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Global Environmental Change: Understanding the Human Dimensions
within its area. Species with wide ranges are unlikely to be extinguished by habitat destruction within their range, but such destruction is likely to eliminate entirely the habitats of some of the species in the area with smaller ranges. Finally, although humans might be expected to husband populations of species with economic value, this has not typically been the case on frontiers, as the exploitation of Amazonian rosewood and the American bison illustrate.