Dataset: 1994 Lake Ontario Benthic Species Abundance Data File Name: LOBEN94 Date Created: 04/08/97 # Variables: 7 # Header Records: 17 # Data Records: 511 Missing Value Symbol: . Variables: STA_NAME Station Name DATE Sample collection date (YYMMDD) LATIN NAME Scientific (Latin) name # G Number of grabs T_ABN Total abundance (#) M_ABN Mean abundance (#) SDABN Std. dev. of mean abundance STA_NAME DATE LATIN NAME # G T_ABN M_ABN SDABN LO94-81 940906 Diporeia sp. 3 1 0.33 0.58 LO94-81 940906 Turbellaria 3 2 0.67 1.15 LO94-81 940906 Slavina appendicular 3 5 1.67 2.89 LO94-81 940906 Potamothrix vejdovskyi 3 760 253.33 41.36 LO94-81 940906 Tubificidae immatures w/o hair setae 3 61 20.33 6.43 LO94-81 940906 Pisidium sp. 3 220 73.33 22.19 LO94-82 940907 Diporeia sp. 2 318 159.00 32.53 LO94-82 940907 Mysis relicta 2 1 0.50 0.71 LO94-82 940907 Turbellaria 2 15 7.50 0.71 LO94-82 940907 Ilyodrilus templetoni 2 3 1.50 2.12 LO94-82 940907 Limnodrilus hoffmeisteri 2 32 16.00 2.83 LO94-82 940907 Limnodrilus profundicola 2 9 4.50 6.36 LO94-82 940907 Tasserkidrilus kesserli 2 3 1.50 0.71 LO94-82 940907 Tubifex tubifex 2 11 5.50 0.71 LO94-82 940907 Tubificidae immatures w/ hair setae 2 91 45.50 6.36 LO94-82 940907 Tubificidae immatures w/o hair setae 2 44 22.00 2.83 LO94-82 940907 Pisidium sp. 2 91 45.50 4.95 LO94-87 940906 Diporeia sp. 3 1440 480.00 78.82 LO94-87 940906 Mysis relicta 3 2 0.67 0.58 LO94-87 940906 Turbellaria 3 35 11.67 5.51 LO94-87 940906 Limnodrilus hoffmeisteri 3 41 13.67 3.51 LO94-87 940906 Limnodrilus profundicola 3 11 3.67 3.06 LO94-87 940906 Spirosperma ferox 3 1 0.33 0.58 LO94-87 940906 Tasserkidrilus kesserli 3 1 0.33 0.58 LO94-87 940906 Tubifex tubifex 3 12 4.00 2.65 LO94-87 940906 Tubificidae immatures w/ hair setae 3 96 32.00 2.65 LO94-87 940906 Tubificidae immatures w/o hair setae 3 64 21.33 10.41 LO94-87 940906 Pisidium sp. 3 221 73.67 23.50 LO94-88 940905 Diporeia sp. 3 1223 407.67 67.10 LO94-88 940905 Mysis relicta 3 4 1.33 1.53 LO94-88 940905 Turbellaria 3 18 6.00 3.61 LO94-88 940905 Stylodrilus heringianus 3 3 1.00 1.73 LO94-88 940905 Limnodrilus hoffmeisteri 3 28 9.33 7.09 LO94-88 940905 Limnodrilus profundicola 3 24 8.00 3.00 LO94-88 940905 Tubifex tubifex 3 23 7.67 12.42 LO94-88 940905 Tubificidae immatures w/ hair setae 3 73 24.33 5.03 LO94-88 940905 Tubificidae immatures w/o hair setae 3 52 17.33 11.68 LO94-88 940905 Pisidium sp. 3 179 59.67 7.09 LO94-91 940907 Diporeia sp. 3 1806 602.00 112.31 LO94-91 940907 Mysis relicta 3 1 0.33 0.58 LO94-91 940907 Turbellaria 3 10 3.33 1.53 LO94-91 940907 Stylodrilus heringianus 3 1 0.33 0.58 LO94-91 940907 Limnodrilus hoffmeisteri 3 19 6.33 1.15 LO94-91 940907 Limnodrilus profundicola 3 1 0.33 0.58 LO94-91 940907 Tasserkidrilus kesserli 3 1 0.33 0.58 LO94-91 940907 Tubifex tubifex 3 7 2.33 1.53 LO94-91 940907 Tubificidae immatures w/ hair setae 3 43 14.33 7.57 LO94-91 940907 Tubificidae immatures w/o hair setae 3 34 11.33 2.31 LO94-91 940907 Pisidium sp. 3 150 50.00 36.51 LO94-92 940906 Diporeia sp. 3 1832 610.67 62.95 LO94-92 940906 Mysis relicta 3 5 1.67 0.58 LO94-92 940906 Turbellaria 3 37 12.33 5.03 LO94-92 940906 Limnodrilus hoffmeisteri 3 24 8.00 5.20 LO94-92 940906 Limnodrilus profundicola 3 10 3.33 0.58 LO94-92 940906 Tasserkidrilus kesserli 3 1 0.33 0.58 LO94-92 940906 Tubifex tubifex 3 22 7.33 0.58 LO94-92 940906 Tubificidae immatures w/ hair setae 3 55 18.33 