11
2 November 2015

Fish Conservation at Hydropower Projects

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Page 1: Fish Conservation at Hydropower Projects

2  November  2015  

Page 2: Fish Conservation at Hydropower Projects

Regulatory  System  of  Fishes  Conservation  for  Hydro  Development  §  Federal  Law:  Endangered  Species  Act,  ESA  §  Regulatory  Department:  

•  United  States  Fish  and  Wildlife  Service  (USFWS):    Terrestrial  and  fresh  species  

•  National  Oceanic  and  Atmospheric  Administration  Fisheries  (NOAA):  Ocean  and  migratory  species  

§  13  fish  species  listed  in  the  ESA  §  FCRPS  Biological  Opinions:  proposed  by  NOAA  Fishes  and  

implemented  by  FCRPS  §  FCRPS  BiOp:  2008,  2010,  2014  

Page 3: Fish Conservation at Hydropower Projects

Requirements  and  Implementation  

§  Reasonable  and  Prudent  Alternatives  (RPAs)  6  Categories-­‐Strategy-­‐73  Actions  •  Adaptive  Management  Actions  •  Hydro  Actions  •  Habitat  Actions  •  Hatchery  Actions  •  Predation  Management  Actions  •  Research,  Mentoring,  and  Evaluation  Actions  

Page 4: Fish Conservation at Hydropower Projects

A  spillway  weir  provides  surface  passage  for  fish  at  McNary  Dam  

Facility  improvement  

Page 5: Fish Conservation at Hydropower Projects

Fish-­‐friendly  turbines  at  Bonneville  Dam  

Facility  improvement  

Page 6: Fish Conservation at Hydropower Projects

Fish  passage  facilities:  16  fishways  at  8  dams    

Fish  passages  

4  fishways  at  Bonneville  Dam(1930)  

Page 7: Fish Conservation at Hydropower Projects

Fish  passages  Survival  standards  of  fish  passage:  

•  Adult  fish:  90-­‐94%  between  Bonneville  and  Lower  Granite  

•  Rainbow  trout:  90-­‐94%  at  each  dam  •  Juvenile  fish:  96%  in  spring  and  93%  in  summer  at  each  

dam  

Page 8: Fish Conservation at Hydropower Projects

Juvenile  transportation  

Page 9: Fish Conservation at Hydropower Projects

Effects  

0.0

0.5

1.0

1.5

2.0

2.5

1938

1940

1942

1944

1946

1948

1950

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1954

1956

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1962

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1974

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1982

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1990

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1998

2000

2002

2004

2006

2008

2010

2012

106 尾

年份

每年通过数目 10年移动平均

Page 10: Fish Conservation at Hydropower Projects

Cost:  At just the Federal Columbia/Snake River hydropower projects:~ 700 million US$ are spent annually on fish and wildlife mitigation measures.

Page 11: Fish Conservation at Hydropower Projects

Thank  You  

Question  or  comment?  

Dr.  Xuezhong  Yu  Senior  Hydro-­‐Environmental  Scientist  

Ecofish  Research  Ltd.  [email protected]