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<br />(\1~
<br />
<br />.
<br />'t."
<br />
<br />
<br />
<br />';it
<br />- ... i(a.~...)I'
<br />" .-,...,-
<br />'~'~~~
<br />~ ": ~...'
<br />- ^
<br />
<br />~
<br />
<br />,- ~.- ...
<br />..
<br />
<br />~
<br />
<br />.
<br />
<br />-
<br />-.....jF-~
<br />-~
<br />
<br />~
<br />
<br />--,
<br />
<br />~
<br />
<br />Figure 5. The marsh at Cardenas Creek (mile 70.9-L) (continued).
<br />
<br />B. February 26, 1993 Marshes. prime npanan habitat In Grand Canyon and elsewhere. prOVide habitat to
<br />native fishes and wildlife. panlcular1y birds. Young native fish use the backwaters as protection from predators.
<br />and birds frequently nest in the dense vegetation. The marsh at Cardenas Creek. lor example. is nesting
<br />habitat lor southwestern willow fly catchers. which IS an endangered species But marshes were not present In
<br />1890,lt1ey eXist solely because oj the flood control by Glen Canyon Dam Most of the Increased riparian
<br />IJegelatlon In the view is tamarisk, although willow. arrowweed and olher nalIVe species also have Increased
<br />(Tom Wise, Slake 1440)
<br />
<br />La\a Fall, Rapid Imik 17lJ) and Three Spfln,::, Cill~lln
<br />1 mill.' 215.7-1.) - \\L'rL' oh,er\l'd h~ ClmeT and Jolt..:r
<br />( 19-4-11, \\ hI) ..:tlllt'l'll'd rkll11 'JX'..:illll'n, fnllll thl"l' 'Ill".
<br />In tht' I'J:"tk fh'i1I.\ llh"'f\l'd Ihallh,' mar,h In 111L'
<br />IlWlllh tlf Thr,''': Sprin,::' CanyoTl haJ a patch tlll';UlL'
<br />lOll kl'l aLTo..,: II al'l) c(llItaincJ \\'111,1\\ " lalll;lri..".
<br />and l'altaik Ripari;J1l \l'~L'[alilln ,urrollnJlll~ Ihl'
<br />,prinp :11 IkL'r Crl.''':'' F:llh llm!l.' I 36,.\-RJ, \';hl'~'
<br />P;J1'adi,t' Illllk 31.~-R I, ;lI1d on IhL' ri~hl ,ilk of lIanL'L'
<br />Rapid I milL' 76.7-R I ..hll\\' rnlllllnt'l1Il~ In hi..[llrJc
<br />rhoto,::r;'rh... Ri~g and :\khul, ,((lpPL'd ;It C;JrdL'n:h
<br />Cred (lIUIL' 70,9.1.1!x'loft,: GlL'n Can~nn Darn and
<br />a,::rl.'L'd IhallhL' ,Irt'a nll\\ ,Uprtlr1rn,:: a lll;lr,h \\a' ';lI1d
<br />;l1lJ rod". R,'ill~ ,;1\\ \\ill\I\\';l1 CardL'll:h CrL'L'" hu[
<br />did nlll 'rL"'lliL'all~ lllellllllll l,lInari,". \\ tllch h,' 'a\\
<br />l.'hL'\\herc CUII,'r Clllllllh'ntcJ IhallhL' CUIT,'nl !ar,::L'
<br />al1llluO! III rL','d, allmg thL' rl\l'r l'uITiJ,lr Jld n.ll
<br />rl',elllbk an~lhln':: ,hl' ':1\\ In 11lJs.
<br />
<br />Deser1 Vegeta1ion
<br />
<br />CullL'r Ihou~tll thl' dC"L'r1 ;Jhon.' tht.' ri\ l'r
<br />:IPJ'L-'ar,'J j;r,','I1L'r in 1\)9:". Ih:11l in 1 1l3S. Bllth :C'ar.. twd
<br />rdali\l'ly \\C'I \lll1tC'r.. and normal 'U111111t.'1'... From
<br />rt.'plk:1I1011 llf II1\' Stanton ph(lln~raph, from I S90. \.\ t'
<br />allrihutt.' Ihe difkrclIl'" In a lar~." incr":hL' in nrillkhu..h
<br />I WL'hh and HII\\L'r'. 199.\ L JI1I1\'r 'tatl'J [hat ,hL' ;Jnd
<br />CIII\t.'r \\(luIJ n'rt"ll1l~ ha\t' II'll'd 1lI1W-l.'111l1I1ltlll
<br />'rl..'!.'lt" 'lll.'h ;1' ,n;I"t'\\L'L'd and I;unan," If Iht'~ h:IJ
<br />hl.'cn rrL"t'lH at .1Il~ of Ilk'1f ';lInrlrn~ 10L';lIlOn,. Thi..
<br />..Ih.", lbt' \~llht'lr rl;lllt 11,,, IC!\l\l'r <Lnd J(IIIL'f. II)-!..H
<br />;1'.1 h:bt'IIIl,' 1111' l.'\aILlallll~ 111\<l'ltln, (Ir IIKr..:a..t'.. of
<br />L'\llllIllLlIl'I'lLYIL" ,\1 thL' 'ilL' \\tkTL' thl'l~pt' 'lx'L'imt'1l
<br />01 hL';I\t'n;Jil cu,:IU' (()fllll1f1t1 hI/Ii/IIi'll, \ar.
<br />l"l/l.!illtlrl'ofllllll \\,h ,:t1lk..'!t'J 111 IlJJS, \\t' \.'i1uld tind
<br />llulhll1':: Ih:1I mak-h,'d Ihl' ,)n~lIl,d rl;llll. \\ hlch ha' nOI
<br />h......'1l rC'l.'o]JL','[cd, \\-,' h...'liC'\l.' Ih,' \,lri"I~ Ihl'~ L'olkclt'J
<br />1lI<l\ h:l\ l' ht.'I.'n a h~ hnJ
<br />
<br />SPECIFIC CHANGES OBSERVED IN GRANO CANYON 21
<br />
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