0.58 LO94-92 940906 Tubificidae immatures w/o hair setae 3 32 10.67 2.31 LO94-92 940906 Pisidium sp. 3 133 44.33 6.66 LO94-99 940914 Diporeia sp. 3 1503 501.00 73.91 LO94-99 940914 Mysis relicta 3 3 1.00 1.73 LO94-99 940914 Turbellaria 3 2 0.67 0.58 LO94-99 940914 Enchytraeidae 3 35 11.67 8.50 LO94-99 940914 Stylodrilus heringianus 3 162 54.00 13.53 LO94-99 940914 Limnodrilus hoffmeisteri 3 15 5.00 5.29 LO94-99 940914 Tubificidae immatures w/ hair setae 3 6 2.00 1.73 LO94-99 940914 Tubificidae immatures w/o hair setae 3 1 0.33 0.58 LO94-99 940914 Heterotrissocladius oliveri 3 39 13.67 10.21 LO94-99 940914 Micropsectra sp. 3 1 0.33 0.58 LO94-99 940914 Pisidium sp. 3 76 25.33 12.50 LO94-100 940914 Diporeia sp. 3 1748 582.67 114.51 LO94-100 940914 Mysis relicta 3 3 1.00 1.00 LO94-100 940914 Turbellaria 3 26 8.67 7.09 LO94-100 940914 Hydra sp. 3 1 0.33 0.58 LO94-100 940914 Enchytraeidae 3 2 0.67 0.58 LO94-100 940914 Stylodrilus heringianus 3 258 86.00 19.29 LO94-100 940914 Rhyacodrilus coccineus 3 3 1.00 1.73 LO94-100 940914 Tubificidae immatures w/ hair setae 3 4 1.33 1.53 LO94-100 940914 Tubificidae immatures w/o hair setae 3 3 1.00 1.73 LO94-100 940914 Heterotrissocladius oliveri 3 7 3.33 0.58 LO94-100 940914 Paracladopelma tuberculatum 3 2 0.67 1.15 LO94-100 940914 Pisidium sp. 3 343 114.33 33.50 LO94-104 940905 Mysis relicta 3 10 3.33 2.52 LO94-104 940905 Limnodrilus hoffmeisteri 3 6 2.00 1.00 LO94-104 940905 Limnodrilus profundicola 3 1 0.33 0.58 LO94-104 940905 Tubifex tubifex 3 7 2.33 2.08 LO94-104 940905 Tubificidae immatures w/ hair setae 3 44 14.67 5.77 LO94-104 940905 Tubificidae immatures w/o hair setae 3 71 23.67 16.50 LO94-104 940905 Dreissena bugensis 3 1 0.33 0.58 LO94-104 940905 Pisidium sp. 3 61 20.33 9.02 LO94-107 940905 Mysis relicta 3 12 4.00 2.65 LO94-107 940905 Turbellaria 3 2 0.67 1.15 LO94-107 940905 Limnodrilus hoffmeisteri 3 6 2.00 2.00 LO94-107 940905 Limnodrilus profundicola 3 4 1.33 1.15 LO94-107 940905 Tasserkidrilus kesserli 3 2 0.67 1.15 LO94-107 940905 Tubificidae immatures w/ hair setae 3 141 47.00 17.44 LO94-107 940905 Tubificidae immatures w/o hair setae 3 224 74.67 11.02 LO94-107 940905 Pisidium sp. 3 77 25.67 10.12 LO94-110 940910 Diporeia sp. 3 1106 368.67 42.39 LO94-110 940910 Mysis relicta 3 10 3.33 1.53 LO94-110 940910 Turbellaria 3 2 0.67 0.58 LO94-110 940910 Limnodrilus hoffmeisteri 3 4 1.33 1.53 LO94-110 940910 Limnodrilus profundicola 3 2 0.67 1.15 LO94-110 940910 Tubifex tubifex 3 14 4.67 6.43 LO94-110 940910 Tubificidae immatures w/ hair setae 3 4 1.33 1.15 LO94-110 940910 Tubificidae immatures w/o hair setae 3 15 5.00 3.46 LO94-110 940910 Pisidium sp. 3 32 10.67 2.52 LO94-111 940904 Diporeia sp. 3 386 128.67 57.01 LO94-111 940904 Mysis relicta 3 31 10.33 3.06 LO94-111 940904 Limnodrilus hoffmeisteri 3 28 9.33 9.71 LO94-111 940904 Limnodrilus profundicola 3 4 1.33 0.58 LO94-111 940904 Tasserkidrilus kesserli 3 2 0.67 1.15 LO94-111 940904 Tubifex tubifex 3 6 2.00 3.46 LO94-111 940904 Tubificidae immatures w/ hair setae 3 19 6.33 5.86 LO94-111 940904 Tubificidae immatures w/o hair setae 3 39 13.00 4.36 LO94-111 940904 Pisidium sp. 3 1 0.33 0.58 LO94-112 940910 Diporeia sp. 2 1081 540.50 58.69 LO94-112 940910 Mysis relicta 2 4 2.00 0.00 LO94-112 940910 Turbellaria 2 10 5.00 1.41 LO94-112 940910 Stylodrilus heringianus 2 146 73.00 16.97 LO94-112 940910 Pisidium sp. 2 32 16.00 0.00 