. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 64 CALIFORNIA PISB AXD GAM E at the approximate upper boundary of the Upper Sonoran Life Zone Grinnell, 1935). The initial impoundmenl was made in 189] and was followed by several alterations of the dam and other parts of the lake in more recent years. The present dam height is 90 feet. Fluctuations in level have been severe in past years, the lake having been completely drained following the 1923-24 drought ; fluctuations during the
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 64 CALIFORNIA PISB AXD GAM E at the approximate upper boundary of the Upper Sonoran Life Zone Grinnell, 1935). The initial impoundmenl was made in 189] and was followed by several alterations of the dam and other parts of the lake in more recent years. The present dam height is 90 feet. Fluctuations in level have been severe in past years, the lake having been completely drained following the 1923-24 drought ; fluctuations during the past decade or so have usually been within 10 feet below the spillway level. During the 1950 season the water level fell aboul •>! feet from the spillway level. Silting is very heavy in the rainy season. Descriptions of the macrobenthos and limnetic plankton with selected physical and chemical data have been compiled by Felin (1940) and Scott (1927). Prodigious growths of rooted aquatic vegetation choke tin1 shallower waters of the entire lake. Near shore the principal plants are bulrushes (Scirpus sp.), cattails (Typha sp.), and water smartweed (Polygonum sp.). From shore to a depth of about 12 feet, water milfoil (Myrio- phyllum sp. i grows profusely: the emergent portion of this species is frequently dense enough to support the weight of the larger aquatic birds. .Ml these species follow the retreating shoreline as the water level recedes during the summer. The present fish fauna of the lake consists principally of brown bull- heads (Ameiurus nebulosus), black erappies (Pomoxis nigromaculatus), bluegills (Lepomis macrochirus), and largemoutb black bass (Microp- terus salmoides). Green snnfish (Lepomis cyanellus) and hitch (Lavinia exilicauda) are much rarer. The small mosquitofish (Gambusia affinis) occur abundantly in the shallow waters along the lake shore. Following the drainage in 1924 the lake was stocked only with 500 bass and an SEARSVILLE LAKE SAN MATEO COUNTY
Size: 1827px × 1368px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorcaliforniadeptoffishandgame, bookauthorcaliforniafish
