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2 November 2015
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
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
A spillway weir provides surface passage for fish at McNary Dam
Facility improvement
Fish-‐friendly turbines at Bonneville Dam
Facility improvement
Fish passage facilities: 16 fishways at 8 dams
Fish passages
4 fishways at Bonneville Dam(1930)
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
Juvenile transportation
Effects
0.0
0.5
1.0
1.5
2.0
2.5
1938
1940
1942
1944
1946
1948
1950
1952
1954
1956
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1962
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1968
1970
1972
1974
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1978
1980
1982
1984
1986
1988
1990
1992
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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
Cost: At just the Federal Columbia/Snake River hydropower projects:~ 700 million US$ are spent annually on fish and wildlife mitigation measures.
Thank You
Question or comment?
Dr. Xuezhong Yu Senior Hydro-‐Environmental Scientist
Ecofish Research Ltd. [email protected]