LO94-114 940905 Gammarus fasciatus 3 31 10.33 5.51 LO94-114 940905 Piguetiella michiganensis 3 53 17.67 4.51 LO94-114 940905 Isochaetides curvisetosus 3 1 0.33 0.58 LO94-114 940905 Spirosperma ferox 3 11 3.67 6.35 LO94-114 940905 Tubificidae immatures w/ hair setae 3 47 15.67 9.87 LO94-114 940905 Heterotrissocladius changi 3 2 0.67 1.15 LO94-114 940905 Procladius sp. 3 2 1.33 2.31 LO94-114 940905 Tanytarsus sp. 3 2 0.67 1.15 LO94-114 940905 Dreissena polymorpha 3 6 2.00 2.65 LO94-114 940905 Pisidium sp. 3 36 12.00 14.80 LO94-114 940905 Sphaerium corneum 3 1 0.33 0.58 LO94-114 940905 unknown Hydrobiidae 3 1 0.33 0.58 LO94-114 940905 Amnicola limosa 3 18 6.00 2.65 LO94-114 940905 Amnicola walkeri 3 7 2.33 4.04 LO94-114 940905 Valvata sincera 3 13 4.33 4.04 LO94-114 940905 Oecetis sp. 3 5 1.67 2.89 LO94-115 940909 Diporeia sp. 3 840 280.00 23.58 LO94-115 940909 Mysis relicta 3 14 4.67 3.06 LO94-115 940909 Stylodrilus heringianus 3 3 1.00 1.73 LO94-115 940909 Limnodrilus hoffmeisteri 3 21 7.00 5.00 LO94-115 940909 Limnodrilus profundicola 3 1 0.33 0.58 LO94-115 940909 Tubifex tubifex 3 4 1.33 1.53 LO94-115 940909 Tubificidae immatures w/ hair setae 3 19 6.33 2.08 LO94-115 940909 Tubificidae immatures w/o hair setae 3 38 12.67 4.16 LO94-115 940909 Heterotrissocladius oliveri 3 1 0.33 0.58 LO94-115 940909 Pisidium sp. 3 8 2.67 0.58 LO94-119 940914 Diporeia sp. 3 1382 460.67 30.01 LO94-119 940914 Mysis relicta 3 14 4.67 3.06 LO94-119 940914 Stylodrilus heringianus 3 337 112.33 19.66 LO94-119 940914 Tubificidae immatures w/o hair setae 3 2 0.67 1.15 LO94-119 940914 Chironomus sp. 3 1 0.33 0.58 LO94-119 940914 Heterotrissocladius oliveri 3 5 1.67 1.53 LO94-119 940914 Micropsectra sp. 3 2 0.67 0.58 LO94-119 940914 Pisidium sp. 3 40 13.33 6.03 LO94-121 940910 Diporeia sp. 3 424 141.33 6.81 LO94-121 940910 Mysis relicta 3 4 1.33 0.58 LO94-121 940910 Turbellaria 3 3 1.00 1.00 LO94-121 940910 Stylodrilus heringianus 3 41 13.67 7.77 LO94-121 940910 Limnodrilus hoffmeisteri 3 5 1.67 2.08 LO94-121 940910 Tasserkidrilus kesserli 3 1 0.33 0.58 LO94-121 940910 Tubifex tubifex 3 4 1.33 1.53 LO94-121 940910 Tubificidae immatures w/ hair setae 3 1 0.33 0.58 LO94-121 940910 Tubificidae immatures w/o hair setae 3 13 4.33 3.06 LO94-121 940910 Pisidium sp. 3 2 0.67 1.15 LO94-122 940911 Diporeia sp. 3 377 125.67 8.14 LO94-122 940911 Mysis relicta 3 21 7.00 7.00 LO94-122 940911 Stylodrilus heringianus 3 10 3.33 1.53 LO94-122 940911 Limnodrilus hoffmeisteri 3 15 5.00 3.46 LO94-122 940911 Limnodrilus profundicola 3 5 1.67 1.53 LO94-122 940911 Tasserkidrilus kesserli 3 2 0.67 1.15 LO94-122 940911 Tubifex tubifex 3 9 3.00 2.65 LO94-122 940911 Tubificidae immatures w/ hair setae 3 37 12.33 3.51 LO94-122 940911 Tubificidae immatures w/o hair setae 3 33 11.00 2.65 LO94-122 940911 Heterotrissocladius oliveri 3 1 0.33 0.58 LO94-122 940911 Pisidium sp. 3 6 2.00 1.00 LO94-123 940904 Diporeia sp. 3 1 0.33 0.58 LO94-123 940904 Mysis relicta 3 12 4.00 1.73 LO94-123 940904 Turbellaria 3 3 1.00 1.00 LO94-123 940904 Stylodrilus heringianus 3 18 6.00 2.65 LO94-123 940904 Limnodrilus hoffmeisteri 3 6 2.00 1.73 LO94-123 940904 Tubificidae immatures w/ hair setae 3 59 19.67 17.16 LO94-123 940904 Tubificidae immatures w/o hair setae 3 118 39.33 27.01 LO94-123 940904 Paracladopelma winnelli 3 1 0.33 0.58 LO94-123 940904 Pisidium sp. 3 43 14.33 12.50 LO94-124 940910 Diporeia sp. 