Lenz, The short answer is pathogens and nutrients. The former are a danger to some nonhuman animals. The latter may cause what's called diurnal oxygen depression when prolific photosynthizing algae shut down at night causing anoxic conditions that smother fish and other organisms dependent upon oxygen. Sid Taylor *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Thu Mar 21 2002 - 06:21:06 PST
This archive was generated by hypermail 2.4.0 : Thu Aug 21 2025 - 16:30:51 PDT