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Filtering by: Creator Chapman, Donald Wallace Creator Chapman, Wilbert Mcleod, 1910 1970

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:

THE COLUMBIA RIVER IN 1935 D. R. JOHNSON, W. M. CHAPMAN AND R. W. SCHONING OREGON FISH COMMISSION