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\n\n\n Importance Values(X) = (50 * basal area(X) / basal area (all species)) + (50 * number of stems(X) / number of stems (all species)), where X is a single species. Thus, within a 20x20 km cell, the IV for a tree species represents the relative abundance for its potential suitable habitat.\n
\nFor more information visit the USDA Forest Service Climate Change Atlas at https://www.fs.fed.us/nrs/atlas\n",
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