Record Display for the EPA National Library Catalog
RECORD NUMBER: 65 OF 100Main Title | Nitrogen supersaturation in the Columbia and Snake Rivers : summary report. | ||||||||||||||||||||||||||
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CORP Author | United States. Environmental Protection Agency. Office of Water Programs. | ||||||||||||||||||||||||||
Publisher | Environmental Protection Agency, Office of Water Programs, Region X, | ||||||||||||||||||||||||||
Year Published | 1971 | ||||||||||||||||||||||||||
Report Number | EPA/910/9-71/003; EPA-OWP-TS-09-70-208-016.1 | ||||||||||||||||||||||||||
Stock Number | PB-254 618 | ||||||||||||||||||||||||||
OCLC Number | 11059040 | ||||||||||||||||||||||||||
Subjects | Water--Pollution ; Nitrogen supersaturation--Columbia River ; Nitrogen supersaturation--Snake River ; Dams--Environmental aspects--Columbia River ; Gas bubble disease in fish ; United States--Columbia River | ||||||||||||||||||||||||||
Additional Subjects | Water pollution ; Nitrogen ; Columbia River ; Snake River ; Dissolved gases ; Animal migrations ; Salmon ; Trout ; Mortality ; Animal diseases ; Supersaturation ; Dams ; Regulations ; Washington(State) ; Water pollution effects(Animals) | ||||||||||||||||||||||||||
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Collation | 11 leaves : map ; 27 cm | ||||||||||||||||||||||||||
Abstract | Evidence strongly indicates that the future of salmon and steelhead in the Columbia and Snake Rivers is seriously jeopardized by high levels of nitrogen supersaturation in these waters during spring fish migration periods. Under present conditions, toxic concentrations of dissolved nitrogen persist from the most upstream dams to the mouth of the Columbia River during periods of spill. The anadromous fish of the Columbia Basin, a major regional and national resource, could be reduced to 10 percent of its present size within three years. The objective of this report is to summarize the major findings and recommendations. |
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Notes | Technical report no. TS 09-70-208-016.1 PB-254618 |
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Contents Notes | Introduction -- Effects on fish -- Causes -- Conclusions -- Recommendations. |