3 585 195.00 11.53 LO94-124 940910 Mysis relicta 3 2 0.67 0.58 LO94-124 940910 Stylodrilus heringianus 3 2 0.67 0.58 LO94-124 940910 Limnodrilus hoffmeisteri 3 5 1.67 0.58 LO94-124 940910 Tubifex tubifex 3 3 1.00 0.00 LO94-124 940910 Tubificidae immatures w/ hair setae 3 7 2.33 2.52 LO94-124 940910 Tubificidae immatures w/o hair setae 3 13 4.33 2.31 LO94-124 940910 Pisidium sp. 3 21 7.00 1.73 LO94-125 940909 Diporeia sp. 3 357 119.00 17.78 LO94-125 940909 Mysis relicta 3 3 1.00 1.00 LO94-125 940909 Turbellaria 3 1 0.33 0.58 LO94-125 940909 Stylodrilus heringianus 3 20 6.67 6.66 LO94-125 940909 Pisidium sp. 3 2 0.67 0.58 LO94-130 940909 Diporeia sp. 3 455 151.67 45.54 LO94-130 940909 Mysis relicta 3 10 3.33 3.06 LO94-130 940909 Stylodrilus heringianus 3 73 24.33 8.50 LO94-130 940909 Limnodrilus hoffmeisteri 3 2 0.67 0.58 LO94-130 940909 Tubifex tubifex 3 3 1.00 1.00 LO94-130 940909 Tubificidae immatures w/ hair setae 3 12 4.00 4.00 LO94-130 940909 Tubificidae immatures w/o hair setae 3 31 10.33 8.96 LO94-130 940909 Pisidium sp. 3 3 1.00 1.00 LO94-131 940911 Diporeia sp. 3 439 146.33 19.50 LO94-131 940911 Mysis relicta 3 32 10.67 2.52 LO94-131 940911 Stylodrilus heringianus 3 3 1.00 1.00 LO94-131 940911 Limnodrilus hoffmeisteri 3 25 8.33 4.62 LO94-131 940911 Limnodrilus profundicola 3 2 0.67 0.58 LO94-131 940911 Tubifex tubifex 3 13 4.33 1.15 LO94-131 940911 Tubificidae immatures w/ hair setae 3 14 4.67 5.69 LO94-131 940911 Tubificidae immatures w/o hair setae 3 42 14.00 5.20 LO94-131 940911 Pisidium sp. 3 12 4.00 5.29 LO94-133 940915 Diporeia sp. 3 337 112.33 29.16 LO94-133 940915 Mysis relicta 3 26 8.67 4.73 LO94-133 940915 Turbellaria 3 2 0.67 1.15 LO94-133 940915 Stylodrilus heringianus 3 12 4.00 3.46 LO94-133 940915 Limnodrilus hoffmeisteri 3 3 1.00 0.00 LO94-133 940915 Tubifex tubifex 3 9 3.00 2.65 LO94-133 940915 Tubificidae immatures w/ hair setae 3 3 1.00 1.73 LO94-133 940915 Tubificidae immatures w/o hair setae 3 11 3.67 4.62 LO94-133 940915 Pisidium sp. 3 5 1.67 1.53 LO94-136 940911 Diporeia sp. 2 290 145.00 9.90 LO94-136 940911 Mysis relicta 2 24 12.00 8.49 LO94-136 940911 Turbellaria 2 1 0.50 0.71 LO94-136 940911 Stylodrilus heringianus 2 31 15.50 3.54 LO94-136 940911 Limnodrilus hoffmeisteri 2 1 0.50 0.71 LO94-136 940911 Tubifex tubifex 2 1 0.50 0.71 LO94-136 940911 Tubificidae immatures w/ hair setae 2 2 1.00 1.41 LO94-136 940911 Tubificidae immatures w/o hair setae 2 1 0.50 0.71 LO94-137 940917 Diporeia sp. 3 559 186.33 39.72 LO94-137 940917 Mysis relicta 3 13 4.33 1.15 LO94-137 940917 Stylodrilus heringianus 3 21 7.00 3.00 LO94-137 940917 Limnodrilus hoffmeisteri 3 1 0.33 0.58 LO94-137 940917 Tubifex tubifex 3 11 3.67 3.21 LO94-137 940917 Tubificidae immatures w/o hair setae 3 9 3.00 1.00 LO94-137 940917 Heterotrissocladius oliveri 3 1 0.33 0.58 LO94-137 940917 Pisidium sp. 3 4 1.33 1.15 LO94-138 940914 Diporeia sp. 3 441 147.00 147.00 LO94-138 940914 Mysis relicta 3 9 3.00 3.00 LO94-138 940914 Stylodrilus heringianus 3 4 1.33 1.33 LO94-138 940914 Limnodrilus hoffmeisteri 3 32 10.67 10.67 LO94-138 940914 Tasserkidrilus kesserli 3 5 1.67 1.67 LO94-138 940914 Tubifex tubifex 3 13 4.33 4.33 LO94-138 940914 Tubificidae immatures w/ hair setae 3 53 17.67 17.67 LO94-138 940914 Tubificidae immatures w/o hair setae 3 76 25.33 25.33 LO94-138 940914 Heterotrissocladius oliveri 3 1 0.33 0.33 LO94-138 940914 Pisidium sp. 3 