Abstract
During July and August 1962, 50 Arctic fox dens were studied on The Teshekpuk Lake Section of the Alaskan Arctic Slope. Depth to permafrost and soil texture govern location of fox dens in low. ice-core mounds with a minimum mound height of 1 m necessary for the establishment of a successful den. Soil temperatures at den sites were higher than those in nearby non-den habitats. The presence of the fox den alters plant growth near the burrow, changing the typical tundra community into a lush, vigorous one dominated by grasses.
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