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<br />-);. .' Vi <br />.. ".aLit{jl;-)/7 ,:I- ji/l t J,y~t,1 e(' <br />_' 1'1 '1f1 .....' <br /> <br />.' <br />. <br /> <br />.......... <br /> <br />" <br /> <br />. <br /> <br />t <br /> <br />. <br /> <br />, <br />,. <br />,.. ~ <br />; . <br />? <br /> <br />~ <br />j <br />-1 <br />/ <br />j <br />J <br />I <br /> <br />.' <br /> <br />'.. <br /> <br />~ <br /> <br />, <br /> <br />f <br /> <br />, <br /> <br />, . <br />. <br /> <br />" <br /> <br />-. <br /> <br />.~ <br /> <br />" <br /> <br />. <br /> <br />.. <br /> <br />. ~~ <br /> <br />... <br />. <br /> <br />0" '7/?1-J I.."" <br />'., v'L-Il.-' <br /> <br />Q'7~2.~ <br /> <br />'.' <br /> <br />r'~ <br /> <br />- ~~:-~_._., <br /> <br />...i:iL <br /> <br />, " <br /> <br />.~..4,., <br /> <br />r <br /> <br />Reprinted from: <br /> <br />DESERT S:OlOGY, VOL. II <br />Speclol Tcpic. on the Physical and <br />Biological A:;le~ts of Arid Regions <br />@ 1974 <br />ACADEMIC PRESS. INC, <br />" New York Son frclOcisco <br /> <br />Londo. <br /> <br />o <br /> <br />CHAPTER VII <br /> <br />DESERT FISHES <br /> <br />lames E. Deacon and W. L. Minckley <br /> <br />~ <br /> <br />L Introduction ..........................,.............".......... <br />n. Aquatic Environments of Deserts .................................. <br /> <br />A. Desert Rivers ................................................ <br /> <br />B. Springs and l\farshes .......................................;.. <br /> <br />C. Lakes................,........,......,........,............. <br /> <br />m. General Ecology ................................................ <br /> <br />A. Physical Factors ............................................. <br />B. Chemical Conditions .......................................... <br />IV. Biological Responses to Desert Water Conditions. . . . .. . . . . . . .. . .. . ... <br />A. Dispersion Relative to Environment ........... _ . . . .. . .. . . . .'. . . . . <br />B. Modes of Reproduction and Development. . .. . .. . . . .... .. . . .. . ... <br /> <br />C. Foods and Feeding .................................,......... <br /> <br />V. Addendum ..........................."........................ <br /> <br />References .................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> <br />, . , hear these springs <br />That spurt out everywhere with a chuckle <br />Each filling a private pool for its fish . . . <br />W, H. Auden. In Praise of Limestone <br /> <br />I. Introduction <br /> <br />Climatic deserts include many aquatic habitats where fishcs and other <br />organisms pcrsist and often thrive. Such habitats may be special in some <br />of their characteristics, or they may resemble lakes, streams, or springs <br />of tempcrate or tropical zones. Fishes in deserts are similarly heterogenous. <br />Some species are unique and isolated, while others range widcly in complex <br />patterns dictated by past and present drainage connections and environ- <br />mental conditions, and have highly variable morphologies and bodily func- <br />tions, With the recent invasions of deserts by modem man, whole habitats <br /> <br />385 <br /> <br />-~- <br /> <br />--:^:~#-" - ~- . - <br /> <br />. <br /> <br />... <br /> <br />385 <br />387 <br />387 <br />393 <br />398 <br />400 <br />400 <br />420 <br />433 <br />433 <br />454 <br />465 <br />470 <br />470 <br /> <br />f- <br />