5 1.67 1.67 LO94-139 940916 Diporeia sp. 3 99 33.00 25.51 LO94-139 940916 Mysis relicta 3 5 1.67 2.08 LO94-139 940916 Limnodrilus hoffmeisteri 3 4 1.33 0.58 LO94-139 940916 Tubifex tubifex 3 4 1.33 1.15 LO94-139 940916 Tubificidae immatures w/ hair setae 3 14 4.67 3.51 LO94-139 940916 Tubificidae immatures w/o hair setae 3 35 11.67 9.87 LO94-139 940916 Pisidium sp. 3 1 0.33 0.58 LO94-141 940911 Diporeia sp. 3 431 143.67 18.58 LO94-141 940911 Mysis relicta 3 30 10.00 4.36 LO94-141 940911 Stylodrilus heringianus 3 49 16.33 7.37 LO94-141 940911 Limnodrilus hoffmeisteri 3 5 1.67 0.58 LO94-141 940911 Tubifex tubifex 3 4 1.33 2.31 LO94-141 940911 Tubificidae immatures w/ hair setae 3 5 1.67 0.58 LO94-141 940911 Tubificidae immatures w/o hair setae 3 25 8.33 4.73 LO94-141 940911 Heterotrissocladius oliveri 3 2 0.67 0.58 LO94-142 940913 Diporeia sp. 3 357 119.00 16.46 LO94-142 940913 Mysis relicta 3 32 10.67 11.59 LO94-142 940913 Enchytraeidae 3 19 6.33 7.09 LO94-142 940913 Stylodrilus heringianus 3 100 33.33 14.84 LO94-142 940913 Heterotrissocladius oliveri 3 6 2.00 1.00 LO94-142 940913 Pisidium sp. 3 8 2.67 1.53 LO94-144 940904 Diporeia sp. 3 1 0.33 0.58 LO94-144 940904 Mysis relicta 3 1 0.33 0.58 LO94-144 940904 Manayunkia speciosa 3 1 0.33 0.58 LO94-144 940904 Stylodrilus heringianus 3 15 5.00 4.36 LO94-144 940904 Limnodrilus hoffmeisteri 3 7 2.33 4.04 LO94-144 940904 Tubifex tubifex 3 2 0.67 0.58 LO94-144 940904 Tubificidae immatures w/ hair setae 3 42 14.00 7.00 LO94-144 940904 Tubificidae immatures w/o hair setae 3 24 8.00 3.61 LO94-144 940904 Pisidium sp. 3 69 23.00 4.36 LO94-148 940915 Diporeia sp. 3 545 181.67 94.24 LO94-148 940915 Mysis relicta 3 4 1.33 1.15 LO94-148 940915 Turbellaria 3 1 0.33 0.58 LO94-148 940915 Enchytraeidae 3 1 0.33 0.58 LO94-148 940915 Stylodrilus heringianus 3 29 9.67 10.02 LO94-148 940915 Limnodrilus hoffmeisteri 3 23 7.67 4.73 LO94-148 940915 Limnodrilus profundicola 3 2 0.67 1.15 LO94-148 940915 Tubifex tubifex 3 6 2.00 2.00 LO94-148 940915 Tubificidae immatures w/ hair setae 3 31 10.33 1.15 LO94-148 940915 Tubificidae immatures w/o hair setae 3 48 16.00 7.55 LO94-148 940915 Pisidium sp. 3 5 1.67 2.08 LO94-150 940904 Diporeia sp. 3 336 112.00 23.52 LO94-150 940904 Mysis relicta 3 3 1.00 1.00 LO94-150 940904 Turbellaria 3 1 0.33 0.58 LO94-150 940904 Stylodrilus heringianus 3 21 7.00 4.36 LO94-150 940904 Limnodrilus hoffmeisteri 3 20 6.67 3.06 LO94-150 940904 Tasserkidrilus kesserli 3 1 0.33 0.58 LO94-150 940904 Tubifex tubifex 3 13 4.33 0.58 LO94-150 940904 Tubificidae immatures w/ hair setae 3 66 22.00 4.58 LO94-150 940904 Tubificidae immatures w/o hair setae 3 162 54.00 1.00 LO94-150 940904 Heterotrissocladius oliveri 3 3 2.33 2.52 LO94-150 940904 Pisidium sp. 3 34 11.33 4.04 LO94-151 940913 Diporeia sp. 3 429 143.00 26.63 LO94-151 940913 Mysis relicta 3 6 2.00 1.73 LO94-151 940913 Manayunkia speciosa 3 1 0.33 0.58 LO94-151 940913 Stylodrilus heringianus 3 7 2.33 0.58 LO94-151 940913 Limnodrilus hoffmeisteri 3 4 1.33 1.53 LO94-151 940913 Limnodrilus profundicola 3 4 1.33 1.53 LO94-151 940913 Tasserkidrilus kesserli 3 3 1.00 1.73 LO94-151 940913 Tubifex tubifex 3 14 4.67 4.04 LO94-151 940913 Tubificidae immatures w/ hair setae 3 14 4.67 4.16 LO94-151 940913 Tubificidae immatures w/o hair setae 3 47 15.67 4.16 LO94-151 940913 Heterotrissocladius oliveri 3 3 1.00 1.00 LO94-151 940913 Pisidium sp. 