lewis river hatchery and supplementation subgroup
DESCRIPTION
The Reintroduction of Late-Run Winter Steelhead into the Upper North Fork Lewis River, Washington, using F1 Wild Broodstock Hatchery Adults. Lewis River Hatchery and Supplementation Subgroup. Rich Turner, NOAA Fisheries Erik Lesko , PacifiCorp Energy - PowerPoint PPT PresentationTRANSCRIPT
Date
The Reintroduction of Late-Run Winter Steelhead into the Upper North Fork Lewis River, Washington, using F1 Wild Broodstock Hatchery Adults
Lewis River Hatchery and Supplementation Subgroup
• Rich Turner, NOAA Fisheries• Erik Lesko, PacifiCorp Energy• Eric Kinne, Washington
Department of Fish And Wildlife
Lewis River Basin
MAP
Dam Relicensing
• Initiated 1995• Settlement Agreement signed
November 2004• Reintroduction of salmon and
steelhead• Fish Passage Facilities• Hatchery upgrades
• 50-year licenses issued July 2008
Late-run Winter Steelhead
• Listed as Threatened• Recovery Goal – Primary
Population• Reintroduction Strategy
• 100% wild-origin broodstock• Program size: 50,000 yearling smolts
• Goal: 800 adults for upstream release
Broodstock Collection• Merwin Trap• Cedar Creek Trap• Tangle Netting – Lower River• Sport Anglers/Guides
Broodstock Collection• Broodstock Goal
• 50 adults to produce 80,000 eggs• 100% genetic analysis
Merwin Trap - 2009
In-River Collection - 2009
03/04/09
03/11/09
03/18/09
03/25/09
04/01/09
04/13/09
04/21/09
04/29/09
04/08/09
05/05/09
05/13/09
05/18/09
05/19/09
05/21/09
05/26/09
0
2
4
6
8
10
12
14
Date of Capture
# o
f St
eelh
ead
Sport Angler Catch - 2009
3/27 3/30 4/13 4/180
1
2
3
4
5
Date of Capture
# o
f St
eelh
ead
2009 Summary
• Collected 74 fish for genetic analysis• 37 males assigned to Lewis River/Cedar
Creek• 12 females assigned to Lewis River /Cedar
Creek• Spawned 12 females and 19 males• Fish on hand – 24K yearlings• All fish are blank wire tagged• Releases are schedule for the end of May
Spawning Crosses and AssignmentsFEMALES MALES
CROSS NUMBER
DNA No. Primary Assignment Area PERCENT ASSIGNMENT Primary Assignment Area DNA No.
1 32 NF LEWIS 100% 99% N FK LEWIS 12
2 32 NF LEWIS 100% 97% N FK LEWIS 28
3 35 NF LEWIS 90% 62% N FK LEWIS 37
4 35 NF LEWIS 90% 99% N FK LEWIS 29
5 63 NF LEWIS 81% 95% CEDAR 40
6 63 NF LEWIS 81% 90% CEDAR 57
7 23 NF LEWIS 99% 82% N FK LEWIS 19
8 23 NF LEWIS 99% 100% N FK LEWIS 39
9 65 NF LEWIS 94% 74% N FK LEWIS 56
10 65 NF LEWIS 94% 58% N FK LEWIS 46
11 66 NF LEWIS 26% 56% CEDAR 17
12 66 CEDAR 72% 93% N FK LEWIS 51
13* 67 KALAMA/summer 97% 89% N FK LEWIS 45
14* 67 KALAMA/summer 97% 96% N FK LEWIS 49
15 68 CEDAR 55% 62% CEDAR 41
16 68 CEDAR 55% 88% CEDAR 55
17 69 MILL CR 78% 58% N FK LEWIS 46
18 69 MILL CR 78% 74% N FK LEWIS 56
19 74 KALAMA 65% 98% N FK LEWIS 25
20 64 CEDAR 85% 96% N FK LEWIS 71
21* 70 SF TOUTLE 55% 93% N FK LEWIS/summer 73
* Indicates fish that were spawned, but fry were released in Battleground Lake.
Source: Eric Kinne, WDFW
Problems and Solutions• Broodstock Collection
– Methods– Seasonal timing
Problems and Solutions• Genetic Assignment
– Time required– Rules for inclusion/exclusion
Problems and Solutions• Spawning Protocols
– Egg loss• Annual Operating Plan
Broodstock Collection Curve
3/27 3/30 4/13 4/180
1
2
3
4
5
Date of Capture
# o
f St
eelh
ead
2010 Collections
• 13 Collected through March 2 • 8 Merwin Trap• 5 Lower River Tangle Net
• Assignments• 8 Lewis River/Cedar Creek• 3 lower River Hatchery, • 1 Kalama, 1 Hood River
Acknowledgements
• Lewis River Hatchery and Supplementation Subgroup
• More Information• 2009 Annual Report: Still in draft, Contact
• 2009 Hatchery and Supplementation Plan: http://www.pacificorp.com/content/dam/pacificorp/doc/Energy_Sources/Hydro/Hydro_Licensing/Lewis_River/200912_LR_Final+HS+PLAN.pdf
Questions