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Otter Tail Focuses More on Stopping Starry Stonewort
When people hear the term Aquatic Invasive Species (AIS), what comes to mind for most people is Zebra Mussels.

A more serious problem, note members of the Otter Tail County AIS Task Force, is the spread of Starry Stonewort into area lakes and rivers.

Starry Stonewort can be distinguished from other grass-like algae by the presence of star-shaped bulbils, according to the Minnesota Department of Natural Resources (DNR). This invasive species can produce dense mats at the water's surface.

In some lakes, treatment with herbicides can suppress Starry Stonewort. Mechanical removal usinge a weed harvester can also be effective.




 
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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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