File:California fish and game (20505571722).jpg

Title: California fish and game
Identifier: californiafishgabien19501952cali2 (find matches)
Year: [1] (s)
Authors: California. Dept. of Fish and Game; California. Fish and Game Commission; California. Division of Fish and Game
Subjects: Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons
Publisher: (San Francisco, etc. ) State of California, Resources Agency, Dept. of Fish and Game
Contributing Library: California Department of Fish and Game
Digitizing Sponsor: Internet Archive

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Clipping a ventral fin from a wild silver salmon fingerling. Note the bobbinet glove covering the thumb and two fingers of the marker. to the hatchery and after the salmon had been marked, they would be released in some stream with an adequate flow of water. The recoveries of marked salmon which were from the 1949 brood year kings should reach their peak in 1953. However, there were a few returns of two-year-olds in 1951, and large quantities of returns of three- year-olds in 1952. It should be possible to make a fairly comprehensive analysis of the mark returns of 1949 brood year salmon after the 1952 season. Additional analyses of this brood year will be required for the 1953 and 1954 returns. In order to obtain reliable figures of the proportion of marked fish in the ocean catch, the Department of Fish and Game has had samplers examining the salmon catch in key fishing ports from Crescent City to Monterey, and in the Sacramento-San Joaquin River fisheries. These men keep records of the numbers of unmarked fish seen, and the numbers of fish with each different mark seen. Scales are taken from all marked fish recovered, and each such fish is measured. The number and weight of fish landed is determined for as many boat landings as is feasible. Length frequency samples are taken at frequent intervals. Scale samples are taken for an age analysis of the salmon. Floods and Droughts A great deal of damage was done to the Central Valley salmon runs by the floods of November, 1950. Many rivers were swollen torrents dur- ing the peak of the salmon spawning season. The fish spawned near the edges of these streams in order to avoid the excessively fast and deep water near midstream. When the floods receded, tens of thousands of

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