Lance Clarke, Michael Flesher, Shelby Warren, and Richard Carmichael
Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande...
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Transcript of Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande...
![Page 1: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/1.jpg)
Performance of a New Steelhead Line Derived from Hatchery Parents
Collected in Autumn in the Grande Ronde River
Lance Clarke, Michael Flesher, Shelby Warren, and Richard Carmichael
Oregon Department of Fish and Wildlife
![Page 2: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/2.jpg)
Wallowa Stock Steelhead
Wallowa HatcheryJoseph
La GrandeUnion
Troy
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Wallowa Hatchery Broodstock
• Stock founded from adults collected in spring at Ice Harbor (1976) and Little Goose (1977 & 1978) dams
• Current broodstock sourced from spring returns to hatchery
• Substantial fishery in Grande Ronde basin from Sept.−April
![Page 4: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/4.jpg)
Snake River Hatchery Steelhead Stocks
Lyons Ferry
Dworshak B
Sawtooth
Pahsimeroi
Hells Canyon
Imnaha
Wallowa
Deschutes River basin
![Page 5: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/5.jpg)
Dworshak B
0
Hells Canyon
Imnaha
Lyon’s Ferr
y
Pahsimero
i
Sawtooth
10
20
Wallowa
Average Annual Deschutes River Straying By %
STR
AY R
ATE
Snake River Hatchery Steelhead Stocks
HATCHERY PROGRAM
(Based on 11-24 Years of Data)
Error bars = 1 SE
![Page 6: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/6.jpg)
Objectives
• Create a new hatchery line from Wallowa stock returning to Grande Ronde in autumn. Autumn Line may stray less and improve the autumn fishery.
• Compare performance of Autumn Line with the standard Wallowa Stock.
Is smolt outmigration survival similar? Does the Autumn Line return earlier? Are smolt-to-adult survival rates similar? Does the Autumn Line stray at a lower rate? Are contributions to fisheries different?
![Page 7: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/7.jpg)
• Upon landing, anglers placed hatchery fish in a tube– Oriented fish into flow, held up to 24 h– Fish PIT-tagged, transferred to Wallowa Hatchery, held for
spawning
Broodstock Collection and Handling(Brood Years
2004−2007)
![Page 8: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/8.jpg)
Oregon
Washington
Idaho
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Acclimation Ponds
![Page 10: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/10.jpg)
Juvenile Steelhead Releases
Coded wire tags were implanted into 100K of Autumn Line and Standard Line juveniles for estimating stray rates.
Brood Year
Number PIT tagged
Autumn Standard 2004 3,777 3,7692005 3,567 3,5662006 3,567 3,5862007 3,558 6,914
Gen-eration
F1
2008 F2 3,599 5,203
Number Released
Autumn Standard
170K 373K277K 308K221K 258K140K 345K
129K 241K
F1
F1
F1
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Average Smolt Length and Condition Factor, Brood Years 2004-07
Fork length (mm)Autumn Line, X = 213.6
Standard stock, X = 212.0
Condition Factor
PERC
ENT
OF T
OTAL
Autumn Line, X = 1.03
Standard stock, X = 1.06
0
5
10
15
20
25
120 140 160 180 200 220 240 260 280
0
5
10
15
20
25
0.80 0.90 1.00 1.10 1.20 1.30 1.40
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Survival (± CI)
Autumn Standard
2004 77 (2.1) 77 (3.0)
2005 73 (6.6) 74 (5.3)
2006 71 (22.3) 78 (41.0)
2007 84 (19.3) 84 (13.5)
77% 79%Averages
23.5 (7.0)
21.6 (11.5)
30.8 (6.7)
31.3 (11.3)
Autumn Standard
23.8 (7.6)
22.4 (10.8)30.1 (8.7)
33.1 (12.9)
Brood Year
% OutmigrationTravel Time (d; ± SD)
Juvenile Performance
2008 82 (4.8) 80 (3.9)18.3 (9.7) 17.3 (11.2)
25.1 25.3
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Average Adult Steelhead Return Timing
McNary
Lower Granite
MONTH
PERC
ENT
RECO
VERE
DBonneville
AUTUMN LINESTANDARD STOCK
Average Adult Steelhead Return Timing F1 Generation, (BY 2004-
07)
05
10152025
05
10152025
05
10152025
June July Aug Sept Oct Nov Dec
Aug. 5 Aug. 14
Aug. 31 Sept. 24
Sept. 11 Oct. 6
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McNary
Lower Granite
MONTH
PERC
ENT
RECO
VERE
DBonneville
AUTUMN LINESTANDARD STOCK
F2 Generation Adult Return TimingBY 2008, 1-ocean from BY 2009
June July Aug Sept Oct Nov Dec
05
10152025
05
10152025
05
10152025
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Smolt-to-Adult Survival to Bonneville Dam
0
1
2
3
4
5
6
7
2004 2005 2006 2007 2008
BROOD YEAR
PERC
ENT
SURV
IVAL
Autumn line, F1 generation
Standard stock
68 50 69 62 65 47 211 326 66 82
Autumn line, F2 generation
(significantly different, P = 0.004)
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0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
