Investigating Aquatic Insects

Duration:

5 minutes, 58 seconds

Dr. R. Edward DeWalt, a scientist with the Illinois Natural History Survey, enlists volunteers to see what stoneflies, mayflies, and caddisflies say about water quality at Sleeping Bear Dunes and Indiana Dunes National Lakeshores.

 

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  Scientists and Citizens – with Audio Description and Closed Captioning

  Dr. R. Edward DeWalt, a scientist with the Illinois Natural History Survey, enlists volunteers to see what stoneflies, mayflies, and caddisflies say about water quality at Sleeping Bear Dunes and Indiana Dunes National Lakeshores.

  Duration:

  6 minutes, 13 seconds