrastructure Infrastructure
Network Design Network Design AnalysisAnalysis
Beaufort County, North Beaufort County, North CarolinaCarolina
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Leadership ForumLeadership Forum GovernmentGovernment
Local- Beaufort County Land ManagementLocal- Beaufort County Land Management State- NCDENR, NC Division of Marine Fisheries, State- NCDENR, NC Division of Marine Fisheries,
NC Wildlife Resources CommissionNC Wildlife Resources Commission Federal- NRCS, USACE, USGS, Forest Service, Federal- NRCS, USACE, USGS, Forest Service,
EPA, NOAAEPA, NOAA Non-profits- TNC, local land trustsNon-profits- TNC, local land trusts For profit- special interest groups, For profit- special interest groups,
developersdevelopers Academic- universities, scientists, Sea GrantAcademic- universities, scientists, Sea Grant Tribal/IndigenousTribal/Indigenous
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ObjectivesObjectives
Develop or identify wetlands Develop or identify wetlands dataset that categorize high dataset that categorize high priority wetlands and determine priority wetlands and determine acres of high priority wetlands in acres of high priority wetlands in Beaufort CountyBeaufort County
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ObjectivesObjectives
Work with research scientists to Work with research scientists to determine reasonable buffer determine reasonable buffer zone around high priority zone around high priority wetlands interlinking corridors wetlands interlinking corridors between those wetlandsbetween those wetlands
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ObjectivesObjectives
Determine significant Determine significant landowners within buffer zone landowners within buffer zone and establish agreements to and establish agreements to protect those properties or protect those properties or minimize impactminimize impact
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ObjectivesObjectives Educate and assist private Educate and assist private
landowners and developers to landowners and developers to protect and/or mitigate impact to protect and/or mitigate impact to adjacent high priority wetlandsadjacent high priority wetlands
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ObjectivesObjectives
Assess potential private Assess potential private properties that could beproperties that could be acquired acquired for additional wetlands for additional wetlands protectionprotection
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Data Quality AssessmentData Quality Assessment
Reviewed metadataReviewed metadata ProjectionProjection DateDate SourceSource ScaleScale Coverage AreaCoverage Area RelevanceRelevance
Assumptions: The data we have is the Assumptions: The data we have is the best data availablebest data available
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Data UsedData Used
NC Counties- NC Counties- NC Center for Geographic NC Center for Geographic Information and AnalysisInformation and Analysis
WetlandRatings- WetlandRatings- NC Division of Coastal NC Division of Coastal ManagementManagement
NC_MajorHydro- NC_MajorHydro- NC Center for Geographic NC Center for Geographic Information and AnalysisInformation and Analysis
Conservation Lands- Conservation Lands- NC Center for NC Center for Geographic Information and AnalysisGeographic Information and Analysis
Natural Heritage Areas- Natural Heritage Areas- NCDENRNCDENR Parcels_gt20ac- Parcels_gt20ac- Conservation Fund/Worldview Conservation Fund/Worldview
SolutionsSolutions
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AnalysisAnalysis
Determine extentDetermine extent 5 mile buffer around Beaufort County5 mile buffer around Beaufort County
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AnalysisAnalysis
Question 1- How many acres of Question 1- How many acres of “high priority wetland resources” “high priority wetland resources” currently exist in the county?currently exist in the county?
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AnalysisAnalysis
Question 1- How many acres of “high Question 1- How many acres of “high priority wetland resources” currently priority wetland resources” currently exist in the county?exist in the county? Determine high priority wetlands using Determine high priority wetlands using
WetlandRatings dataset WetlandRatings dataset 3 ratings- Beneficial Significance, Substantial 3 ratings- Beneficial Significance, Substantial
Significance, Exceptional SignificanceSignificance, Exceptional Significance Based on water quality, hydrology, and habitatBased on water quality, hydrology, and habitat Chose “Exceptional” from WetlandRatings Chose “Exceptional” from WetlandRatings
datasetdataset
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AnalysisAnalysis
Question 1- How many acres of Question 1- How many acres of “high priority wetland resources” “high priority wetland resources” currently exist in the county?currently exist in the county? Calculate acreage of high priority Calculate acreage of high priority
wetlandswetlands
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AnalysisAnalysis
Question 1- How many acres of Question 1- How many acres of “high priority wetland resources” “high priority wetland resources” currently exist in the county?currently exist in the county? Calculate acreage of high priority Calculate acreage of high priority
wetlandswetlands51,591 acres51,591 acres
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AnalysisAnalysis Question 1- How many acres of “high Question 1- How many acres of “high
priority wetland resources” currently priority wetland resources” currently exist in the county?exist in the county? Buffer high priority wetlands 100 feet- to Buffer high priority wetlands 100 feet- to
reduce edge effectreduce edge effect
Calculate acreage of high priority wetlandsCalculate acreage of high priority wetlands
Group adjacent high priority wetlands Group adjacent high priority wetlands togethertogether
51,591 acres51,591 acres
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AnalysisAnalysis
Question 2- Where should the county Question 2- Where should the county develop a “wetlands protection develop a “wetlands protection overlay zone” to guide future overlay zone” to guide future development?development?
