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Greg Edge

Forests across the U.S. are experiencing unprecedented tree mortality caused by a variety of stressors, including invasive insects, disease, extreme weather, wildfires, and droughts. For example, the emerald ash borer, a nonnative insect, has killed tens of millions of trees in the Lake States region of Minnesota, Wisconsin, and Michigan alone in the past decade. Tree die offs alter the structure of forests, making them less-suitable habitat for many species, and decrease their ability to perform important ecosystem functions, such as carbon sequestration. Climate change further threatens already damaged forests, as shifting temperature and precipitation conditions alter species’ range limits. To prevent additional...
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