Table Bc11. Comparison of riffle habitat benthic invertebrate collections from stream mile 33 on the Eleven Point River; Numbers beside family names indicate total number of taxa with the number of organisms/ft2 in parentheses (MDC 1995b). (*)indicates none found.
| - |
Eleven Point River Mile 33 October 25, 1974 |
Eleven Point River Mile 33 October 31, 1985 |
| Effort (FT2sampled) |
12 FT2 |
8 FT2 |
| Trichoptera |
7 (170) |
5 (216) |
| Ephemeroptera |
6 (68) |
13 (231) |
| Plecoptera |
2 (0.8) |
3 (1.3) |
| Lepidoptera |
1 (0.1) |
1 (0.3) |
| Coleoptera |
2 (50) |
2 (9) |
| Diptera |
4 (6) |
3 (8) |
| Arachnoidea |
1 (0.3) |
1 (0.5) |
| Gastropoda |
2 (4) |
3 (3) |
| Annelida |
1 (1.5) |
1 (1) |
| Isopoda |
* |
1 (13) |
| Amphipoda |
1 (0.1) |
1 (1) |
| Decapoda |
1 (0.2) |
3 (1) |
| Platyhelminthes |
1 (5) |
1 (12) |
| Megaloptera |
2 (0.6) |
2 (0.4) |
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