August 11-22, 1999
Habitat fragmentation occurs when large tracts of habitat are cut up into smaller "islands" of habitat. The picture on the right shows a forest in Canada that was logged. What is left is a patchwork where there was once a continuous track of forest.
Photo from http://plasma.nationalgeographic.com/mapmachine
Photo by Reed Noss
The satellite photo (left) of south central Idaho shows the mountain ranges in green, separated by flat, agricultural land shown in purple/grey. The fact that these mountain ranges are geographically separated from one another makes them "islands" of habitat.
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