CATHERINE WILLARD AND ALENE UNDERWOOD, CHELAN COUNTY PUBLIC UTILITY DISTRICT

GREG MACKEY AND TOM KAHLER, DOUGLAS COUNTY PUBLIC UTILITY DISTRICT

PETER GRAF AND TODD N. PEARSONS, GRANT COUNTY PUBLIC UTILITY DISTRICT

UPPER COLUMBIA SCIENCE CONFERENCE 2016

Habitat Conservation Plan

Salmon and Steelhead Settlement Agreement

Rocky Reach, Rock Island, and Wells Habitat

Conservation Plan Hatchery Committees

Priest Rapids Coordinating Committee Hatchery Sub-

Committee

Hatchery Program Goals

Program Goal:

“Support the recovery of ESA-listed species by increasing the

abundance of the natural adult population, while ensuring

appropriate spatial distribution, genetic stock integrity, and adult

spawner productivity.”

Wenatchee and Methow spring Chinook

Wenatchee summer steelhead

Methow summer steelhead

Program Goal:

“Increase the abundance of the natural adult population of unlisted

plan species, while ensuring appropriate spatial distribution, genetic

stock integrity, and adult spawner productivity. In addition, provide

harvest opportunities in years when spawning escapement is

sufficient to support harvest.”

Wenatchee and Methow summer/fall Chinook

Hatchery Program Goals

Program Goal:

“Provide salmon for harvest and increase harvest opportunities, while

segregating returning anadromous natural tributary spawning

populations. “

Chelan Falls summer Chinook

Hatchery Program Goals

Permit Requirements and

Hatchery Scientific Review Group

(HSRG) Recommendations

Challenge

Fitness of hatchery fish

Tools

Rearing vessels and size of release

Tools

50%

55%

60%

65%

70%

75%

80%

85%

90%

0%

5%

10%

15%

20%

25%

30%

35%

40%

50 70 90 110 130 150 170 190

Fork length?

Mortality to MCN Mini-jack rate Apparent survival

Tools

Size Target Study

Results

Results

Results

Results

Challenge Straying

From Permit No. 18121, issued by the National Marine Fisheries Service

(NMFS), “Strays should constitute no more than ten percent of the natural

spawning aggregate in Nason, White, or the Little Wenatchee basins and

five percent for populations outside the Wenatchee River basin annually”.

Tools Straying

Acclimation facilities

Chiwawa Acclimation Facility

Challenge

Maximizing proportionate of natural influence

(PNI)

From Permit No. 18121, issued by the National Marine Fisheries Service

(NMFS), “Remove hatchery fish from the Wenatchee River to achieve

Proportionate Natural Influence (PNI) following the sliding scale based on

run size identified in the Wenatchee Spring Chinook Management Plans

and the HGMP.”

Challenge

Maximizing proportionate of natural influence

(PNI)

pNOB = mean proportion of a hatchery broodstock composed of

natural-origin adults

pHOS = mean proportion of natural spawners in a watershed or

stream composed of hatchery-origin adults

Challenge

Ford 2002

Tools

Harvest

Adult Management

Monitoring and Evaluation

•In-hatchery indicators•In-nature indicators•Risk assessment indicators

Adaptive Management

Questions?