Aquatic Indicators Text: Ted Schaffer Editor: Laurie Rosenberg Assistant Editor: Nadine Smith Illustrator: Jamie Buckwalter MUHLENBERG COLLEGE
Esherichia Coli (E. Coli) http://www.bact.wisc.edu/Bact330/lectureecoli
E. Coli Colonies on Agar Plate http://www.bact.wisc.edu/Bact330/lectureecoli
Fast running streams with cold water - high dissolved oxygen levels. Still, shallow bodies of water - low dissolved oxygen levels.
Larvae: Dobsonfly, Mayfly, Stonefly Illustrations by
Damselfly adult and larvae (with gills) http://biodidac.bio.uottawa.ca
Examples of Fairly Tolerant Organisms Scud or amphipod Midge Fly Larvae Illustrations by