. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 264 CALIFORNIA FISH AND GAME TABLE 7. Annual Geographical Distribution of Tag Returns from Striped Bass Caught in the Pacific Ocean. 1958-1964 Data from Chadwick (1967). Percentage of total annual ocean recoveries Location 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 Marin County beaches 5 47 27 19 2 6 69 16 6 4 5 53 25 5 13 6 32 58 3 1 8 43 29 15 5 13 30 47 2 9 16 14 59 0 11 5 0 86 0 10 5 15 65 0 15 0 11 24 0 64 21 San Fran
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 264 CALIFORNIA FISH AND GAME TABLE 7. Annual Geographical Distribution of Tag Returns from Striped Bass Caught in the Pacific Ocean. 1958-1964 Data from Chadwick (1967). Percentage of total annual ocean recoveries Location 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 Marin County beaches 5 47 27 19 2 6 69 16 6 4 5 53 25 5 13 6 32 58 3 1 8 43 29 15 5 13 30 47 2 9 16 14 59 0 11 5 0 86 0 10 5 15 65 0 15 0 11 24 0 64 21 San Francisco beaches 17 54 Santa Cruz and Monterey Bay beaches _ _ 0 8 129 51 106 69 65 47 37 21 80 45 24 DISCUSSION The general migration j)attern has remained essentially as it was in 1958-1961 (Table 9 and Fignre 2). A return to the pattern of the early 1950's, during which very few bass seemed to enter 8an Franeisco Bay and the Pacific Ocean, has not occurred. 'Upstream Areos. FIGURE 2. Annual variation in summer striped bass migration based on fish estimated to be 25 inches or larger when caught. Data from 1958-1964 are from Chadwick (1967). The major differences in distribution between the period of this study and that of the immediately preceding one are a shift from San Fran- cisco Bay to San Pablo Bay during the winter, a downstream movement of small and medium-sized fish into San Francisco Bay during the fall, a shorter residence time in the ocean, and a reduced oceanic range. All are difficult to explain because of our limited knowledge of the environ- ment and its effects on striped bass. The winter displacement of bass from San Francisco to San Pablo bays may be correlated with a decline in herring abundance in San Francisco Bay since bass feed on spawning herring during the winter (Thomas, 1967). Winter commercial herring landings in San Fran- cisco were high in 1959-1960 as was the winter party boat catch per angler day in San Francisco Bay. After 1961 the landings plu
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