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Document Type

Grand Teton National Park Report

First Page

169

Last Page

174

Abstract

One primary objective of this study was to survey small mammal communities in a burn chronosequence. During the summer of 1990, small mammals were live-trapped in five burned sites and in adjacent unburned coniferous forests in and around Grand Teton National Park. In 1991, two burns (Huckleberry Mountain, 1988 fires) and adjacent unburned forests were trapped for the third consecutive year in June, July and August to continue to monitor post-burn small mammal population trends and species composition. In addition, in 1991 rodents were live-trapped from seven vegetation types along an elevational gradient, and microhabitat measurements were made at successful and unsuccessful trap stations within each vegetation type. The purpose was to survey small mammal communities in common habitat types within the Park and to determine whether microhabitat features can be used to predict trap success for common rodent species.

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