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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />,.~EC-04-2001 rUE 12:00 PM FISHERY & WILDLIFE <br /> <br />Yampa River sampling, 2000 <br /> <br />. ^ total of 4 passes completed (3 used) <br />. 32 sampling days <br />. 61 hours elcctrotishing rime, numerous net <br />sets <br />. Total of75 individuals captured <br />(ISMP 1991.1999 = 142 fish) <br />· Total of 6 recaptures, 8% rate <br /> <br /> Yampa River abundance <br /> estimates (3-pass data) <br />, ~ .~. ..." -- "" <br />Model N-h~t SE CI tl.hats <br />Mt 311 109 173.728 0,04,0.07,0.14 <br />Mo 349 126 191-824 0.08 <br />Mtbh' No model available <br /> _. . <br /> <br />Yampa River <br />Colorado Pikeminnow, 2001 <br /> <br />[lih <br />dill <br />i II , ;. I r <br /> <br />Ii ,I. ! <br /> <br />FAX NO. 9704915091 P, 06 <br /> <br />Yampa River sampling, 200 I <br /> <br />· A total of 4 passes completed <br />. 33 (32) sampling days <br />. 177 (61) hours ek.'Clrofishing time, 279 hrs. <br />fyke nets <br />. Total of 120 (75) individuals captured <br />(ISMP 1991-1999 -142 fish) <br />. Total of 21 (6) recaptures, one twice, 17% <br />rate <br /> <br />'r';:nrlEll~\el. Oklrl.l) pl-:fClllrUON <br /> <br />:'.0 <br /> <br />i~ <br /> <br />IE [) <br /> <br />_IIII.L <br /> <br />L91 .... &.i' _ 'hog.! .ftP ,t~) ff' (if'> <br />r;;." ,~'Y @ ~<fiJ 49- r..~ <br />Tdallet1;Itl <br /> <br />Abundance estimation <br /> <br />conclusions <br /> <br />. Green River population about 2,100 animals <br />. Reasonably well estimated, CV about 10% <br /> <br />5 <br />