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<br />. <br />.. <br /> <br />~ <br />~ <br /> <br />4-1 <br /> <br />4 .0 S Uhr'iAR Y <br /> <br />1. Documentation should be complete for all habitat utilization curves <br />to enable thorough and objectiye evaluations. lhat documentation should <br />include: <br /> <br />a. Listing of raw data values and associated import~nt parameters. <br />b. f.\nalysis technique(s) used (frE:quency analysis, range and optimum <br />analysis, parameter overlap, indirect parameter analysis) <br />c. Freouency distribution tables and graphics to provide a view of <br />data distribution. <br />a. Parameters of measure. <br />e. P~rioa of record. <br />f. Data uti 1 i zed of tilE" raw data shown. <br />g. Data excluded of the raw c?ta shown. <br />h. Assurptiol"s. <br />i. Constraints. <br />j. Evalu;~tion of €ech curvE' (pxCE'llent, ~ood, fair, reconnaissance <br />gracie) <br />k. Curve coorcin~tes. <br />1. Fi9ure of H.U. curve. <br /> <br />,. ~...ny poolin~ of catfl shoulc be Clccof"lpanied by appropriate <br />st~tistical andlyses to t~st for significant crifterencEs. <br /> <br />~. If rroiotc-lcmetry cat? arc to bE' used in lieu of trcditional field <br />collcctlons, COITiparisons shoul(j be made to s~e if this is justified. If <br />reuiotelcmetry data were used for one river and traditionAl capture data for <br />tlnothpr, COr.1pan~bility should be \?'Jr.1Ur.ted. <br /> <br />t!. F'i/S continul?s to usr~ only date. collec'tf'G by trat iJ9cncy to generate <br />l-:.L. curVE:S, at t~e E:xclusion of S;l'"ilarly-collrctH1 cc:tu h(;lc by the state <br />of Colorddo. Also excluded ar(') ristoric Cc:til. Excl1lsion of these data may <br />not constitutE:: makina use of tile .....best scientiflC aM commercial da.ta <br />available....., as s~ecifi~ri in the Enoangered Species Act of 1973, as <br />amended (~.S. Fish an~ Wildlife Sprvice 1913). <br /> <br />~. Use of H.U. curves in rivers or regions other than those from which <br />the datil were collected is a tenuous procecure. An exsmple of this may be <br />use of humpback chub dcta, call ected from the upper Colorado Ri vcr, on the <br />Yampa or Green Rivers. <br /> <br />6. Bdct''? these H.U. curves are inte~ratcd into the IFlh, they should <br />r e c e i v t: t !1 0 r 0 ugh s c rut i n y to m a k eo s 1I r e t tlP. Y r E: pre s e n t the r i v e r i n e <br />situi'ltion. The limitations of the H.U. curves nceo to be well recognized. <br />For example, yay squcj\./fish h.U. curVES OE:-rivrd from bachJ(~tcrs may not be <br />usablE" bCCi.:USE thE- PHA[}SHl lTlodpl s do not adCQUatply cons; dfr bach:atPr <br />h~bitJt. <br />