Smithsonian researchers studied 67 forest plots in a section of the Blue Ridge Mountains. They found that hemlock woolly adelgid had decimated hemlock populations. Alan Tepley, Smithsonian ...
The Wilson Journal of Ornithology, Vol. 120, No. 1 (Mar., 2008), pp. 153-158 (6 pages) Breeding bird populations were sampled between 1954 and 1963, and 1990 and 2000 in an old-growth forest, the ...
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