3 7 2.33 1.15 LO94-152 940911 Diporeia sp. 3 420 140.00 38.20 LO94-152 940911 Mysis relicta 3 9 3.00 1.00 LO94-152 940911 Turbellaria 3 1 0.33 0.58 LO94-152 940911 Enchytraeidae 3 1 0.33 0.58 LO94-152 940911 Stylodrilus heringianus 3 187 62.33 19.22 LO94-152 940911 Limnodrilus hoffmeisteri 3 1 0.33 0.58 LO94-152 940911 Rhyacodrilus coccineus 3 1 0.33 0.58 LO94-152 940911 Heterotrissocladius oliveri 3 3 1.00 1.00 LO94-152 940911 Pisidium sp. 3 6 2.00 3.46 LO94-154 940914 Diporeia sp. 3 625 208.33 28.04 LO94-154 940914 Mysis relicta 3 9 3.00 1.73 LO94-154 940914 Turbellaria 3 1 0.33 0.58 LO94-154 940914 Stylodrilus heringianus 3 12 4.00 2.00 LO94-154 940914 Chaetogaster diaphanus 3 1 0.33 0.58 LO94-154 940914 Limnodrilus hoffmeisteri 3 10 3.33 1.53 LO94-154 940914 Limnodrilus profundicola 3 1 0.33 0.58 LO94-154 940914 Tasserkidrilus kesserli 3 1 0.33 0.58 LO94-154 940914 Tubifex tubifex 3 9 3.00 1.73 LO94-154 940914 Tubificidae immatures w/ hair setae 3 7 2.33 1.53 LO94-154 940914 Tubificidae immatures w/o hair setae 3 32 10.67 0.58 LO94-154 940914 Heterotrissocladius oliveri 3 2 6.67 2.08 LO94-154 940914 Pisidium sp. 3 19 6.33 4.04 LO94-155 940912 Diporeia sp. 3 711 237.00 87.57 LO94-155 940912 Mysis relicta 3 12 4.00 2.00 LO94-155 940912 Turbellaria 3 3 1.00 1.00 LO94-155 940912 Stylodrilus heringianus 3 32 10.67 3.79 LO94-155 940912 Limnodrilus hoffmeisteri 3 11 3.67 1.15 LO94-155 940912 Limnodrilus profundicola 3 2 0.67 1.15 LO94-155 940912 Tubifex tubifex 3 29 9.67 8.14 LO94-155 940912 Tubificidae immatures w/ hair setae 3 26 8.67 6.35 LO94-155 940912 Tubificidae immatures w/o hair setae 3 95 31.67 6.81 LO94-155 940912 Heterotrissocladius oliveri 3 6 2.00 1.73 LO94-155 940912 Pisidium sp. 3 39 13.00 6.00 LO94-156 940919 Diporeia sp. 3 350 116.67 14.74 LO94-156 940919 Mysis relicta 3 7 2.33 2.52 LO94-156 940919 Stylodrilus heringianus 3 15 5.00 1.00 LO94-156 940919 Spirosperma ferox 3 1 0.33 0.58 LO94-156 940919 Spirosperma nikolskyi 3 1 0.33 0.58 LO94-156 940919 Tubifex tubifex 3 6 2.00 1.73 LO94-156 940919 Tubificidae immatures w/ hair setae 3 1 0.33 0.58 LO94-156 940919 Tubificidae immatures w/o hair setae 3 13 4.33 2.31 LO94-156 940919 Heterotrissocladius oliveri 3 3 1.00 1.00 LO94-156 940919 Pisidium sp. 3 8 2.67 2.31 LO94-157 940919 Gammarus fasciatus 3 3 1.00 0.00 LO94-157 940919 Turbellaria 3 3 1.00 1.00 LO94-157 940919 Manayunkia speciosa 3 44 14.67 3.06 LO94-157 940919 Stylodrilus heringianus 3 17 5.67 5.51 LO94-157 940919 Vejdovskyella intermedia 3 10 3.33 5.77 LO94-157 940919 Isochaetides freyi 3 1 0.33 0.58 LO94-157 940919 Limnodrilus hoffmeisteri 3 8 2.67 1.15 LO94-157 940919 Potamothrix moldaviensis 3 2 0.67 1.15 LO94-157 940919 Potamothrix vejdovskyi 3 4 1.33 1.53 LO94-157 940919 Spirosperma ferox 3 11 3.67 4.04 LO94-157 940919 Tubificidae immatures w/ hair setae 3 12 4.00 2.00 LO94-157 940919 Tubificidae immatures w/o hair setae 3 2 0.67 1.15 LO94-157 940919 Micropsectra sp. 3 2 3.00 1.73 LO94-157 940919 Paracladopelma winnelli 3 2 2.67 2.08 LO94-157 940919 Dreissena polymorpha 3 4 1.33 2.31 LO94-157 940919 Dreissena bugensis 3 3 1.00 1.00 LO94-157 940919 Pisidium sp. 3 5 1.67 1.53 LO94-157 940919 Sphaerium sp. 3 2 0.67 1.15 LO94-157 940919 Amnicola limosa 3 1 0.33 0.58 LO94-157 940919 Physa sp. 3 1 0.33 0.58 LO94-157 940919 Valvata sincera 3 12 4.00 2.00 LO94-157 940919 Valvata tricarinata 3 14 4.67 2.08 