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HomeMy WebLinkAbout20080868 Ver 2_I-65 2014 Huddles Ponar Downstream Raw Data Table_20150717Table 1 -65. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Huddles Cut downstream station in May 2014. 1 -71 Huddles Cut Downstream Samples Species /taxon 1 2 3 4 5 Average Annelida Oligochaeta Grania sp. 100 100 40 12 0 50.4 Tubificidae sp. w/o hair 0 0 8 12 0 4.0 Polychaeta Amphicteis floridus 0 0 0 4 0 0.8 Eteone heteropoda 4 0 4 4 4 3.2 Heteromastus filiformis 8 8 12 0 8 7.2 Marenzelleria viridis 0 4 24 48 16 18.4 Mediomastus ambiseta 0 0 0 0 4 0.8 Neanthes succinea 0 4 0 0 4 1.6 Polydora cornuta 0 0 0 12 0 2.4 Streblospio benedicti 0 0 0 0 4 0.8 Arthropoda Insecta Diptera Chironomus decorus 0 0 8 8 8 4.8 Cladotanytarsus sp. 0 0 4 0 0 0.8 Goeldichironomus devineyae 0 0 0 8 0 1.6 Polypedilum sp. 0 0 4 0 0 0.8 Malacostraca Amphipoda Gammarus tigrinus 0 8 0 8 4 4.0 Lepidactylus dytiscus 8 68 16 4 0 19.2 Maxillopoda Harpacticoida sp. 0 4 0 0 0 0.8 Ostracoda Cyprideis littoralis 0 0 4 0 0 0.8 Nematoda Nematoda sp. 100 100 100 100 100 100.0 Total taxa by sample 220 296 224 220 152 Total abundance = 1,112 Total taxa present = 19 Shannon - Wiener diversity = 1.77 1 -71