Preliminary report on estimated marine mammal mortality in Columbia River and and winter salmon gillnet fisheries, 1991-1992

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Published 1993 by Columbia River Area Marine Mammal Observer Program in Astoria, OR .
Written in

Subjects:

• Marine mammals -- Effect of fishing on -- Columbia River.,
• Marine mammals -- Mortality -- Columbia River.,
• Bycatches (Fisheries) -- Columbia River.,
• Pacific salmon fisheries -- Environmental aspects -- Columbia River.,
• Gillnetting -- Environmental aspects -- Columbia River.

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Edition Notes

Statement	prepared by Robin F. Brown, Steven J. Jeffries.
Contributions	Jeffries, Steven., Columbia River Area Marine Mammal Observer Program.
The Physical Object
Pagination	[i], 13 leaves ;
Number of Pages	13
ID Numbers
Open Library	OL16154409M

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