LO94-158 940917 Diporeia sp. 3 385 128.33 49.01 LO94-158 940917 Mysis relicta 3 8 2.67 1.53 LO94-158 940917 Turbellaria 3 1 0.33 0.58 LO94-158 940917 Stylodrilus heringianus 3 41 13.67 2.08 LO94-158 940917 Tubificidae immatures w/o hair setae 3 1 0.33 0.58 LO94-158 940917 Pisidium sp. 3 13 4.33 3.51 LO94-159 940919 Diporeia sp. 3 429 143.00 35.51 LO94-159 940919 Mysis relicta 3 6 2.00 1.73 LO94-159 940919 Turbellaria 3 1 0.33 0.58 LO94-159 940919 Stylodrilus heringianus 3 8 2.67 0.58 LO94-159 940919 Limnodrilus hoffmeisteri 3 3 1.00 1.73 LO94-159 940919 Limnodrilus profundicola 3 2 0.67 1.15 LO94-159 940919 Tubifex tubifex 3 1 0.33 0.58 LO94-159 940919 Tubificidae immatures w/ hair setae 3 7 2.33 2.31 LO94-159 940919 Tubificidae immatures w/o hair setae 3 14 4.67 5.03 LO94-159 940919 Heterotrissocladius oliveri 3 7 2.33 2.52 LO94-159 940919 Pisidium sp. 3 9 3.00 0.00 LO94-161 940917 Diporeia sp. 3 408 136.00 22.65 LO94-161 940917 Mysis relicta 3 1 0.33 0.58 LO94-161 940917 Turbellaria 3 1 0.33 0.58 LO94-161 940917 Stylodrilus heringianus 3 66 22.00 12.29 LO94-161 940917 Piguetiella michiganensis 3 1 0.33 0.58 LO94-161 940917 Pisidium sp. 3 3 1.00 1.00 LO94-162 940919 Diporeia sp. 3 265 88.33 13.32 LO94-162 940919 Mysis relicta 3 16 5.33 2.08 LO94-162 940919 Stylodrilus heringianus 3 17 5.67 5.13 LO94-162 940919 Limnodrilus hoffmeisteri 3 3 1.00 1.73 LO94-162 940919 Limnodrilus profundicola 3 1 0.33 0.58 LO94-162 940919 Tubifex tubifex 3 1 0.33 0.58 LO94-162 940919 Tubificidae immatures w/ hair setae 3 39 13.00 6.24 LO94-162 940919 Tubificidae immatures w/o hair setae 3 57 19.00 10.58 LO94-162 940919 Heterotrissocladius oliveri 3 2 0.67 0.58 LO94-162 940919 Pisidium sp. 3 13 4.33 4.04 LO94-163 940919 Diporeia sp. 3 307 102.33 46.82 LO94-163 940919 Mysis relicta 3 10 3.33 2.52 LO94-163 940919 Turbellaria 3 6 2.00 2.00 LO94-163 940919 Stylodrilus heringianus 3 151 50.33 15.50 LO94-163 940919 Limnodrilus hoffmeisteri 3 6 2.00 1.00 LO94-163 940919 Tubifex tubifex 3 2 0.67 0.58 LO94-163 940919 Tubificidae immatures w/ hair setae 3 19 6.33 4.04 LO94-163 940919 Tubificidae immatures w/o hair setae 3 25 8.33 1.15 LO94-163 940919 Heterotrissocladius oliveri 3 6 2.00 1.00 LO94-163 940919 Pisidium sp. 3 193 64.33 32.19 LO94-164 940917 Diporeia sp. 3 509 169.67 28.01 LO94-164 940917 Mysis relicta 3 1 0.33 0.58 LO94-164 940917 Stylodrilus heringianus 3 39 13.00 14.73 LO94-164 940917 Limnodrilus hoffmeisteri 3 1 0.33 0.58 LO94-164 940917 Tubificidae immatures w/o hair setae 3 2 0.67 1.15 LO94-164 940917 Heterotrissocladius oliveri 3 3 1.00 1.00 LO94-164 940917 Micropsectra sp. 3 4 1.33 1.53 LO94-164 940917 Pisidium sp. 3 10 3.33 2.31 LO94-170 940918 Diporeia sp. 3 601 200.33 56.54 LO94-170 940918 Mysis relicta 3 9 3.00 1.00 LO94-170 940918 Stylodrilus heringianus 3 27 9.00 2.00 LO94-170 940918 Limnodrilus hoffmeisteri 3 21 7.00 4.36 LO94-170 940918 Limnodrilus profundicola 3 1 0.33 0.58 LO94-170 940918 Tasserkidrilus kesserli 3 3 1.00 1.00 LO94-170 940918 Tubifex tubifex 3 2 0.67 1.15 LO94-170 940918 Tubificidae immatures w/ hair setae 3 65 21.67 19.50 LO94-170 940918 Tubificidae immatures w/o hair setae 3 61 20.33 22.23 LO94-170 940918 Heterotrissocladius oliveri 3 3 1.33 0.58 LO94-170 940918 Pisidium sp. 3 15 5.00 3.46 LO94-172 940913 Turbellaria 2 19 9.50 2.12 LO94-172 940913 Hydra sp. 2 46 23.00 24.04 LO94-172 940913 Manayunkia speciosa 2 