Andover Townsman, Andover, MA

News

July 29, 2010

Unwanted tree huggers

Invasive plants creeping into Andover lands, killing trees

Like so many communities around the state, trees in Andover are being invaded by pesky plants that could grow up the tree and kill it. And, even more of these invaders are expected in the future as more invasive plants are migrating north, according to a local hydrogeologist.

"Unfortunately, I can go almost anywhere undeveloped in town and find invasives," Suzanne Robert, a hydrogeologist for the Mass. Department of Environmental Protection who lives in Andover, wrote in an e-mail to the Townsman when asked about the town's plant invasion.

Johnson has teamed with Conservation Director Bob Douglas to get a handle on the tree-threatening problem. Douglas said the teaming is a pilot program that will also include local Boy Scouts. The volunteer Scouts will identify the invasive plants and the samples will be studied. The vegetation will be tracked as investigators hope to find out why the invasive plants pick the land locations they do.

Meanwhile, Johnson will be taking classes and be trained on the early detection of invasives in August and September. The proposed plans call for getting the public involved.

"Bob and I are also setting up training for the public for the early detection of new invasive species — there's a whole new set of plants (aquatic and terrestrial) that are migrating north with the effects of climate change," Johnson wrote.

One of the first locations in town to be studied is at the corner of Lupine Road and School Street, across from Andover Small Engine.

"It's only a small plot that has various invasives, not a showstopper infestation," Johnson wrote.

She's also got her professional eye on a parcel next to the Shawsheen River on Stevens Street, "...adjacent to the mill pond that will be drained when the dam comes down, as that area will be opened up to the migration of the already established invasive plant populations on the river bank. I have counted over six different invasives on that plot alone," she wrote.

Douglas said the Stevens Street study "will be a multiyear effort," and he hopes a local Scout troop would adopt the parcel for the duration of the experiment (estimated to be four years).

"These pests are poisoning our trees," Douglas said. "Gosh, we want to do something about this, now. We don't want to wait on this."

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Unwanted tree huggers
by By Judy Wakefield , Staff Writer , Thu Jul 29, 2010, 11:43 AM EDT
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