Macroinvertebrates Total Number of Kinds Tolerance Value Tolerance

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Macroinvertebrates Total Number of Kinds Tolerance Value Tolerance

Tolerance Tolerance Tolerance Tolerance Macroinvertebrates Total Number of Kinds Macroinvertebrates Total Number of Kinds Value Score Value Score Minnow mayflies 24 1 4 96 Riffle beetle 12 1 4 48 Brush-legged mayfly 3 0 Long-toed beetle 5 0 Flatheaded mayfly 4 1 3 12 Whirligig beetle 5 0 Spiny crawler mayfly 20 1 3 60 Water penny 3 0 Square-gilled mayflies 5 0 Other beetles 7 0 Prong-gilled mayfly 3 0 True bugs 8 0 Burrowing mayflies 4 0 Fishfly/Hellgrammite 3 0 Patterned stoneflies 1 0 Alderfly 6 0 Winter stoneflies 2 0 Non-biting midge 9 0 Little brown stonefly 2 0 Black fly 16 1 6 96 Roach-like stonefly 1 0 Crane fly 8 1 5 40 Giant stonefly 1 0 Watersnipe fly 3 0 Case-building caddisflies 3 0 Dance fly 6 0 Net-spinning caddisflies 132 1 4 528 Dixid midge 5 0 Common netspinner 248 1 5 1240 Net-wing midge 2 0 Free-living caddisfly 3 0 Horse fly 7 0 Dragonflies 1 1 4 4 Other fly larva 8 0 Damselflies 7 0 Aquatic moth 6 0 Non-Insect Groups Crayfish 5 0 Pea clam 5 0 Scud/Sideswimmer 1 1 5 5 Asian clam 6 0 Aquatic sowbug 1 1 7 7 Mussel 4 0 Water mites 6 0 Operculate snails 5 0 Aquatic worms 36 1 10 360 Non-operculate snails 7 0 Leeches 10 0 0 Other invertebrates Flatworms 36 1 7 252 0 Point Total Total number collected 539 Metrics Results 2748 Values Tolerance Total Taxa 13 6 59.1 22 EPT Taxa 5 6 39.2 13 This spreadsheet shows two different approaches for integrating the six metrics used to evaluate the conditions of the macroinvertebrate community. The first is Biotic Index 5.10 6 70.0 3.0 based on a relatively simple point value system; the second is based on best % EPT Abundance 79.4 8 88.2 90.0 standard values (BSV). These BSV are developed from reference conditions. Each % Dominance 46.0 4 67.5 20.0 metric is calculated and formulas are applied using either point values or BSV. The % Tolerant 13.5 6 88.2 2.0 example provided here is based on collections from a recent Elkhorn Creek survey. Stream Score 36 68.7 BSV Integrity rating Suboptimal Suboptimal .

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Two Additional Invasive Scarabaeoid Beetles (Coleoptera: Scarabaeidae: Dynastinae) in Hawaii
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