Executive Summary

To determine if nitrogen or phosphorus limits primary production in a coastal watershed and to characterize the periphyton community.



We used GIS to identify study sites. We selected representative deciduous and coniferous stream reaches from 1st-2nd, 3rd-5th, and 6th-7th order streams.

We collected periphyton on artificial substrates placed at all sites.

Spring and fall periphyton samples will be collected. Algae will be identified and enumerated.

We placed nutrient diffusing media at selected sites to measure N and P limitation in situ.