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Filtering by: Subject Pacific salmon fisheries--Alaska Decade 1940-1949 Subject Chinook salmon -- Columbia River

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