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<br />rJIJOIM <br /> <br />" <br /> <br />Table 1-2. Summary of Animas River trout population density and biomass <br />statistics from 1981 through 1987. ' <br /> <br />Statistic <br /> <br />l2/8l ll/82 l2/83 2/85 l2/86 l2/87 <br /> <br /> Animas III Pueblo Paving to Purple Cliffs (2:4 miles) <br />Browns l5 cm & up~unmarked 727 656 518 278 1,824 269 <br />Browns 30 cm & up-unmarked 589 415 399 254 ,255 262 <br />Browns 35 cm & up-unmarked 359 272 266 208 179 182 <br />Browns 40 cm & up-unmarked 192 l66 76 136 87 91 <br />Browns-adipose clipped (86-87 plants) 48 199 'I <br />Rainbows l5 cm & up 110 20 71 , l35 286 238 <br />Snake River cutthroats 15 cm & up 288 28 4 0 0 2 <br />,Catchable rainbows 82 l63 <br />Brown biomass (kg/ha) 40.0 32.9 24.9 l4.7 41.9 22.3 <br />Rainbows biomass (kg/ha) 4.2 0.6 2.7 4.5 4.8 l2.6 <br />Snake River cutthroat biomass (kg/ha) 5.2 0.9 0 0 0 <br /> <br /> Animas #2, 32nd Street Bridge - Holiday Inn Bridge (2.7 miles) <br />Browns l5 cm & up-unmarked 167a 93l 507a, 252 ;'51 323 <br />Browns 30 cm & up-unmarked 112 609 449 192 3,6l 249 <br />Browns 35 cm & up-unmarked 6l 406 l30 l42 294 l40 <br />Browns 40 cm & up-unmarked 4l 203 27 56 l47 83 <br />Browns-adipose ~lipped (87-87 plants) 527 l,808 <br />Rainbows l5 cm & up 94 98 232 32 539 '4,2l8 <br />Snake River cutthroat 15 cm & up 275 90 30 0 0 3 <br />Brown biomass (kg/ha) l5.4 41.l 30.9 9.4 22.0, 37.0 <br />Rainbow biomass (kg/ha) 2.8 l.4 8.6 0.7 0.3 34.2 <br />Snake River cutthroat biomass (kg/ha) 5.2 2.9 ci 0 0 <br />Rainbow broodfish biomass (kg/ha) 3.6 <br />Browns adipose clip biomass (kg/ha) 3.l2 23.7 <br /> <br />aEstimates in 1981 and 1983 ran from the Durango Hatchery to the Holiday Inn <br />(1.2 miles). <br /> <br />r~ <br />":<' <br /> <br />i,.:' <br /> <br />l-'. <br />fO- <br /> <br />E3 rJ0002411 <br />