. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. : •243 Wliilf then* in ii wraith of iiiti'rt>Mtiiitf inforiimtion almul flihr* ihr IM-actiral appliration with thr vi»«w of i-oiimitviiik ami aililinK to thr iuiiiiIhth is not i-asily " ^ ill this artirhv Siiiiihir to oihi-r tli. ha* |je«n inafi'i-ially chaiiifnl from thr rarly ilayn aiui thr lifvrhipinrnt haa pvolvrd thr cfllt'ifiit po*)! typf for th«« trout and This type has Ihm-h in iisf


. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. : •243 Wliilf then* in ii wraith of iiiti'rt>Mtiiitf inforiimtion almul flihr* ihr IM-actiral appliration with thr vi»«w of i-oiimitviiik ami aililinK to thr iuiiiiIhth is not i-asily " ^ ill this artirhv Siiiiihir to oihi-r tli. ha* |je«n inafi'i-ially chaiiifnl from thr rarly ilayn aiui thr lifvrhipinrnt haa pvolvrd thr cfllt'ifiit po*)! typf for th«« trout and This type has Ihm-h in iisf for many yrarM. \Vt,.i. fully divsi^iH'd the «'onstnn'tion should In* in plans has niH'«'d rtM-mistruction of certain lishwayn winch rrjuilirtl in a loss to the owner and also | of fish hefnre •' -n- pleteil. When o|M'ratini; conditions at a dam ill.'" ' ,,.;,. in ink' when the tishway was oriu'inally desii;ned all- ^ in tli . ay may ho required to meet the new 1 ir. &«;. Kljihwny over KolBom flam on Amerlcnn Hlv*r. Maximum dlff«>r»n.)\ four pools (at left) complcloly aubmvrged. Four ndJuMtablo ports at upper sti-tlnn. TiuTc arc instances where tishway installation on dams have been delayed or have been inctlicient resulting in decreased fish life in that stream, (^nlv l)V keepini; the streams free from obstructions or by the installation of appropriate tishways at dams may Iish lilc be mamtaineci on a normal basis. This is especially true of anadromt)Us fishes. If prevented from ascendinir to their natural spawning ifrounds for a few yi>ars the run up that stream will be entirely eliminat«Hl and only by laborious and expensive j^lantinj? ()f tish fry ami proper treatment of obstructions and ilams can the run airain be built up. In c(»nsidcrini: dcsiszns of fislnvays the known instinets of the fish shoulil be utilizcil. They may be induced, but attempts at compul- sion result in failure. Mechanical liftini; devict&g


Size: 2057px × 1215px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorcaliforniadeptoffishandgame, bookauthorcaliforniafish