104 52.00 5.66 LO94-172 940913 Stylodrilus heringianus 2 161 80.50 7.78 LO94-172 940913 Nais pseudobtusa 2 6 3.00 4.24 LO94-172 940913 Slavina appendicular 2 7 3.50 4.95 LO94-172 940913 Stylaria lacustris 2 7 3.50 4.95 LO94-172 940913 Vejdovskyella intermedia 2 6 3.00 4.24 LO94-172 940913 Audrilus limnobius 2 7 3.50 4.95 LO94-172 940913 Spirosperma ferox 2 354 177.00 26.87 LO94-172 940913 Tubificidae immatures w/ hair setae 2 146 73.00 53.74 LO94-172 940913 Helobdella stagnalis 2 1 0.50 0.71 LO94-172 940913 Chironomus sp. 2 32 16.00 16.97 LO94-172 940913 Monodiamesa tuberculata 2 2 1.00 1.41 LO94-172 940913 Paralauterborniella sp. 2 1 0.50 0.71 LO94-172 940913 Tanytarsus sp. 2 8 4.00 2.83 LO94-172 940913 Pisidium sp. 2 16 8.00 2.83 LO94-172 940913 Amnicola limosa 2 3 1.50 2.12 LO94-172 940913 Amnicola walkeri 2 1 0.50 0.71 LO94-172 940913 Physa sp. 2 3 1.50 0.71 LO94-172 940913 Valvata sincera 2 15 7.50 4.95 LO94-172 940913 Valvata tricarinata 2 18 9.00 8.49 LO94-185 940918 Diporeia sp. 3 1058 352.67 17.62 LO94-185 940918 Mysis relicta 3 8 2.67 2.52 LO94-185 940918 Turbellaria 3 4 1.33 2.31 LO94-185 940918 Stylodrilus heringianus 3 17 5.67 1.53 LO94-185 940918 Limnodrilus hoffmeisteri 3 7 2.33 0.58 LO94-185 940918 Tubifex tubifex 3 23 7.67 8.33 LO94-185 940918 Tubificidae immatures w/ hair setae 3 1 0.33 0.58 LO94-185 940918 Tubificidae immatures w/o hair setae 3 26 8.67 5.51 LO94-185 940918 Pisidium sp. 3 31 10.33 5.51 LO94-186 940917 Diporeia sp. 2 791 395.50 2.12 LO94-186 940917 Mysis relicta 2 16 8.00 0.00 LO94-186 940917 Turbellaria 2 2 1.00 1.41 LO94-186 940917 Stylodrilus heringianus 2 24 12.00 5.66 LO94-186 940917 Limnodrilus hoffmeisteri 2 2 1.00 1.41 LO94-186 940917 Tubifex tubifex 2 7 3.50 2.12 LO94-186 940917 Tubificidae immatures w/ hair setae 2 1 0.50 0.71 LO94-186 940917 Tubificidae immatures w/o hair setae 2 38 19.00 4.24 LO94-186 940917 Heterotrissocladius oliveri 2 2 1.00 1.41 LO94-186 940917 Pisidium sp. 2 27 13.50 3.54 LO94-198 940918 Diporeia sp. 3 691 230.33 76.81 LO94-198 940918 Mysis relicta 3 5 1.67 2.08 LO94-198 940918 Stylodrilus heringianus 3 27 9.00 1.73 LO94-198 940918 Tubifex tubifex 3 12 4.00 4.58 LO94-198 940918 Tubificidae immatures w/ hair setae 3 5 1.67 1.15 LO94-198 940918 Tubificidae immatures w/o hair setae 3 49 16.33 10.21 LO94-198 940918 Pisidium sp. 3 25 8.33 3.21 LO94-201 940919 Diporeia sp. 3 43 14.33 23.97 LO94-201 940919 Gammarus fasciatus 3 2 0.67 1.15 LO94-201 940919 Turbellaria 3 2 0.67 0.58 LO94-201 940919 Stylodrilus heringianus 3 149 49.67 41.77 LO94-201 940919 Ophidonais serpentina 3 8 2.67 4.62 LO94-201 940919 Slavina appendicular 3 26 8.67 0.58 LO94-201 940919 Stylaria lacustris 3 8 2.67 4.62 LO94-201 940919 Limnodrilus hoffmeisteri 3 8 2.67 4.62 LO94-201 940919 Potamothrix moldaviensis 3 44 14.67 4.93 LO94-201 940919 Potamothrix vejdovskyi 3 105 35.00 27.00 LO94-201 940919 Spirosperma ferox 3 596 198.67 105.17 LO94-201 940919 Tubificidae immatures w/ hair setae 3 228 76.00 37.47 LO94-201 940919 Tubificidae immatures w/o hair setae 3 27 9.00 15.59 LO94-201 940919 Glossiphonia complanata 3 1 0.33 0.58 LO94-201 940919 Dreissena bugensis 3 6 2.00 2.65 LO94-201 940919 Musculium sp. 3 1 0.33 0.58 LO94-201 940919 Pisidium sp. 3 55 18.33 10.60 LO94-201 940919 Sphaerium sp. 3 1 0.33 0.58 LO94-201 940919 Sphaerium nitidum 3 1 0.33 0.58 LO94-201 940919 Valvata sincera 3 3 1.00 1.73