The effects of depth on periphytic growth in Douglas Lake.

In this study we investigated the relationship between light and periphytic communities in a freshwater lake. We sampled periphytic algae at increasing depths along a vertical transect in Douglas Lake. We anticipated that certain algal genera would reveal a preference for certain depths, that algal population sizes would decrease with increasing depth and that there would be fewer genera exploiting the lower depths.http://deepblue.lib.umich.edu/bitstream/2027.42/54337/1/2773.pdfDescription of 2773.pdf : Access restricted to on-site users at the U-M Biological Station