Macroinvertebrate Samples
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Macroinvertebrate Samples

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Students observed macroinvertebrate samples from local creeks to help determine water quality.

Students observed macroinvertebrate samples from local creeks to help determine water quality.

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    Macroinvertebrate Samples Macroinvertebrate Samples Presentation Transcript

    • Four Mile Creek Shipbuilders Creek Mill Creek March 2009 Macroinvertebrate Samples
    • We think this is a caddisfly.
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    •  
    • We have no idea what this is. Can anyone help identify this macroinvertebrate?
    • This looks like a riffle beetle.
    • Check out this mayfly nymph!
    • This crayfish was about 10 cm long!
    • Two tails, antenna, 3 pairs of legs – must be stonefly nymphs!
    • A few stonefly nymphs looked like they were getting wings! Magnified View
    • Isopod & Stonefly Nymph
    • We always find lots of amphipods (scuds).
    • We aren’t sure what kind of macroinvertebrate this is. It has lots of legs, a segmented body, and antenna.
    • Look at the colors on this aquatic worm!
    • What new questions do you have about macroinvertebrates?