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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:: EFFECTS ON SALMON POPULATIONS of the PARTIAL ELIMINATION OF FIXED FISHING GEAR ON THE COLUMBIA RIVER IN

The salmon runs of the Columbia River in 1938

Creator:: Rich, Willis H. (Willis Horton), 1885-1972 and Oregon. Fish Commission
Abstract:: Exceptional data are available for the study of the salmon runs of the Columbia River in 1938. Detailed figures on catch were supplied by Oregon and Washington in such form that they could readily be combined with the counts at Bonneville Dam to provide a basis for estimating the escapement....
Resource Type:: Technical Report
Full Text:: Columbia River salmon fishery__ 104 Intensity of fishing in general_ _ _ _ 130 Data for the runs of 1938

A study of commercial fishing operations on the Columbia river

Creator:: Oregon State Planning Board
Resource Type:: Technical Report
Full Text:: OPERATIONS ON THE COLUMBIA RIVER AUGUST 1938 f A STUDY OF COMMERCIAL FISHING OPERATIONS ON THE

Survey of some sloughs of the lower Columbia River

Creator:: Oregon. Fishery Division and Fies, Ted T.
Resource Type:: Book

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:: Oregon Contribution No. 3 The Present State of the Columbia River Salmon Resources by WILLIS H. RICH

An application of the control chart method to the analysis of fisheries data

Creator:: Rich, Willis H. (Willis Horton), 1885-1972 and Oregon. Fish Commission
Abstract:: In a paper now in press as a Bulletin of the U. S. Fish and Wildlife Services the writer has discussed the downward trend of the catch of Columbia River Chinook salmon since 1920 and has stated that the decline is doubtless an indication that the runs of this species...
Resource Type:: Technical Report
Full Text:: Services the writer has discussed the downward trend of the catch of Columbia River Chinook salmon since

The future of the Columbia River salmon fisheries

Creator:: Rich, Willis H. (Willis Horton), 1885-1972 and Oregon. Fish Commission
Abstract:: The salmon runs of the Columbia River constitute one of the most important natural resources of the states of Oregon and Washington. Thousands of people are dependent, wholly or in part, upon these resources for their livelihood; and their welfare is dependent upon the maintenance of the salmon runs. It...
Resource Type:: Technical Report
Full Text:: Oregon Contribution No. 6 The Future of the Columbia River Salmon Fisheries by WILLIS H. RICH (From

Salmon and the Columbia River system

Creator:: Barron, James C., Thorgaard, Gary H., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, and United States. Department of Agriculture
Abstract:: Published April 1991. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: , James C. Salmon and the Columbia River system A 00 00 30 5 8 39 5 57 SALMON (lAND THE )- COLUMBIA A

Year-class regulation of mid-upper Columbia River spring Chinook salmon Oncorhynchus tshawytscha : the role of juvenile size, growth, and migratory behavior

Creator:: Tomaro, Londi M.
Abstract:: Early ocean residence is assumed to be a critical period for juvenile Pacific salmon Oncorhynchus spp. However, the specific mechanisms influencing growth and survival in the ocean have not been identified for most populations. Therefore, three hypotheses regarding the relationship between early marine residence and subsequent survival of mid-upper Columbia...
Resource Type:: Masters Thesis
Full Text:: : Year-class Regulation of Mid-upper Columbia River Spring Chinook Salmon Oncorhynchus tshawytscha: The

Changes in size and age at maturity of Columbia River upriver bright fall chinook salmon (Oncorhynchus tshawytscha) : implications for stock fitness, commercial value, and management

Creator:: Beaty, Roy E.
Abstract:: The average size and age of chinook salmon (Oncorhynchus tshawytscha) caught in commercial fisheries along the Pacific Coast of North America have decreased substantially in this century. These declines might be caused in part by changes in size and age at maturity within the stocks contributing to those fisheries. Upriver...
Resource Type:: Masters Thesis
Full Text:: Columbia River Upriver Bright Fall Chinook Salmon (Oncorhynchus tshawytscha): Implications for Stock

ScholarsArchive@OSU

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

The salmon runs of the Columbia River in 1938

A study of commercial fishing operations on the Columbia river

Survey of some sloughs of the lower Columbia River

The present state of the Columbia River salmon resources

An application of the control chart method to the analysis of fisheries data

The future of the Columbia River salmon fisheries

Salmon and the Columbia River system

Year-class regulation of mid-upper Columbia River spring Chinook salmon Oncorhynchus tshawytscha : the role of juvenile size, growth, and migratory behavior

Changes in size and age at maturity of Columbia River upriver bright fall chinook salmon (Oncorhynchus tshawytscha) : implications for stock fitness, commercial value, and management

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