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<br />Table 7.1-1: Estimated Space Requirements for Colorado Squawfish <br /> <br /> Survival Rat.: m 0.' 0.' 0.' 0.5 0.3 0.33 POND REQUIREMENTS: 1 YEAR OLD FISH <br /> River Adun Active Pond Arealacresl 141 <br />UDDer Basin Reaches Mlles"ill Fish/Mile Fish 5-Yr 4-Yr 3-Yr 2.Yr 1.Yr larvae Welahl IIbsl 131 <br />ampa River - Craig, Colorado to Green River 131 10 1310 1638 2047 2559 5117 17057 51689 41 0.08 <br /> 20 2620 3275 4094 5117 10234 34115 103378 82 0.16 <br /> 30 3930 4913 6141 7676 15352 51172 155066 123 0.25 <br /> 40 5240 6550 8188 10234 20469 68229 206755 164 0.33 <br />Green River. Yampa River to Colorado River 333 10 3330 4163 5203 6504 13008 43359 131392 104 0.21 <br /> 20 6660 8325 10406 13008 26016 86719 262784 20B 0.42 <br /> 30 3930 4913 6141 7676 15352 51172 155066 123 0.25 <br /> 40 5240 6550 8188 10234 20469 68229 206755 164 0.33 <br />White River. Rio Blanco Reservoir to Green River 125 10 1250 1563 1953 2441 4883 16276 49321 39 0.08 <br /> 20 2500 3125 3906 4883 9766 32552 98643 78 0.16 <br /> 30 3750 4888 5859 7324 14648 48828 147984 117 0.23 <br /> 40 5000 6250 7813 9766 19531 65104 197285 157 0.31 <br />Gunnison River - Uncompaghre River to Colorado River 60 10 600 750 938 1172 2344 7813 23674 19 0.04 <br /> 20 1200 1500 1875 2344 4668 15625 47348 3B 0.08 <br /> 30 1800 2250 2813 3516 7031 23438 71023 56 0.11 <br /> 40 2400 3000 3750 46B8 9375 31250 94697 75 0.15 <br />Colorado River - Rifle, Colorado to lake Powell 263 10 2630 3288 4109 5137 10273 34246 103n2 82 0.16 <br /> 20 5260 6575 8219 10273 20547 6B49O 207544 165 0.33 <br /> 30 7890 9863 12328 15410 30820 102734 311316 247 0.49 <br /> 40 10520 13150 16438 20547 41094 136979 415088 329 0.66 <br /> <br />o <br />o <br />N <br />-J <br />c:.o <br />en <br /> <br />Notes: 1. River miles determined from Maddux et al. (1993) and Federal Register Vol. 59, No. 54 for March 21,1994, pgs 1337+400. <br />2. Assumed razorback sucker survival rates taken from Table 1 in Wydoski (1996c). <br />3. Weight determined by dividing number of 1.Yr fish by number of 1-Yr fish per pound (416 fishllb for 1-Yr squawfish) <br />from Table 71n Wydoski (19940). <br />4. Acre estimate made using assumption of 500 Ibs. offish (up to 3.5 in.) per surface acre of pond (Wydoski 1994a). <br />5. Total surface area for ponds needed Is 25% more than the area of active ponds for cleaning, sorting fish, etc (Wydoski 1994a). <br /> <br />Colorado S uawt1sh For 10 Fish rMlle: <br />Tolal Area Required (51 0.6 <br />(acres) <br /> For 20 Fish erMile: <br />Tolal Area Required (5) 1.4 <br />(acres) <br /> For 30 Fish rMile: <br />Tolal Area Required (5) 1.7 <br />(acres) <br /> For 40 Fish rMile: <br />Total Area Required (5) 2.2 <br />acres <br />