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Table 5-5 Taxa and Number of Benthic Organisms Collected <br />in the Study Area by Station Site <br />Collection of 22 March 1977 <br />Density per Meter2 <br /> N <br />v ("~ N <br />v ("~ <br />u N <br />v ~"1 N (~l <br />v <br /> <br />cd <br />v n <br />td n <br />~d <br />v n <br />ftl <br />v <br />ad <br />v n <br />N n <br />Itl <br />v n <br />b <br />v <br /> I I 1 I I I I <br />Major T2xa Species 1 <br />~ z ~ ~ Y z z E'z Totals <br />Epnemeroptera <br />(Mayf lies) <br />Baetis s~. 58 46 108 123 0 15 0 31 3 81 <br />Ebhemere]1~ spp. 50 96 131 647 15 77 15 62 1093 <br />Tricorvthodes minutus 5g 58 50 77 0 0 15 35 X93 <br />Heuta~enia sp. 12 50 0 15 0 0 0 0 77 <br />Ameletus sp. 58 4 0 0 0 4 0 0 66 <br />Choroterpes sp. 0 4 0 31 0 0 1$ 15 65 <br /> '- 975 <br />Plecoptera <br />(Stonef lies ) <br />AlloDerla sp. 77 42 123 314 15 46 0 0 617 <br />Iso~enus sp. 89 15 100 325 0 0 15 0 544 <br />• <br />Capnia sr. 0 4 0 0 0 0 0 0 4 <br />Pteronarcvs californica 0 0 0 g 0 0 0 0 8 <br />Pteronarcella badia 0 0 0 4 0 0 0 0 4 <br /> 1177 <br />TTichoptera <br />(Caddisflies) <br />Y.vdroDSVChe sp. 62 42 104 2960 0 0 0 70 3238 <br />C;~ur~topsyche sp. 27 42 212 1259 0 0 19 263 18 22 <br />oecetis s~. 69 162 0 3z3 0 0 0 77 631 <br />Lepidostoma sp. 23 8 0 ~5 0 0 0 0 46 <br />~achycentrus sp. 23 9 169 g 863 0 0 0 0 _1279 <br />Leucetrichia sp. 1 5 it 31 232 0 0 0 0 289 <br />Heliocopsvche sr. 0 4 0 15 0 0 0 0 19 <br />Limnerhilidae 0 0 4 0 0 0 0 0 4 <br />Arctoosyche sp. 0 0 0 4 0 0 0 0 4 <br />- --- 7332 <br />• <br />5-zo <br />