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The Hemlock Woolly Adelgid

August 9, 2014
By Rachel Stewart , Post-Journal

Bending in the wind with its twigs and branches flexing at its rounded top, the Eastern Hemlock (Tsuga canadensis) tree is an iconic species inhabiting the eastern United States. Similar to firs, hemlock trees grow into some of the most beautiful forest trees in mature forests and ravines. The range of the Eastern Hemlock stretches from the northern areas of Georgia reaching as far north as Maine and spreading westward into Minnesota. Found in lower as well as higher elevations and growing in acidic to neutral soil, the hemlock tree provides wildlife with habitat and food, and the forest streams with shade from its canopy. In the past, through current times, the hemlock has had to fight humans for territory, being cut down to provide wood for building and the pulp and paper industry. However, the hemlocks of the eastern United States face now perhaps a greater threat, an invasive species named the Hemlock Woolly Adelgid.



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