Yakima River Fall Chinook Yakima River Fall Chinook Supplementation 2009-10Supplementation 2009-10

Melinda Davis Melinda DavisYakama Nation, YKFP Yakama Nation, YKFP

ObjectivesObjectives To supplement and enhance existing stocks of Yakima

River fall Chinook, while preserving the stock characteristics and fitness of targeted stocks and keeping ecological and genetic impacts to not-target species within specified limits.

Yakima River Releases 99-10Released LWH

YakimaSub-Year

YakimaYearling Marion Billys Stiles Skov TOTAL

1999 1,690,000 192,000           1,882,000

2000 1,695,037 306,000   16,000       2,017,037

2001 1,699,136 427,753   12,000       2,138,889

2002 1,704,348 286,158   4,000       1,994,506

2003 1,771,129 365,409   18,000       2,154,538

2004 1,748,200 561,385   52,223       2,361,808

2005 1,700,000 466,000   41,000 75,000 38,890   2,320,890

2006 1,683,664 130,002   2,000   118,835   1,934,501

2007 1,700,000 50,000   15,731 5,000 75,000   1,845,731

2008 789,993 14,069 1,833 5,253 11,308 72,296 5,417 900,169

2009 1,647,275 299,574 7,516 24,245   180,911   2,159,521

2010 1,680,045 290,282 12,167 22,945   200,747   2,206,186

                 

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

1999 2000 2001 2002 2003 2004 2005

Outmigration Year

Smol

t-to-

Smol

t Sur

viva

l

Accelerated Conventional Marion

Fall Chinook Survival to McNary Dam (Neeley, 2005)

* Brood-years 1998-2004, respectively. ** Main-Stem-Yakima Stock under Accelerated Rearing, Main-Stem-Yakima Stock under Conventional Rearing, and Marion Drain Stock

Yakima River Releases 99-10Released LWH

YakimaSub-Year

YakimaYearling Marion Billys Stiles Skov TOTAL

1999 1,690,000 192,000           1,882,000

2000 1,695,037 306,000   16,000       2,017,037

2001 1,699,136 427,753   12,000       2,138,889

2002 1,704,348 286,158   4,000       1,994,506

2003 1,771,129 365,409   18,000       2,154,538

2004 1,748,200 561,385   52,223       2,361,808

2005 1,700,000 466,000   41,000 75,000 38,890   2,320,890

2006 1,683,664 130,002   2,000   118,835   1,934,501

2007 1,700,000 50,000   15,731 5,000 75,000   1,845,731

2008 789,993 14,069 1,833 5,253 11,308 72,296 5,417 900,169

2009 1,647,275 299,574 7,516 24,245   180,911   2,159,521

2010 1,680,045 290,282 12,167 22,945   200,747   2,206,186

                 

Yearling vs Sub-yearling (Neeley, 2010)Yearling vs Sub-yearling (Neeley, 2010)

* Prosser Releases** Stiles Release

0.0%

10.0%

20.0%

30.0%

40.0%

50.0%

60.0%

70.0%

80.0%

2007 2008 2009

Surv

ival

Outmigration Year

Figure 1. Release-to-McNary Survival

Little White, SubYearling* Yakima, Sub-Yearling*

Yakima, Yearling* Summer, Sub-Yearling**

65.2%

49.9%

74.3%

28.4%

2,972

0

1,000

2,000

3,000

4,000

5,000

6,000

7,000

Num

ber o

bser

ved

2009 Fall Chinook Returns2009 Fall Chinook Returns

2007 Redd Surveys above2007 Redd Surveys above ProsserProsser

1,1321,132 over Prosser Dam over Prosser Dam

Yakima River- Yakima River- 321 Redds 321 Redds 55.1% Emerald Rd to Granger 55.1% Emerald Rd to Granger (RM70-83)(RM70-83)44.9% Granger to Zillah 44.9% Granger to Zillah (RM83-91)(RM83-91) 0% Zillah to SSD 0% Zillah to SSD (RM91-104)(RM91-104) 0% 0% Union Gap nion Gap (RM107-117)(RM107-117)

