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ii. P, ~:~ , ~ ~ ~ .
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<br />r4tah. ~,f tc~~ e , . _ ~_ ~ ; z ~,, ~~ , ~, ,,:.
<br />~as~n ;'l~a ~_r.,:, - i ~ ~; .- ~r~~r and iwi.tEitr ~~;r~ i` ~
<br />habitat coxn~ .:;~ , ~ ~--. ~ ~.r- tsnnn ~~~ ~,~ BxSic~ before ? . s -:i~c.~~.,;,~:,
<br />desiccation c=~ ..__~, _ ~ r:ecause a -.mall p~,rtion of ~~• i~ kl~s: =urn
<br />Utah is dra.:_~- '~ ~ a tributary to the tJppe~ ~- ~ ~ ~::
<br />Columbia Ri~.~~~ --~r~3lity exists that three, andp~- ~ - i,~az-
<br />subspecies a~~:-,_~r ,• ~.1 -~~-~ native catt:"~roat trout in ~~~ ~~-r
<br />1.976x).
<br />This repor~: ~_ _ _. - .., -ses the biaiogy andpoter~tia;_ ~~ -
<br />of S. c. utaJ~ ~. _ ... , ~ ~ an a.utthroat, whidi~ histor ~ -
<br />dominant 5u :~ ;r , .. - '. f -~~=zt #`aund i n t7tah and the Bor :: s~ rs„c i„_
<br />?able ~:
<br />Ranges ^a~r =~;:;~,,- ~.r~=~;~~~~~r~~M~ of cutthroat trout in its na++±~°~ ~-s~~~~.,
<br />;~~s~~r,~.~, ~lnited States.
<br />Subspecies €~rar~,~r°~ Ufa^,,,
<br />S ~. uCah
<br />S. c. plauriticus Sr2w'
<br />S. C. SfOn"las .. ..
<br />S. c. henshawi ,:
<br />S. C. Se/anlriS tr- :r. i,.
<br />S. c. lewsi _ ..- ,
<br />S. c. clarki
<br />S. c. bouvieri
<br />n ,,
<br />S. c. virginalis ~ ~ ~ .a
<br />S. c. alpeshis fvSour'~~
<br />S. c. macdonaldl Yellow fin ` ..
<br />~dange
<br />eke BonnevSlle drainage basin - .:~a~ ~ r rstr.4~~~
<br />Idaho., and Nevada
<br />nlcrado River drainage bash, - V,';rn~-iih~: ,°arg
<br />and Colorado
<br />fouth F'iatt and Arkansas Fiive ~drair~~;.nr I'ni!1°,r+,~
<br />artd smai! area +n southeastern Wyq-.~.~n~:
<br />_ahontan basin contalning'WalKer ':~.:.~.rn -;!arka<<
<br />and 'rlumboln river systems
<br />There is some question on entire rar,r~P ~:,r =tie li~s~h;
<br />distribution was the Silver King drai~ta~^,~ '~aiif~rri~n
<br />F~aund ~n upper!~issouri basin andin rr,uch~t3f °he.a,en~~r
<br />Gclumbia Rlver drainage
<br />Coastal rivers from Alaska tc northe~r~ ~:;aiN`:~>~n~a
<br />tipper Snake and Yellowstone Riverd.~~.nage.~ W~c~
<br />Upper Rio Grande River drainage. Goharade, Up.>e'
<br />iolumbia River drainage, British Coh,r-~;,;,a
<br />Upper Columbia Aiver drainage, British Oclumbia
<br />Twin Lakes, Colorado; very likely this cuG~-oat
<br />orm is extinct.
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