. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 230 CALIFORNIA FISH AND GAIME ppni CaCOs and pH values ranging from to in August 1962 (Eawstron 1964). Largemouth bass, black crappie (Pomoxis nigromaculaius), and blue- gill dominate the catch. Smallmouth bass (.1/. dolomieni), green sun- fish (L. cyariellus), red-ear sunfish (L. microlophus), and white catfish {Ictalurus catus) also are taken regularly. Rental fishing boats and outboard motors are available at a large ma
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 230 CALIFORNIA FISH AND GAIME ppni CaCOs and pH values ranging from to in August 1962 (Eawstron 1964). Largemouth bass, black crappie (Pomoxis nigromaculaius), and blue- gill dominate the catch. Smallmouth bass (.1/. dolomieni), green sun- fish (L. cyariellus), red-ear sunfish (L. microlophus), and white catfish {Ictalurus catus) also are taken regularly. Rental fishing boats and outboard motors are available at a large marina located near the dam on the south shore. A launching ramp for private boat owners has also been developed by the Wildlife Conserva- tion Board. The few remaining access points are largely undeveloped and most of the shoreline is accessible only by boat. METHODS Selection of Sample Sites Initially it was decided that all electrofishing would be conducted at night along the shoreline of the main body of the reservoir (Loeb 1957). Largemouth bass are most often found in association with some type of shelter (Trautman 1957), and an extensive midwater trawling program conducted at Lake Nacimiento over a period of 4 years failed to produce a single specimen. Electrofishing gear successfully captured young largemouth bass along the shoreline of Bull Shoals Reservoir (Applegate et al. 1966), but they did not appear in trawl catches (Houser and Brj^ant 1968). Sections of shoreline sampled were selected about eight major refer- ence points chosen in a manner to assure broad and varied coverage of the shoreline (Figure 1). Each reference point was designated the mid- point of a 5-mile length of shoreline, wiiich was then further divided into 20 ^-mile sections. Sections sampled were selected randomly from LAKE / SAN ANTONIO I ^^^__urtE«^t ROtO / / / BEE ROCK ( CAMP GROUND ^ / / MARINA \. FIGURE 1. Map of Lake Nacimiento. Numbered circles indicate mid-points of electrofishing areas.
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