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<br />Table 2: Humpback Chub Survival Rate: (1) 0.8 O.B D.' 0.33 POND REQUIREMENTS: 1 YEAR OLD FISH <br /> River Adult <br />UDDer Basin Reaches Miles (11 Fish/Mile Fish 3-Yr 2-Yr 1-Yr larvae Weight (Ibs) (3) Active Pond Area (acres) (4) <br />Vamps River ~ Dinosaur National Monument Boundary 44 10 440 550 1100 3667 11111 59 0.12 <br /> to Green River 20 880 1100 2200 7333 22222 118 0.24 <br /> 30 1320 1650 3300 11000 33333 177 0.35 <br /> 40 1760 2200 4400 14667 44444 237 0.47 <br />Green River. Yampa River to boundary of Dinosaur 38 10 380 475 950 3167 9596 51 0.10 <br /> National Monument 20 780 950 1900 6333 19192 102 0.20 <br /> 30 1140 1425 2850 9500 28788 153 0.31 <br /> 40 1520 1900 3BOO 12667 38384 204 0.41 <br />Green River - Desolation and Gray Canyons 73 10 730 913 1825 8083 18434 98 0.20 <br /> 20 1460 1825 3650 12167 36869 196 0.39 <br /> 30 2190 2738 5475 18250 55303 294 0.59 <br /> 40 2920 3650 7300 24333 73737 392 0.78 <br />Colorado River - Black Rocks to Fish Ford 30 10 300 375 750 2500 7576 40 0.08 <br /> 20 600 750 1500 5000 15152 81 0.16 <br /> 30 900 1125 2250 7500 22727 121 0.24 <br /> 40 1200 1500 3000 1??oo 30303 161 0.32 <br />Colorado River - Cataract Canyon 13 10 130 163 325 1083 3283 17 0.03 <br /> 20 260 325 650 2167 6566 35 0.07 <br /> 30 390 488 975 3250 9848 52 0.10 <br /> 40 520 650 1300 4333 13131 70 0.14 <br /> <br />Notes: 1. River miles determined from Maddux et at (1993) and Federal Register Vol. 59, No. 54 for March 21, 1994, pgs 13374-400. <br />2. Assumed razorback sucker survival rates taken from Table 1 in Wydoski (1996cl. <br />3. Weight determined by dividing number of 1- Yr fish by number of 1-Yr fIsh per pound (62 fishllb for 1-Yr humpback) <br />from Table 6 in Wydoski (1994a). <br />4. Acre estimate made using assumption of 500 Ibs. of fish (up to 3.5 in.l 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, ate (Wydoski 1994a). <br /> <br />o <br />o <br />N <br />00 <br />f"".) <br />c.o _ <br /> <br />Hum back Chub For 10 Fish rMlle: <br />Total Area Required (5) 0.7 <br />(acres) <br /> For 20 Fish erMlle: <br />Total Area Required (5) 1.3 <br />(acres) <br /> For 30 Fish erMlle: <br />Total Area Required (5) 2.0 <br />(acres) <br /> For 40 Fish erMlle: <br />Total Area Required (5) 2.7 <br />acres <br />