Naches River- 0Naches River- 0 Redds Redds Wapatox Dam to Cowiche DamWapatox Dam to Cowiche Dam

2009 Redd Surveys 2009 Redd Surveys aboveabove Prosser Prosser

Yakima River- Yakima River- *218 Redds *218 Redds 22 Emerald Rd to Granger (RM70-83)22 Emerald Rd to Granger (RM70-83)

195 Granger to Zillah (RM83-91)195 Granger to Zillah (RM83-91) 1 Zillah to SSD (RM91-104)1 Zillah to SSD (RM91-104) 0 0 Union Gap (RM107-117)nion Gap (RM107-117)

Naches River- Naches River- 00 Redds Redds Wapatox Dam to Cowiche DamWapatox Dam to Cowiche Dam

2,972 Adults over Prosser Dam

PNL Aerial Surveys 2009PNL Aerial Surveys 2009

  10/18/09 10/24/09 11/9/09 11/14/09

River Segment

HWY 240 bridge to Wanawish Dam 0 0 0 0

Wanawish Dam to Prosser 0 0 13 24

Prosser to Mabton 0 0 0 0

Mabton to Granger 10 35 55 124

Granger to Zillah 41 60 77 248

Zillah to Union Gap 0 41 62 77

Total 51 136 207 473

Marion Drain-Marion Drain- 70 Redds70 Redds34.3% above Hwy 9734.3% above Hwy 9765.7% below Hwy 9765.7% below Hwy 97

*No Surveys conducted in 2000

Marion Drain Fall Chinook Redds

0

20

40

60

80

100

120

Num

ber O

bser

ved

Re-Establishing Summer Re-Establishing Summer Chinook in the Yakima RiverChinook in the Yakima River

Objective: To initiate investigation of the feasibility Objective: To initiate investigation of the feasibility of establishing an early-run fall Chinook population of establishing an early-run fall Chinook population in the Yakima River, with the goals being to:in the Yakima River, with the goals being to:

Develop a naturally spawning adult population in the Develop a naturally spawning adult population in the Yakima River between Sunnyside Dam and Roza Dam, Yakima River between Sunnyside Dam and Roza Dam, and in the lower Naches River from the mouth to the and in the lower Naches River from the mouth to the Tieton River, and,Tieton River, and,

Increase the number of natural-origin returning summer-Increase the number of natural-origin returning summer-run adults in the lower Columbia, Zone 6, and the lower run adults in the lower Columbia, Zone 6, and the lower Yakima River contributing to harvest augmentation for Yakima River contributing to harvest augmentation for both the tribal and sports fishery. both the tribal and sports fishery.

WDFW Wells HatcheryWDFW Wells Hatchery

YN Marion Drain HatcheryYN Marion Drain Hatchery

Summer Chinook ReleaseSummer Chinook Release

N ReleasedN Released CWT onlyCWT only PITPIT ReleaseRelease

20082008 180,911180,911 170,000170,000 30,000 6/12/0930,000 6/12/09

20092009 200,747200,747 170,750170,750 29,997 5/14/1029,997 5/14/10

100% females tested for Virus and BKD100% females tested for Virus and BKDResults: all keepers!Results: all keepers!

Released from Stiles pond, lower Naches River Released from Stiles pond, lower Naches River

Table 1. Fall/Summer Chinook Release-to-McNary Survival Table 2. Fall/Summer Chinook Pre-Release SurvivalRelease Out-Migration Year Pooled*

Stock Age Measure 2007 2008 2009 over YearsLittle White SubYearling Survival 33.8% 47.0% 28.9% 39.2%

Number* 4,142 7,231 3,404 14,777Yakima SubYearling Survival 41.1% 49.9% 28.4% 39.9%

