7739 - Laserfiche WebLink

Home Browse Search

I 6 I Table 2.-Area sampled (m2) and number of samples per year, sampling period, and river reach I for seine collections in backwaters or shoreline habitats with negligible water velocity, lower Yampa River, Colorado. R her reach' I 5 4 3 2 1 Total Number Number Number Number Number Number Samp ling of of of of of of Year oeriod m2 samoles m2 samoles m2 samoles m2 samDles m2 samoles m2 samoles I 1980 late August 367 5 476 10 2.121 13 710 14 2.321 31 5,995 73 early October 33 2 27 1 60 3 Year 400 7 503 11 2.121 13 710 14 2.321 31 6,055 76 I 1981 late April 120 12 120 12 mid June 305 13 295 14 564 27 I late July 510 28 1.310 88 1.820 116 mid August 100 10 100 7 190 9 788 26 1.430 60 2,608 112 mid September 42 5 79 4 100 4 221 13 I Year 262 27 179 11 290 13 1,603 67 2,999 162 5,333 280 1982 late April 69 3 27 2 870 20 966 25 early June 378 13 679 19 1,057 32 I late Ju ly 649 27 692 23 1.341 50 early and late August 1.105 38 4,020 118 5,125 156 I late October 52 9 100 9 265 10 417 28 Year 52 9 169 12 265 10 2,159 80 6,261 180 8,906 291 1983 early June 215 9 300 12 515 21 I early and late July 30 3 20 3 66 3 239 13 870 21 1. 225 43 early and late August 300 11 600 10 456 23 3,402 122 4.758 166 I late September 30 3 31 3 34 4 95 10 Year 60 6 351 17 700 17 910 45 4,572 155 6,593 240 I 1984 mid June 38 4 45 4 83 8 early and mid July 96 4 4,299 59 4,395 63 I early and late August 100 10 2,208 75 2,308 85 late September 98 10 90 14 188 24 Year 136 14 135 18 196 14 6,507 134 6,974 180 I 'Reach 5 = Cross Mountain Canyon (river km 94.1->89.1). Reach 4 = lower end of Cross Mountain Canyon to Lily Park (river km 89.1->81,8). Reach 3 = Lily Park to Deerlodge Park (river km 81.8->72.2), I Reach 2 = Deerlodge Park to Harding Hole (river km 72.2->32.2). Reach 1 = Harding Hole to Yampa-Green River confluence (river km 32.2-{)'o). I I I