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Author: Jennifer Forman Orth

Invading your brain since 2002.

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Friday, December 08, 2006

Win, Lose or Drawdown  

The Berkshire Eagle has a story about a city's efforts to control one lake's problem with Eurasian watermilfoil (Myriophyllum spicatum). Pittsfield, Massachusetts is so concerned about the invasive aquatic plants in Lake Onota, they are willing to install a pipeline at the bottom of the lake to drain it six feet, a process known as drawdown. Since the milfoil is found mostly along the shoreline, the hope is that exposing this area to the air will cause all the milfoil to freeze and subsequently die off before the spring brings warmer temperatures. Unfortunately, Pittsfield is taking a gamble: if it snows too much over the next few weeks, the snow will insulate the ground and prevent the freeze from occurring. So far this winter, Massachusetts has been without a major snowfall event...

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