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AnalysisAnalysis
Question 2- Where should the county Question 2- Where should the county develop a “wetlands protection develop a “wetlands protection overlay zone” to guide future overlay zone” to guide future development?development?
Create HubsCreate Hubs Identify adjacent wetlands to includeIdentify adjacent wetlands to include
Adjacent priority 2 wetlands (“Substantial”) that Adjacent priority 2 wetlands (“Substantial”) that are also greater than 125 acresare also greater than 125 acres
Adjacent already preserved lands Adjacent already preserved lands Conservation landsConservation lands Natural Heritage AreasNatural Heritage Areas
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AnalysisAnalysis
Question 2- Where should the Question 2- Where should the county develop a “wetlands county develop a “wetlands protection overlay zone” to guide protection overlay zone” to guide future development?future development?
Merge important adjacent wetlands Merge important adjacent wetlands with high priority wetland coreswith high priority wetland cores Reclassify NoData to 1Reclassify NoData to 1 Raster Calculator- Single Map Algebra Raster Calculator- Single Map Algebra
(Addition)(Addition)
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AnalysisAnalysis
Question 3- Which land parcels are Question 3- Which land parcels are most important for continued most important for continued protection of the county’s wetland protection of the county’s wetland systems?systems?
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AnalysisAnalysis
Question 3- Which land parcels are Question 3- Which land parcels are most important for continued most important for continued protection of the county’s wetland protection of the county’s wetland systems?systems? Identify land parcels to include in hubIdentify land parcels to include in hub
Parcels that intersect any portion of hubParcels that intersect any portion of hub Determine the percent acreage of each Determine the percent acreage of each
parcel that is covered by the core and hub - parcel that is covered by the core and hub - Zonal Statistics, Join tablesZonal Statistics, Join tables
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AnalysisAnalysis
Question 3- Which land parcels are Question 3- Which land parcels are most important for continued most important for continued protection of the county’s wetland protection of the county’s wetland systems?systems? Suitability Analysis- Rank parcels based Suitability Analysis- Rank parcels based
on location (core and hub) and ownershipon location (core and hub) and ownership OwnershipOwnership
State, county, city- 1State, county, city- 1 Forest, real estate- 2Forest, real estate- 2 Mining, private-3Mining, private-3
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AnalysisAnalysis
Question 3- Which land parcels are Question 3- Which land parcels are most important for continued most important for continued protection of the county’s wetland protection of the county’s wetland systems?systems? Suitability Analysis- Rank parcels based on Suitability Analysis- Rank parcels based on
location (core and hub) and ownershiplocation (core and hub) and ownership Core and Hub percentagesCore and Hub percentages
100%- 1100%- 1 75%-275%-2 50%-350%-3 25%-425%-4
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AnalysisAnalysis
Question 3- Which land parcels are Question 3- Which land parcels are most important for continued most important for continued protection of the county’s wetland protection of the county’s wetland systems?systems? Suitability Analysis- Rank parcels based Suitability Analysis- Rank parcels based
on location (core and hub) and on location (core and hub) and ownershipownership Added Core percentage, Hub percentage, Added Core percentage, Hub percentage,
and ownership valuesand ownership values
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Very High Very High 91 Parcels – 25186 91 Parcels – 25186 acresacres
High High 319 Parcels – 74572 319 Parcels – 74572 acresacres
MediumMedium 211 Parcels – 33846 211 Parcels – 33846 acresacres
Low Low 1612 Parcels – 143582 1612 Parcels – 143582 acresacres
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Future analysisFuture analysis
Rivers and lower priority wetlands- Rivers and lower priority wetlands- very important for corridor analysisvery important for corridor analysis