2009-05-22_PERMIT FILE - C1981044A ‎(8)‎

• Permit No: C1981044A
• IBM Index Class Name: Permit File
• Doc Date: 5/22/2009
• Doc Name: Habitat
• Section_Exhibit Name: Tables 42 through Table 86
• Media Type: D
• Archive: Yes

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Table 51
AVERAGE NUMBERS AND WEIGHTS OF BOTTOM FAUNA IN SURBER SAMPLES
Yampa River Total Dry Weight By Group
(November 1970 to Number of Number of Individuals (Grams)
November 1971) Samples Average Range Average Range
Ephemeroptera 58 34.6 7-220 0,116 .030-.556
Trichoptera 58 22.8 3-96 0,119 .015-.517
Plecoptera 58 4.4 1-26 0,029 0-.152
Diptera 58 14.0 3-36 0,045 trace-.491
Coleoptera 58 0.8 0-2 trace 0-.001
Williams Fork River Total Dry Weight By Group
(March and August Number of Number of Individuals (Grams)
1971) Samples Average Range Average Range
Ephemeroptera 13 28.3 1-134 0.070 .003-.161
Trichoptera 13 I6.2 1-62 0.100 .017-.393
Plecoptera 13 3.1 1-10 0.015 trace-.143
Diptera 13 9.9 1-54 0.074 .009-.177
Coleoptera 13 0.8 0-1 trace 0-trace