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Macroinvertebrates

Macroinvertebrates. Sample Research Presentation Biology 101 Fall 2013. Macroinveretebrates – our focus.

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Macroinvertebrates

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  1. Macroinvertebrates Sample Research Presentation Biology 101 Fall 2013

  2. Macroinveretebrates – our focus Macroinvertebrates are an essential ingredient in healthy streams, serving as an essential part of the stream’s food chain and reflecting the overall livability of the stream for all types of organisms.

  3. What are macroinvertebrates? • An animal without a backbone, large enough to be seen with the naked eye. • Examples of macroinvertebrates include: crayfish, snails, clams, aquatic worms, leeches, and the larval and nymph stages of many insects, including dragonflies, mosquitoes, and mayflies. • “Macroinvertebrates are excellent indicators of water quality because they cannot move to a different section of water if the water they are in is uninhabitable.” (“Vocabulary Catalog List Detail”)

  4. Where do they live? • Macroinvertebrates live in streams, as an important part of the stream food web. These invertebrates feed on bacteria, fungi, algae, and partially decomposed leavesand provide food for predators. (Rapp)

  5. Types of macroinvertebrates Sensitive to Pollution Resilient in Pollution Aquatic Worms Left-handed Snail Rat-tailed Maggot • Stonefly Nymph • Mayfly Nymph • Riffle Beatle Adult and Larva (MacroinvertebrateIdentification Key)

  6. (MacroinvertebrateIdentification Key)

  7. Works Cited MacroinvertebrateIdentification Key. Digital image. Macd.org. Michigan Conservation Districts, n.d. Web. 21 Oct. 2013. Rapp, Valerie. What the River Reveals: Understanding and Restoring Healthy Watersheds. Seattle, WA: Mountaineers, 1997. Print. "Vocabulary Catalog List Detail - Lake Erie Lakewide Management Plan (LaMP) Glossary." EPA.gov. Region 5/Great Lakes National Program Office, 09 Dec. 2011. Web. 21 Oct. 2013.

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