Mitigation for the Construction and Operation of Libby Dam
Mitigation for the Construction and Operation of Libby Dam
Mitigation for the Construction and Operation of Libby Dam
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Table A8. Mean zooplankton densities (no./l) (top line) <strong>and</strong> variances (bottom line) estimated<br />
from 10-20 m. vertical tows made in <strong>the</strong> Tenmile area <strong>of</strong> <strong>Libby</strong> Reservoir during 2001.<br />
Epischura <strong>and</strong> Leptodora were measured as number per m 3 .<br />
Month (N) Daphnia Bosmina Diaptomus Cyclops Leptodora Epischura Diaphanosoma<br />
April (3) 0.06<br />
0.06<br />
0.05<br />
1.12<br />
0.00<br />
0.00<br />
0.00<br />
0.00<br />
0.00<br />
0.00<br />
0.09<br />
0.00<br />
0.00<br />
0.00<br />
May (3) 0.05<br />
0.03<br />
0.08<br />
2.07<br />
0.71<br />
78.56<br />
0.00<br />
0.00<br />
0.00<br />
0.00<br />
2.81<br />
1.50<br />
5,577.11<br />
0.00<br />
June<br />
(3) 1.08<br />
0.06<br />
0.25<br />
24.71<br />
9.67<br />
442.31<br />
0.03<br />
0.11<br />
0.01<br />
0.04<br />
154.97<br />
100.23<br />
44,669.05<br />
0.00<br />
July (3) 4.24<br />
1.03<br />
0.17<br />
11.75<br />
4.48<br />
36.31<br />
0.06<br />
5.71<br />
0.16<br />
0.03<br />
26.61<br />
7.19<br />
1,673.50<br />
0.00<br />
August (3) 1.21<br />
1.01<br />
0.44<br />
9.14<br />
1.18<br />
67.90<br />
0.09<br />
0.10<br />
0.22<br />
0.04<br />
14.78<br />
1.16<br />
1,152.60<br />
0.01<br />
September<br />
(3) 1.33<br />
1.63 1.44 12.97<br />
1.41<br />
122.51<br />
0.80<br />
0.05<br />
3.40<br />
0.14 8.61<br />
2.00<br />
3,634.06<br />
0.05<br />
October (3) 1.19<br />
0.13<br />
1.35<br />
3.75<br />
0.00<br />
11.32<br />
0.15<br />
0.17<br />
0.00<br />
0.02<br />
1.12<br />
0.00<br />
384.20<br />
0.01<br />
November (3) 0.99<br />
0.13<br />
0.49<br />
2.78<br />
0.00<br />
63.47<br />
0.15<br />
0.16<br />
0.01<br />
0.02<br />
1.81<br />
0.00<br />
66.13<br />
0.02<br />
155