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)

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