http://www.sciencedaily.com/releases/20 ... 151823.htm
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.ScienceDaily (Oct. 4, 2011) — A forest may look like a forest, have many of the same trees that used to live there, but still lose the ecological, economic or cultural values that once made it what it was, researchers suggest in articles in the Proceeding of the National Academy of Sciences.
One study outlines services and functions that are disappearing in mountain ash forests in Australia, and a commentary in the journal pointed out that many of the same issues are in play in forests of the Pacific Northwest, the grasslands of the Great Basin, and other areas.
Beneath a veneer of forest health, dramatic reductions may be taking place in such functions as carbon sequestration, water yields, wildlife protection and biodiversity of species, said scientists from Oregon State University and the University of Washington.