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Video: Professor works to save hemlocks from extinction

Entomology Professor Scott Salom is working to protect hemlock trees from the invasive woolly adelgid that is decimating the tree's population along the East Coast.

As a keystone species of the ecosystem, hemlocks play a large role in how the forests function. They provide shade and cool the woods, create habitat for birds and bugs, and influence what other plants will grow nearby.

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    Saving hemlocks

Length: 02:06
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