2004 2005 2006 2007 2008
BROOD YEAR
Smolt-to-Adult Survival to Lower Granite Dam(significantly different, P < 0.001)
PERC
ENT
SURV
IVAL
Autumn line, F1 generation
Standard stockAutumn line, F2 generation
36 26 49 41 43 34 138 189 41 61
![Page 17: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/17.jpg)
0
10
20
30
40
50
60
70
80
90
100
2004 2005 2006 2007
BROOD YEAR
% 1
-OCE
AN A
DU
LTS
Age At ReturnStandard stock
(P = 0.062)Autumn line, F1 generation
![Page 18: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/18.jpg)
0
10
20
30
2004 2005 2006
% S
TRAY
RAT
E IN
DEX
BROOD YEAR
Percent of Steelhead that Strayed
Autumn line, F1 generation Standard stock
2007
239
46 49 14
113
51 32 24
94.0% 76.0% 47.0% 41.0%
And the Percent of Barged Fish
Incomplete Data
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020 20 40
Kilometers
Mouth (RK 0)
Pelton Trap (RK 161)
Sherars Falls (RK 69)
Warm Springs NationalFish Hatchery (RK 154)
Springs
Warm
River Deschutes
River
COLUMBIA RIVERDeschutes River Basin
0
0.5
1.0
FB SP
% RECOVERED ABOVE RK 69
% TRAP RECOVERIESBefore Feb. 1
SP
0.5
1.0
0
Total
FB FBSP
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Run Year Experimental Group
Number Detected at
Sherars Falls
Number Later Detected at McNary or
Above
Percent Later Detected at
McNary or Above
2007-08 Autumn Line 5 0 0
Standard Stock 7 5 71
2008-09 Autumn Line 6 1 17
Standard Stock 3 0 0
2009-10 Autumn Line 19 4 21
Standard Stock 15 2 13
2010-11 Autumn Line 5 2 40
Standard Stock 5 0 0
Total Autumn Line 35 7 20
Total Standard Stock 30 7 23
PIT Tag Detections in Deschutes and at McNary
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Compensation Plan Fisheries
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0
5
10
15
20
25
30
35
40
Sept Oct Nov Dec Jan Feb Feb Mar Apr
PERC
ENT
OF
TOTA
L H
ARVE
ST
Lower Grande Ronde
Autumn lineStandard stock
37 250
184
69 82
266 26
Harvest Timing in the Grande Ronde Basin
MONTH
Wallowa
(run years 2006-07 to 2008-09)
75 152
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Sept Oct Nov Dec Jan Feb Mar AprilMONTH
Autumn line Standard stock
Harvest in the Compensation Area
Error bars = 1 SE
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
No.
HAR
VEST
ED /1
,000
SM
OLT
S
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0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
2004 2005 2006 Average
BROOD YEARNo.
HAR
VEST
ED /1
,000
SM
OLT
SAutumn Line
In OregonAutumn Line
Outside OregonStandard stockOutside Oregon
Standard stockIn Oregon
Harvest Contribution in the Compensation Area
![Page 25: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/25.jpg)
Conclusions
• Autumn Line F1 adults pass Lower Granite Dam earlier, provide increased autumn fishing opportunities in Grande Ronde River. Will F2 and subsequent generations continue to return
earlier?
• Greater Autumn Line survival to adulthood. Is it just because they return at an earlier ocean age? Will the trend continue?
• No apparent straying benefit to Autumn Line. Will stray rates remain low for all release groups? Are there other broodstock, rearing, or release
strategies that can be used to reduce straying.
![Page 26: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/26.jpg)
Future Plans for the Autumn Line1. Brood Year 2012: Increase smolt production to 240,000 smolts (30%
of entire Wallowa stock production). Maintain current marking and tagging to assess whether F3 generation performs similarly to F1 generation.
2. Brood Year 2013 and beyond: Increase Autumn Line production to 320,000 smolts in BY 2013, 400,000 smolts in BY 2014. Releasing both lines would benefit autumn and spring fishing periods, provided future generations perform similarly to the F1 generation. Autumn Line may require occasional refreshing with new broodstock collected via angling in the Grande Ronde in autumn. During this time, straying information from F1 and F2 generations will continue to be collected and assessed. The ability of the hatchery to concurrently spawn, rear, and release Autumn Line and standard production groups (each consisting of 400,000 smolts) will impact future decisions.
![Page 27: Performance of a New Steelhead Line Derived from Hatchery Parents Collected in Autumn in the Grande Ronde River Lance Clarke, Michael Flesher, Shelby Warren,](https://reader036.fdocuments.us/reader036/viewer/2022062401/5a4d1b8b7f8b9ab0599bec17/html5/thumbnails/27.jpg)
Acknowledgements• Many thanks to the 192 anglers and
volunteers for:– 7,000 hours– 111,000 miles of travel– 2500 meals served
• ODFW Wallowa Hatchery and NE Region fish liberation staff
• Rick Madigan – Wenaha Wildlife Area• Volunteers from local state and tribal
agencies