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HDT Course Resources

HD Field Data Sheet

HD Guidance

HD Statute

TN Hydrologic Determination Training Documents for Download (password required)


Useful Macroinvertebrate Identification Tools

The Schroud Water Research Center (https://stroudcenter.org/macros/key/) offers a basic downloadable 6-page macroinvertebrate identification key (https://stroudcenter.org/wp-content/uploads/MacroKey_Complete.pdf).
To view their Aquatic Macroinvertebrate Photo Gallery go to:  https://stroudcenter.org/macros/gallery/

West Virginia Department pf Environmental Protection Guide to Aquatic Invertebrates:  https://dep.wv.gov/WWE/getinvolved/sos/Pages/Benthics.aspx

Family-Level Key to the Stream Invertebrates of Maryland and Surrounding Areas:
http://dnr.maryland.gov/streams/Publications/ea-99-2_rev2003.pdf

Volunteer Stream Monitoring Interactive Verification Program (VSM-IVP):  This web page will serve as your entry into interactive pages to verify identifications of aquatic insects of the Family level. Pictures are provided for you to match to your specimen:  http://midge.cfans.umn.edu/vsmivp