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Crested Floating Heart Invading Southeastern United States
Crested Floating Heart is lovely aquatic plant that is marketed as an ornamentally lily. It is readily available online and through local garden stores, but experts from the Weed Science Society of America say it can be a real nuisance.

Crested floating heart was introduced to the U.S. from Asia. When it escapes from its intended home, it quickly takes over which can impact water supplies, disrupt natural ecosystems and impede recreational activities such as boating, swimming and fishing.

It grows quickly and forms dense canopies that float along the surface of a body of water. In just two years, a 20-acre infestation ballooned to more than 2,000 acres and the latest estimates suggest it now covers 6,000 acres of South Carolina’s Lake Marion.


 
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Stormwater Pollution is Killing Coho Before Spawning - Researchers at NOAA’s Northwest Fisheries Science Center in Seattle worked with collaborators, including the U.S. Fish and Wildlife Service, local tribes and the Wild Fish Conservancy, to survey 51 sites from 2000 to 2011 in streams all over the Puget Sound basin. They used the survey data with a new computer model to map predicted coho death rates. The results show that in an estimated 40 percent of their range in the Puget Sound Basin, 10 to 40 percent of coho salmon die before they can even spawn because of pollution.


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