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Author: Jennifer Forman Orth

Invading your brain since 2002.

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Sunday, October 26, 2008

Damming With Feint Praise  

There was an interesting new study published in last month's Frontiers in Ecology and the Environment regarding the propensity for man-made reservoirs to act as, well, reservoirs for aquatic invasive species. Researchers looked at five well-known invaders in the Great Lakes region: Eurasian watermilfoil (Myriophyllum spicatum), zebra mussels (Dreissena polymorpha), spiny water fleas (Bythotrephes longimanus), rainbow smelt (Osmerus mordax), and rusty crayfish (Orconectes rusticus). They found that the reservoirs and other man-made impoundments not only hold more invaders than natural lakes, they also increase the risk of invasive species being introduced to those natural lakes. The University of Wisconsin has a press release on the topic, or you can download the full research article.

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