Freshwater aspects of anadromous salmonid enhancement
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Abstract
Freshwater enhancement of anadromous salmonid populations has been practiced in the United States and Canada since the late 1800's. Reduction of natural spawning habitat and increasing fishing pressure make artificial enhancement a possible alternative to declining populations.
Enhancement of anadromous salmonids involved improvement of the natural environment and reducing natural mortality. Methods of enhancement include fishways, spawning and rearing channels, stream rehabilitation, lake fertilization, environmental management, and artificial propagation techniques.
Five Pacific salmon species and steelhead trout are commonly enhanced, primarily in watershed entering the Pacific Ocean and Great Lakes. Enhancement efforts contribute heavily to a commercial and sport industry realizing over $1.5 billion.
| Publication type | Report |
|---|---|
| Publication Subtype | Federal Government Series |
| Title | Freshwater aspects of anadromous salmonid enhancement |
| Series title | NOAA Technical Report NMFS Circular |
| Series number | 447 |
| Year Published | 1982 |
| Language | English |
| Publisher | National Marine Fisheries Service |
| Publisher location | Silver Spring, MD |
| Contributing office(s) | Leetown Science Center |
| Description | 2 p. |
| Larger Work Type | Report |
| Larger Work Subtype | Federal Government Series |
| Larger Work Title | Proceedings of the the eighth U.S.-Japan meeting on aquaculture at Bellingham, Washington, October 17-18, 1979 |
| First page | 21 |
| Last page | 22 |
| Google Analytic Metrics | Metrics page |