. Chasse et pêche de la Californie. Pêche -- Californie ; jeu et jeu-oiseaux -- Californie ; Poissons -- Californie ; groupes de population animale ; pêches ; gibier, poissons. 378 CALIFORNIA FISH AND GAME Pendant la guerre, l'augmentation de la demande de poissons maintenus les prises à un niveau assez élevé, mais la dépression d'après-guerre sur la pêche de la rivière et les prises ont diminué de façon marquée. De 1922 à 1929, le total des captures de poissons d'eau douce de la région du delta de la vallée ont augmenté considérablement. (Voir Fig. 142.) Les prises plus importantes étaient probablement pas le résultat d'une plus grande disponibilité du poisson mais de l'augmentation de dema

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. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 378 CALIFORNIA FISH AND GAME During the war, the increased demand for fish maintained the catch at a fairly high level, but the post-war depression affected the river fisheries and the catch decreased markedly. From 1922 to 1929 the total catch of freshwater fish in the valley-delta area increased considerably. (See Fig. 142.) The larger catches were probably not the result of greater availability of the fish but of the increased demand and correspondingly greater effort on the part of the fishermen. The number of fishermen has not increased in proportion to the rise of the catch, but each fisherman now uses many more nets than he did ten years ago. The recent depression has resulted in a curtailment of fishing effort since 1930 and the catch has slumped to a marked extent.. Fig. 143. The Sacramento River near Courtland, typical catfish water. Photograph by R. S. Croker, April, 1931, The greater part of the catch of freshwater fish in the river dis- trict is composed of catfish. The delicate flavor of this fish is known and appreciated, resulting in a relatively good sale. The towns of the Sacramento-San Joaquin Valley and the San Francisco region are the best markets, but quantities are shipped to Los Angeles. Occasional shipments are still made to the Rocky Mountain States, especially to the cities of Denver, Butte and Salt Lake. Californians prefer the white meat of the fork-tail, whereas the people of the Mountain States prefer the reddish flesh of the square-tail species. The Chinese like the large fish, those over 12 inches long, and prefer to get them alive. The smaller ones, 9 to 12 inches long (7 to 10 inches, dressed) find favor with other consumers who usually buy in small amounts yet wanting several individual fish. The fishermen deliver catfish to the markets dressed, that is, with the heads,

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