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081413 SLA Speaker (239)

HOLDERNESS — A speaker will discuss the health of white pines at the Squam Lakes Association Resource Center this Thursday at 7 p.m. for the Squam Speaker Series: White Pine Health.

Martha Carlson, Ph.D. candidate at the University of New Hampshire will present a program on her research on why white pines have lost lots of their needles.

Martha and her husband grow white pines and other trees in Sandwich. She's been studying the impact of climate change on their sugar maples. And she coordinates a UNH research program regarding the impacts of ozone on white pines. School children across New England have been collecting samples of pines for 22 years. In 2011, for the first time, the students documented the dramatic loss of needles. Something shocked the pines in 2010. That made them vulnerable to fungi and other predators since then. Martha will explain her theory about the initial stress on August 15. And she'll talk about how the pines are recovering.

The Speaker Series will continue on Wednesday, Aug. 21. The Holderness Conservation Committee and the Squam Lakes Association are sponsoring a talk on arsenic and drinking water which will be presented by Michael Paul, JD MPH from the Dartmouth Center for Environmental Health Services and Pierce Rigrod from the New Hampshire Department of Environmental Services.

Both programs will start at 7 p.m. at the SLA Resource Center, 534 Route 3, Holderness. Programs are free and open to all. For more information, please call (603) 968-7336 or visit www.squamlakes.org.

 
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