. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. SIZE III (LARGE). SOUTHERN CALIFORNIA NORTH CENTRAL BAJA CAL. SOUTH CENTRAL - SOUTHERN BAJA CAL. GULF OF CAL. GALAPAGOS ISLANDS SOUTHERN CALIFORNIA NORTHERN BAJA CAL. NORTH CENTRAL BAJA CAL. SOUTH CENTRAL GULF OF CALIFORNIA GALAPAGOS ISLANDS CENTRAL CALIFORNIA SOUTHERN CALIFORNIA NORTHERN BAJA CAL. NORTH CENTRAL BAJA CAL. SOUTH • » " GULF OF CALIFORNIA FIGURE 4. Overlap percentages derived from multivariate analysis of Pacific sa
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. SIZE III (LARGE). SOUTHERN CALIFORNIA NORTH CENTRAL BAJA CAL. SOUTH CENTRAL - SOUTHERN BAJA CAL. GULF OF CAL. GALAPAGOS ISLANDS SOUTHERN CALIFORNIA NORTHERN BAJA CAL. NORTH CENTRAL BAJA CAL. SOUTH CENTRAL GULF OF CALIFORNIA GALAPAGOS ISLANDS CENTRAL CALIFORNIA SOUTHERN CALIFORNIA NORTHERN BAJA CAL. NORTH CENTRAL BAJA CAL. SOUTH • » " GULF OF CALIFORNIA FIGURE 4. Overlap percentages derived from multivariate analysis of Pacific sardine morpho- metric and meristic characters. Small, medium, and large size fish from central and southern California compared with successively southward sampling areas. RESULTS, LARGE FISH Central California large fish, which analysis of covariance indicated was the least heterogeneous group, were compared with large fish from each of the remaining areas for which samples were collected (Figure 4). Fish from central California, southern California, and northern Baja California differed only moderately. Fish from the latter two areas overlapped those from the first by and North- central and south-central Baja California fish were very similar to each other and substantially different from the areas to the north. Stock differences are indicated by the relatively low overlap values ( and ) of these fish with those from central California. Gulf of California fish differed greatly from all other areas and most certainly comprise a separate stock. Overlap between fish from this area and those from central California was Von Bertalanffy growth parameters, L infinity and K, were added to the morphometric and meristic characters for each fish 3 or more years old. Very little was gained by using these extra characters as D2 values increased only slightly even when large growth rate differences were apparent. This was due to the extremely large varianc
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