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Water Management Associations
Zebra Mussel Fears Mellow as Prevention Efforts Slow Spread
When zebra mussels showed up in Pelican Lake in Otter Tail County, Minn., about a decade ago, their arrival sparked alarm. Ten years later and the worst case scenario hasn't been reached yet.

Because of their filtering ability, zebra mussels make lake water clearer, which can encourage plant growth. For that reason, locals suspect zebra mussels are behind an increase in weed growth in recent years.

A recent walleye tournament yielded some of the biggest fish ever pulled out of the lake, but this may be short lived.  A study by the Aquatic Invasive Species Research Center found that walleye in lakes infested with zebra mussels or spiny waterflea were 12% to 14% smaller after infestation.

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Heavy Snow Cover Didn’t Deter Milfoil - Conventional wisdom going into this spring and summer was that the heavy snowfall of this year — including on frozen lakes — would mean less milfoil on local lakes.

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