Periphyton is a complex matrix of algae and heterotrophic microbes attached to submerged substrata in almost all aquatic ecosystems. It serves as an important food source for invertebrates and some fish, and it can be an important sorber of contaminants. Periphyton is also an important indicator of water quality; responses of this community to pollutants can be measured at a variety of times scales representing physiological to community-level changes.



Three different types of periphyton analysis are conducted for this task: (1) monitoring of periphyton biomass (chlorophyll a) and productivity, (2) detailed lipid analyses, and (3) contaminant uptake.

Periphyton Process

Click the Image to see the Periphyton Process


Periphyton testing results are available for:

For more information regarding Periphyton Studies, please contact Marshall Adams.

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Last Modified: April 17, 2001