Table Bc11: Comparison of riffle habitat benthic invertebrate collections from stream mile 33

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)

Key Messages: 

Conservation pays by enriching our economy and quality of life.

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