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<br /> <br />Figure 13 Gila troul, 18,7 cm In total length, Mam Diamond Creek, New Mexico. This <br />endangered species perSIsts naturally In only live streams Similar 10 Apache trout <br />the speCies generally remains small In size In the tiny headwater habitats where It <br />persists <br /> <br />tublta[ dc~radawm 15 an c\-er PH-scnt thn:.l[ [(l <br />endemic trout populaTIons_ ExtenSive montane <br />logging (FI,!.:_ l.ll. ~orh In thl: United Su[es .IOJ <br />Mexico. h.ls lJpent:d <,[rt-am ,h.lOnels to Jiren <br />sunlight, altt"rC'd p.lrrerns of urf:.IOI( Input. .1nJ <br /> <br /> <br />Figure 14 Clear-culting can Impact headwater streams <br />supporting the threatened Apache trout. PhotograPh near <br />the crest of Ml Ord. Fort Apache Indian Reservation. <br />Anzona. 1988 <br /> <br />lnueaseJ erosIOn and \(.dlmt'manon. Sawmill wastes <br />h.l\"(' bet"n a malor sourl.T of oq::;\nie pollution in <br />,\Iexu:o. LI\'C'stock IFlg. 15) wmp,l(t J.nd denudl: <br />mJTshes and mt'adows. trample Streilm banks. and <br />remo\'e rlpanan n:,i>::t.t.HlOn_ <br /> <br /> <br />FIgure 15 Domestic livestock seek npanan zones lor shade. <br />water. and lorage Their Impacts contribute to habItat <br />degradallon through vegetation removal. compaction 01 <br />SOIls. and decreased bank stability <br /> <br />9 <br /> <br />OlOS7 <br />