Death of Hemlock Trees Yields New Life for Hardwood Trees, but at What Cost to the Ecosystem?

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Dec. 20, 2012 — Due to the introduction of exotic pests and pathogens, tree species are being eliminated one by one from forest ecosystems. In some cases, scientists can observe immediately how their loss affects the environment, whereas in other cases, creative puzzle solving and analysis reveal unexpected repercussions. In the case of the loss of the hemlock tree, University …