fish passage progress/challenges · fish passage returning adults: •enter river •collected in...
TRANSCRIPT
![Page 1: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/1.jpg)
Fisheries
Matt Peter Natural Resources Biologist
Fish Passage – Progress/Challenges
![Page 2: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/2.jpg)
Rear for 1 month to 2 years
Hold adults 1 to 6 months
Take eggs Incubate 3 months
Ocean (1 to 3 years)
PROGRAM
COMPONENTS
![Page 3: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/3.jpg)
Fish Passage Returning adults:
• Enter river
• Collected in Adult Trap at base of Cushman No. 2 Dam
![Page 4: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/4.jpg)
Fish Passage Returning adults
• Enter river
• Collected in Adult Trap at base of Cushman No. 2 Dam
Outmigrating juveniles
• Collected in Juvenile Fish Collector on Lake Cushman
• Trucked downstream and released at base of Cushman No. 2 Dam
![Page 5: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/5.jpg)
Juvenile Fish Passage
Juvenile Fish Collector
In operation since 2015
![Page 6: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/6.jpg)
Juvenile Fish Collector
• 250 cfs
• Trap and haul system
• Only viable downstream passage from Lake Cushman
![Page 7: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/7.jpg)
Juvenile Fish Passage
Juvenile Fish Collector
• System Survival
• Fish Collection Efficiency
![Page 8: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/8.jpg)
Juvenile Fish Passage - Monitoring System Survival
• Survival from release at head of reservoir to below Cushman No. 2 Dam
• Performance goal of 95% (minimum 75%)
System Survival (%) Coho Sockeye
2015 18 -- 2016 18 -- 2017 31 -- 2018 48 35
2019* -- 24 *Preliminary
![Page 9: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/9.jpg)
Juvenile Fish Passage - Monitoring
Fish Collection Efficiency
• % of fish that approach the Juvenile Fish Collector that subsequently enter
• Performance goal of 95%
Fish Collection Efficiency (%)
Coho Sockeye
2015 33 -- 2016 37 -- 2017 54 --
2018 61 40 2019* -- 36 *Preliminary
![Page 10: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/10.jpg)
Discovery Zone* Entrance Zone
Retention Zone
*Not to scale
Pre-retention Zone
Behavioral Patterns
Entrance Efficiency
NTS Transition
Pre-retention Efficiency
Retention Efficiency
![Page 11: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/11.jpg)
# Release
d
Discovery Efficiency
(%)
Entrance Efficiency
(%)
NTS Transition
(%) Pre-retention Efficiency (%)
Retention Efficiency
(%) FCE (%)
2015 241 74.7 -- -- -- -- 32.9
2016 235 85.9 61.8 -- -- 88.5 36.5
2017 243 77.1 88.1 85.7 69.3 93.0 54.0 2018 Coho 77 80.5 92.7 90.3 87.0 89.0 61.4 2018 Sockeye 188 100 93.1 91.2 87.5 57.2 40.5
2019* 258 72.9 53.2 76 40.9 97.4 38.3
Behavioral Patterns
*Preliminary
![Page 12: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/12.jpg)
Behavioral Patterns
![Page 13: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/13.jpg)
# Release
d
Discovery Efficiency
(%)
Entrance Efficiency
(%)
NTS Transition
(%) Pre-retention Efficiency (%)
Retention Efficiency
(%) FCE (%)
2015 241 74.7 -- -- -- -- 32.9
2016 235 85.9 61.8 -- -- 88.5 36.5
2017 243 77.1 88.1 85.7 69.3 93.0 54.0 2018 Coho 77 80.5 92.7 90.3 87.0 89.0 61.4 2018 Sockeye 188 100 93.1 91.2 87.5 57.2 40.5
2019* 258 72.9 53.2 76 40.9 97.4 38.3
Behavioral Patterns
*Preliminary
![Page 14: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/14.jpg)
Discovery Zone* Entrance Zone
Retention Zone
*Not to scale
Pre-retention Zone
Behavioral Patterns
Entrance Efficiency
NTS Transition
Pre-retention Efficiency
Retention Efficiency
![Page 15: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/15.jpg)
#
Released
Discovery Efficiency
(%)
Entrance Efficiency
(%)
NTS Transition
(%) Pre-retention Efficiency (%)
Retention Efficiency
(%) FCE (%)
2015 241 74.7 -- -- -- -- 32.9
2016 235 85.9 61.8 -- -- 88.5 36.5
2017 243 77.1 88.1 85.7 69.3 93.0 54.0 2018 Coho 77 80.5 92.7 90.3 87.0 89.0 61.4 2018 Sockeye 188 100 93.1 91.2 87.5 57.2 40.5
2019* 258 72.9 53.2 76 40.9 97.4 38.3
Behavioral Patterns
*Preliminary Mean fork length and weight at release Coho: 138.4 mm, 30.7 g Sockeye: 172.3 mm, 48.4 g
Predation?
![Page 16: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/16.jpg)
Juvenile Fish Passage
Potential Next Steps
• Improve conditions in pre-retention zone
• Evaluate predation near and within the collector
• Evaluate impact of sockeye life history strategies on FCE and SS
![Page 17: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/17.jpg)
Adult Returns Adult Fish Trap
• Base of Cushman Dam No. 2
• In operation since 2015
![Page 18: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/18.jpg)
Adult Returns Adult Fish Trap
Brood collection is up despite poor performance
• Low Retention Efficiency
Evaluating options for improvement
![Page 19: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/19.jpg)
Adult Returns
![Page 20: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/20.jpg)
Adult Fish Passage • Cushman No. 2 Dam
Powerhouse Tailrace Monitoring
Cushman Powerhouse No. 2 Tailrace
![Page 21: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/21.jpg)
Adult Fish Passage • Cushman No. 2
Powerhouse Tailrace Monitoring
![Page 22: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/22.jpg)
Adult Fish Passage • Little Falls
Little Falls
![Page 23: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/23.jpg)
Adult Fish Passage • Little Falls
![Page 24: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/24.jpg)
Rear for 1 month to 2 years
Hold adults 1 to 6 months
Take eggs Incubate 3 months
Ocean (1 to 3 years)
PROGRAM
COMPONENTS
![Page 25: Fish Passage Progress/Challenges · Fish Passage Returning adults: •Enter river •Collected in Adult Trap at base of Cushman No. 2 Dam](https://reader036.vdocuments.us/reader036/viewer/2022081613/5fbeff8740f4a94cd82710cc/html5/thumbnails/25.jpg)
Questions?