Water quality invertebrate organizing

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Mayfly

pollution sensitive (class 1)

Caddisfly

pollution sensitive (class 1)

Stonefly

pollution sensitive (class 1)

Dobsonfly

pollution sensitive (class 1)

Gilled Snails

pollution sensitive (class 1)

Water Penny

pollution sensitive (class 1)

Riffle Beetle

pollution sensitive (class 1)

Water Scorpion

pollution sensitive (class 1)

Aquatic Sowbug

moderately sensitive (class 2)

Damselfly

moderately sensitive (class 2)

Dragonfly

moderately sensitive (class 2)

Scuds

moderately sensitive (class 2)

Crane Fly

moderately sensitive (class 2)

Water Mite

moderately tolerant (class 3)

Midge

moderately tolerant (class 3)

Blackfly

moderately tolerant (class 3)

Flatworm

moderately tolerant (class 3)

Leeches

moderately tolerant (class 3)

Air Breathing Snail

pollution tolerant (class 4)

Deer/Horse Fly

pollution tolerant (class 4)

Tubifex

pollution tolerant (class 4)

Blood Midge

pollution tolerant (class 4)

Whirligig Beetle

air breathing (class 5)

Water Strider

air breathing (class 5)

Mosquito 

air breathing (class 5)

Giant Water Bug

air breathing (class 5)

Back Swimmer

air breathing (class 5)

Water Boatman

air breathing (class 5)

Predaceous Diving Beetle

air breathing (class 5)

Purple Loosestrife

aquatic nuisance plants

Eurasian Water Milfoil

aquatic nuisance plants

Water Hyacinth

aquatic nuisance plants

Zebra Mussel

aquatic nuisance animals

Spiny Water Flea

aquatic nuisance animals

Asian Tiger Mosquito

aquatic nuisance animals

Asian Carp

aquatic nuisance animals

Crayfish/Crawdads

aquatic nuisance animals

scrapers/grazers

algae and associated materials

shredders

leaf litter or other CPOM (Course particular organic matter)

collector-gatherers

collect FPOM from the stream bottom (Fine particular organic matter)

collectors-filterers

collect FPOM from the water column using a variety of filters (Fine particular organic matter)

predators

feed on other consumers