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<br />'" . <br /> <br />3-2 <br /> <br />and th~ probabi 1 i ty (sui tabi 1 i ty index) on the y-axis. The actual data <br />points are desirea in addition to the SMooth curves provided. <br /> <br />5. A cescription of the analysis technique(s) used (frequency <br />analysis, range and optimum analysis, parameter overlC'p, indirect parameter <br />analysis) <br /> <br />6 . I n c d a i t ion to t h Eo i n for IT'a t ion a c COM pan y i n g e a c h cur v e, an <br />evaiLJution criterilJT'1 for each is'reouestE:d from the developer, according to <br />the rating exc€ll~nt, good, fair, or reconnRissancp gr~de. <br /> <br />~.1. 2 Gene r.'ll Comments <br /> <br />lhe partitioning of dat~ usec1 to derive h2bi!at utilizi'ltion (H.U.) <br />curves is very important. Cate coll ected tor a species ; n ere ri V (:1'" system <br />n?y not b~ s;ril~r or appliCJblr to ancther systP~. Evrn poclin9 of habitat <br />p~rtiticns witnln the sa~e river system m?y 0ive misl~a~ing r~sults or H.U. <br />curves too general to be of vel UP for speci fi c fl O~i recommencft i ens. <br /> <br />For Cclord(1c squi1'1/fish, dClta of threE' rivers (Creen, Colorado, Yampa) <br />'..ifre often pooled 'to 9C'nerCltf:' en~ h.L. curve. ine assumption is th~t the <br />spc(:i[s C'xhibi:s sir:il ar habitat prE'fcrcncps in all tjlr('e rivers. It is not <br />in(icctp.(i V:t1E'ther thc-se similarit:ies ',Jf.;.re testfd st'ot;stically. In order to <br />peel habii:at r2t'~IN:.tfI'"S for tl1€ trref"' rivErs, tne ci stribution of points <br />(frequFncy an~lysis curve or H.U. curve) nPfds to b~ tested fnr Sl~ilarity. <br />If signitic<'lnt ('itf~n::nccs arc founG, the (20ta shoul(l not bf: poolea. A <br />sirlilar e:nalysis should be conducted be-torf:- pOQlirl~ (li::te of the different <br />re:q;ons within H,e san~ river. <br /> <br />::.2 ~Pf!C;t;c CO-'~f:nts <br /> <br />F.l thouSh thprF; dt"C ~cn(':r~l l:Qr'r\,=nts ond cllt:st.i0TiS t.(.~(lrCling the <br />?(~PquCiC.v of ttle lliJbit?t utiliztiTicn curVfS, comments ere Dr~sentca herein on <br />tnf'. spE.:citic li.U. curves {<no thE: partition of fish OCTi} user to gpnerate <br />tnem. It!p.se spt.:cific COll1l"f'nts are directEo at (1 givfn function for a <br />sDPcifieo agf' 1.:n-OlJp. <br /> <br />::.. ~.1 Arlul t Colorado sauawfi sh nonspa~vni"9 (Ieptb, vel eei ty enti substrate <br /> <br />1. According to the first set of H.U. curves, thp deposition period is <br />1 Jul - 15 AU9, the staging period is 1 Jul - :;1 Aug, Ar.cr thE: nonspawning <br />pcriuo ;..S 1 Sf-p _ 30 Apr. ~~hat hilpp('ns from:':O J\pr to 1 Jul? It appeRrs <br />th(lt ttlis time frame is durillg runoft whrn th(' fisn are mostly innccessible. <br />If data art' not. availfblr: for I"fay and Jum~, a nason shotJlr. rlt;' presented. <br /> <br />t:. ihc; poeling of ciata from tiu' thr~t' rivEr systprrs is qUl!stionable-. <br />A statiStic?l anfllysis should bf: conducted to (i(:m(\nstrat(~ no significant <br />~ifflrences in h.U. curve slope ?nd shape. <br /> <br />j. If r,'010 observCltlons 'lJere USN' in trH' Gre(:ll and Yer'pa Rivers in <br />lieu of dilt? fronl triiClition(ll carture melhoes, ,',/pr0.ttlt're sign1ficont <br />diitcrf'nccs in till raoio ana nonr~cio data spts? if so, arC' UlfY <br />