Mattawoman Watershed Society, Inc.

Join us to enjoy, protect, and preserve Mattawoman Creek
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Comprehensive Plan
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Mattawoman falters
A Rare Resource at Risk
Satellite Map
Fact Sheet
Climate Change Article
Sprawl and Climate Change
A Tale of Two Streams
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Appendix 1
Appendix 2
Appendix 3
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Overcup Oak
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Fish Eggs Tell a Story
Benthic macroinvertebrate communities indicate aquatic quality
Benthic macro-invertebrates* are easily visible bottom-dwelling animals such as insect larvae. They form an important element of the aquatic food chain. The species composition indicates aquatic quality.  The mayfly-larva icons show sites sampled by volunteers with DNR’s Stream Waders program.  (Data from ref. 2)