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<br />. .. <br /> <br />3-1 <br /> <br />3.0 EVALUATlOt-J <br /> <br />3.1 General Assessment <br /> <br />It is impossible to thoroughly evalu~te the habitat utilization curves <br />presented by thE: F\~S (19~A) tor the endangered Colorado River fishes without <br />complete acco~panying document~tion. Th~ docum~nt~tion presented is far too <br />general. A description follows ~f the aaGition~l data needs and information <br />that are aesir~ble for evaluation. <br /> <br />~.l.l ~~citional Uata ~ceds <br /> <br />1hC followin9 aa~itioncl inform~tion is ne~dea to br- able to thoroughly <br />i.:v,:iucite tht' ct.:rv!"s: <br /> <br />1. A tahular presentation of the 3ctuc:l vata associ(ltC.r' with E.'3ch of <br />the cfltegorir.s presenteG for f!i)ch species lncluding nonspa\-ming, stag;n~ and <br />dc-rositing ar'lIlt Color3da sCluc\'/fish, post-li'lrval YOY, juvenilr:s (60-249 m), <br />ju'!eni1es (~5(}-L,4~ !'lP'), and juveniles (6C-4L;9 rnl:'); ane adult. hunpback c!lub. <br />Thc e;nbt t(;.rJlcs should hew! tl1(' tollcvJinc culurr.nnr hCJdinns: <br />. --' <br /> <br />Pi ve r <br /> <br />u2-:e Fish 10 Uept~\(tt) Velocity(t'ps) ~ubstr('te Ter'perat'urc(oEl <br /> <br />2. TabulAr pn:ser.tations of fn:our-ncy ciST.ribution fer' each of the <br />ci~ht c~t~9ories presentpd in 1 above with the fclluwlng intervals for the <br />ha~it~~ paramerrrs: <br /> <br />rJ t' P tr, : C' . ~ - tn 0 t ; n t e r',/ ? 1 s {u. Co - (!. l;, ( , . 5 - r:. I;, I? t r . ) . <br /> <br />VflC'Ci1'.y: L.5 feot per SRCCn(; ((I.{! - C.I!, l:.~ - (;.~, Etr..l. <br /> <br />St:ostr?'tc: ST<1nC!2rn c('!tcgori~s of 1'1ociifiEC ~~Fnn-lCrth (silt, SJM, ptc.). <br /> <br />Terperature: lOC intervals (G.U - O.~, 1.0 - 1.5, ~tc.). <br /> <br />Ine f tables should have the following columnar headings: <br /> <br />Depth (ft) <br />Int. Free. <br /> <br />Subs.tr;!te <br />Cat. Fn~Cl. <br /> <br />1 ernpp ra t.u rE? (oC) <br />Int. Frr-Q. <br /> <br />kiv~r <br /> <br />'Ie; 1 oc ity (fps) <br />Int. Frr:.>o. <br /> <br />2. Fo,' each of the tour habit;;t paranrte'rs irvE-st:igarrc within e?ch of <br />til" p; gt'!t catcnori es represt:ntHl for tl:t:: t,,:o spec; ~:.$, Co tab 1 f' is n'?f'ded or <br />Ti':l-' fn'N!l"'nry r;Il,'"!ysis tPchn;C1tlfl. E~'c.h trtble should h.'V(, th(:, fcllo\'lin9 <br />hE- a (' i n ~ 5 : <br /> <br />Tolly <br /> <br />F rr ("I11f' r.cy <br />Lrt"t Clllstt-r kigt1t Clustrr <br /> <br />Vr: 1 cci t.y <br /> <br />Proofbil i ty <br /> <br />4. <br />hi! bit i1 t. <br /> <br />Grilphic pn'st-ntatiarls of tnp prob?bi 1 ity V?l11CS .trnr.1 ,'lhovp ,....ith the <br />pnr(;rwter (dpptll, velocity, suLstfe1c, tt>li1pert1tur0.) on thf X~(l)(iS <br />