Number* 4,209 6,187 5,777 16,173Yearling Survival 65.2% 74.3% 71.8%

Number* 1,706 4,659 6,365Summer SubYearling Survival 1.8%

Number* 17,054* Weighted by Number Volitionally Released

(Neeley, 2010)(Neeley, 2010)

2010-11 Plans on-going2010-11 Plans on-going Acclimate summer chinook at Stiles pond, Naches River Acclimate summer chinook at Stiles pond, Naches River

~RM 3.4. ~RM 3.4. Continue In-basin Yearling vs. Subyearling releases from Continue In-basin Yearling vs. Subyearling releases from

Prosser Hatchery.Prosser Hatchery. Transfer up to 250,000 summer chinook eggs/milt from Transfer up to 250,000 summer chinook eggs/milt from

Wells Hatchery to Marion Drain Hatchery.Wells Hatchery to Marion Drain Hatchery. Redd Surveys on the Yakima River between Prosser and Redd Surveys on the Yakima River between Prosser and

Roza Dams and lower Naches River.Roza Dams and lower Naches River. Radio Tag Returning Adults at the Prosser DenilRadio Tag Returning Adults at the Prosser Denil Finalize and Submit Fall/Summer Chinook Master Plan for Finalize and Submit Fall/Summer Chinook Master Plan for

approval.approval.

2010-11 Future Plans 2010-11 Future Plans Locate acclimation site in the lower river below Locate acclimation site in the lower river below

Wanawish Dam (Horn Rapids) for out-of-basin fall Wanawish Dam (Horn Rapids) for out-of-basin fall chinook.chinook.

Establish a summer chinook mobile acclimation unit for Establish a summer chinook mobile acclimation unit for use in the Yakima River near Skov Pond ~RM122.use in the Yakima River near Skov Pond ~RM122.

Transistion from using broodstock from the LWS Transistion from using broodstock from the LWS hatchery to Priest Rapids Hatchery, as recommended by hatchery to Priest Rapids Hatchery, as recommended by both USFWS hatchery review and the HSRG.both USFWS hatchery review and the HSRG.

AcknowledgementsAcknowledgementsFall Chinook/Coho:Fall Chinook/Coho: Andrew Lewis, Denny Nagle, Quincy Wallahee, Conan Northwind, Andrew Lewis, Denny Nagle, Quincy Wallahee, Conan Northwind,

Joe Jay Pinkham III, Markeyta Pinkham, Ocha Dittenholler and Gene Sutterlict Jr. Joe Jay Pinkham III, Markeyta Pinkham, Ocha Dittenholler and Gene Sutterlict Jr. who carried out the daily field activities to make it happen. who carried out the daily field activities to make it happen.

YN:YN: Mel Sampson, Dave Fast, Mark Johnston, Todd Newsome, Bill Bosch, Dave Lind, Mel Sampson, Dave Fast, Mark Johnston, Todd Newsome, Bill Bosch, Dave Lind, Doug Neeley, Bill Fiander and Ida Sohappy-IkeDoug Neeley, Bill Fiander and Ida Sohappy-Ike

Prosser and Marion Drain Hatchery:Prosser and Marion Drain Hatchery: Joe Blodgett, Sonny Fiander, Terrace Campo and Joe Blodgett, Sonny Fiander, Terrace Campo and the Hatchery crews.the Hatchery crews.

Chandler Juvenile Monitoring Facility:Chandler Juvenile Monitoring Facility: Leroy Senator, Wayne Smartlowit, Sey Billy, Leroy Senator, Wayne Smartlowit, Sey Billy, Morales Ganuelas, Steve Salinas, Sheila Decoteau, Ray Decoteau and Pharamond Morales Ganuelas, Steve Salinas, Sheila Decoteau, Ray Decoteau and Pharamond Johnson Johnson

BIG THANKSBIG THANKS TO EACH OF YOU! TO EACH OF YOU!

This project is funded by the Bonneville Power Administration and is administered This project is funded by the Bonneville Power Administration and is administered through Patty Smith.through Patty Smith.