Site ID Year Taxon Higher Taxa Total Total % Cumulative % ARC 2009 Rheocricotopus sp. Chironomidae 1408 14.7 14.7     Eukiefferiella sp. Chironomidae 1178 12.3 26.9     Nais communis/ variabilis Naidinae 1133 11.8 38.7     Unid Imm Tubificid Tubificinae 850 8.85 47.6     Cricotopus sp. Chironomidae 536 5.58 53.1 ARC 2010 Tubificinae Tubificinae 1496 17.0 17.0     Nais communis/ variabilis Naidinae 1373 15.6 32.6     Eukiefferiella sp. Chironomidae 1171 13.3 45.9     Cricotopus sp. Chironomidae 897 10.2 56.1     Dero digitata Naidinae 413 4.69 60.8 ARC 2011 Tubificinae unid.imm. Tubificinae 1438 15.7 15.7     Nais communis/ variabilis Naidinae 826 9.00 24.7     Rheotanytarsus Chironomidae 686 7.47 32.1     Simulium Simuliidae 685 7.46 39.6     Physa Physidae 602 6.56 46.2 SS 2009 Tubificid unid. Imm. Tubificinae 2346 21.1 21.1     Physa sp. Physidae 1758 15.8 36.9     Nais communis/ variabilis Naidinae 991 8.90 45.7     Cricotopus sp. Chironomidae 949 8.52 54.3     Chironomus sp. Chironomidae 646 5.80 60.1 SS 2010 Tubificinae Tubificinae 2610 29.9 29.9     Pisidium sp. Sphaeriidae 1983 22.7 52.6     Dugesia tigrina Planariidae 1268 14.5 67.1     Nais communis/ variabilis Naidinae 331 3.79 70.9     Enchytraeidae Enchytraeidae 278 3.18 74.1 SS 2011 Nais communis/ variabilis Naidinae 1645 15.5 15.5     Tubificinae unid.imm. Tubificinae 1444 13.6 29.2     Dugesia tigrina Tubificinae 1245 11.8 40.9     Cricotopus Chironomidae 739 6.98 47.9     Chironomus Chironomidae 708 6.69 54.6

Table 8: Total and taxon abundance by year for benthic macroinvertebrates in Arcade Creek (ARC) and the Salinas Streams (SS) sites. Only the top five dominant taxa are listed for each year and stream. A detailed presentation of all benthic taxa data are available [34,42,48].