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Filtering by: In Series Contribution (Oregon. Fish Commission) Subject Pacific salmon -- Columbia River

The effects on salmon populations of the partial elimination of fixed fishing gear on the Columbia River in 1935

Creator:

Johnson, Donald R., Chapman, Wilbert McLeod, 1910-1970, Schoning, Robert W., and Oregon. Fish Commission

Abstract:

1. Six major types of commercial gear have been used to take salmon and steelhead on the Columbia River; namely, gill nets, set nets, seines, traps, fish wheels and dip nets. 2. The five important commercial species in the Columbia River are chinook, silver, blueback and chum salmon and steelhead...

Resource Type:

Technical Report

Full Text:

■ •■• 1 H=143-yry.1■,..1•••,1 I SHELLPISH LABORATORY OREGON FISH COMMISSION 220 S. W. BAY EILVM
The present state of the Columbia River salmon resources

Creator:

Rich, Willis H. (Willis Horton), 1885-1972 and Oregon. Fish Commission. Research Department

Abstract:

The salmon of the Columbia River have supported an intensive fishery for over seventy years but are now showing unmistakable signs of depletion, and various factors are contributing to the rapid progress of this condition. Five species of fish enter into the commercial fishery on the Columbia River itself. These...

Resource Type:

Technical Report

Full Text:

. Bull. U. S. Bur. Fisheries, XLIX. [ Contribution No. 3, Department of Research, Fish Commission of