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Wisconsin Professor Receives International Award
Steve Carpenter, a professor of limnology and zoology at the University of Wisconsin Madison has received the 2011 Stockholm Water Prize.

One of the highest awards in this field, Carpenter received $150,000 and a crystal sculpture. Judges described Carpenter as “one of the world’s most influential environmental scientists in the field of ecology.”

Carpenter is best known for his research on trophic cascades in lakes -- a concept which describes how impacts on any species in an ecosystem will cascade down, or up, the food chain. For example, overfishing of large fish in a lake can result in an increase of small fish, thus decreasing the abundance of zooplankton further down the food chain.

 
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Long-Banned Toxics are Still Accumulating in Great Lakes Birds - Decades ago several bird species in the Great Lakes—including the iconic bald eagle—faced an uncertain future because toxic chemicals were threatening their populations. While several bans and policies have offered some protection, the same chemicals threatening these birds 60 years ago continue to accumulate in their bodies.


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