. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 298 CALIFORNIA FISH AND GAME tained mostly large and medium fish. Samples from Mexican waters including the Gulf of California adequately represented small and me- dium fish but contained a low proportion of large sizes. Seventy-five samples comprised of :>.706 fish were used in this study (Figure 1). The 1956-58 year classes predominated most areas sampled. CENTRA^ CALIFORNIA N;258 S-7 N= 8 98 S--23 N-285 S=5 r z o Ol. 12 14 16 18
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 298 CALIFORNIA FISH AND GAME tained mostly large and medium fish. Samples from Mexican waters including the Gulf of California adequately represented small and me- dium fish but contained a low proportion of large sizes. Seventy-five samples comprised of :>.706 fish were used in this study (Figure 1). The 1956-58 year classes predominated most areas sampled. CENTRA^ CALIFORNIA N;258 S-7 N= 8 98 S--23 N-285 S=5 r z o Ol. 12 14 16 18 20 CM SL N = 483 S= II 'i d] N = 240 S = 4. SOUTHERN CALIFORNIA NORTHERN BAJA CALIFORNIA N = I007 _S=I7 NORTH CENTRAL BAJA CALIFORNIA EL N = 492 S= 7 SOUTH CENTRAL BAJA CALIFORNIA SOUTHERN BAJA CALIFORNIA FIGURE 1. Pacific sardine subpopulation study region with size composition in each sampling area. N cz: number sampled. S = number of samples. METHODS Specimens were laid out straight and frozen immediately after cap- ture at sea. After thawing in the laboratory, identification tags were attached and scales taken for age determination. The fish again were laid out straight and preserved in a 10% solution of formalin for a minimum period of 3 weeks. -Morphometric characters were selected on the basis of least likelihood • if correlation with each other. Meristie characters were limited due to the difficulty of making accurate counts on some. All morphometric measurements were made by the author and all meristie counts were double checked. The following morphometric measurements were made: standard length, head length, pectoral fin length, and postpelvic length. Standard length consisted of the distance from the tip of the snout to. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original California. Dept. of Fish
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