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Scholars Day 2006, Wednesday, April 12

Microcystin Toxins in Lake Ontario and its Embayments 2003-2005

Due to the eutrophication of our waterways caused by anthropogenic inputs of nutrients there has been an increase in the occurrence of cyanobacterial algal blooms worldwide. Many of these algal blooms produce potent toxins that can have serious effects on both humans and wildlife. Over the last decade many monitoring programs have been instituted in coastal marine locations to the neglect of freshwater systems that are experiencing the same problems. This presentation will cover current findings of algal toxins in Upstate NY waters, specifically Lake Ontario. Also, I will be discussing the potential bioaccumulation of these toxins in filamentous green algae (Cladophora) in Lake Ontario and the potential impact this may have on beaches and coastal regions along the lake. Finally I will discuss briefly the use of specific pigments for monitoring of cyanobacteria.

Presenter: William Guenther (Graduate Student)
Topic: Environmental Science
Location: 104 Edwards
Time: 11 am (Session II)