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HomeMy WebLinkAbout20080868 Ver 2_I-33 2014 Jacks Ponar Downstream Raw Data Table_20150717Table 1 -43. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Jacks Creek downstream station in May 2014. 1 -49 Jacks Creek Downstream Samples Species /taxon 1 2 3 4 5 Average Annelida Oligochaeta Peloscolex heterochaetus 0 0 0 0 1 0.2 Tubificidae sp. w/o hair 1 2 4 2 5 2.8 Polychaeta Amphicteis floridus 1 1 9 0 9 4.0 Eteone heteropoda 0 1 2 0 0 0.6 Heteromastus filiformis 0 0 0 0 1 0.2 Marenzelleria viridis 0 3 2 0 7 2.4 Mediomastus ambiseta 0 1 0 0 0 0.2 Neanthes succinea 1 1 1 0 0 0.6 Streblospio benedicti 1 1 8 0 11 4.2 Arthropoda Insecta Diptera Bezzia/Palpomyia complex 0 0 0 0 2 0.4 Chironomus decorus 3 1 11 18 12 9.0 Goeldichironomus devineyae 1 0 0 0 0 0.2 Tanypus neopunctipennis 0 0 1 0 0 0.2 Malacostraca Amphipoda Apocorophium sp. 0 0 1 2 0 0.6 Gammarus tigrinus 0 0 1 0 2 0.6 Isopoda Cyathura polita 0 0 0 0 1 0.2 Edotia montosa 0 0 1 0 0 0.2 Mysida Americamysis almyra 0 1 2 2 2 1.4 Ostracoda Candonidae sp. 0 0 0 0 1 0.2 Cyprideis littoralis 0 0 0 2 0 0.4 Mollusca Bivalvia Macoma balthica 2 1 3 2 3 2.2 Macoma tenta 5 4 5 0 6 4.0 Mulinia lateralis 0 1 0 0 0 0.2 Gastropoda Littoridinops tenuipes 2 1 2 2 1 1.6 Total taxa by sample 17 19 53 30 64 Total abundance = 183 Total taxa present = 23 Shannon - Wiener diversity = 2.51 1 -49