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Responses of Small Mammals and Habitat to Glyphosate Application on Clearcuts
David J. Santillo, David M. Leslie, Jr. and Patrick W. Brown
The Journal of Wildlife Management
Vol. 53, No. 1 (Jan., 1989), pp. 164-172
Stable URL: http://www.jstor.org/stable/3801324
Page Count: 9
You can always find the topics here!Topics: Mammals, Herbicides, Vegetation, Forbs, Shrews, Habitat destruction, Invertebrates, Shrubs, Forest ecology, Coniferous forests
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We investigated effects of herbicide-induced habitat changes on small mammals in clearcuts in northcentral Maine. Fewer small mammals were captured on glyphosate (nitrogen-phosphonomethyl glycine) (Roundup, Monsanto, St. Louis, Mo.)-treated clearcuts 1-3 years post-treatment compared to untreated clearcuts. Insectivores (Soricidae) comprised 72% of small mammal captures and were less abundant (P < 0.001) for all 3 years post-treatment. Herbivores (Microtinae) were less abundant 1 (P < 0.01) and 2 years (P < 0.001) post-treatment. Omnivores (Cricetinae and Zapodidae) were equally abundant on treated and untreated clearcuts. Differences in small mammal abundance paralleled herbicide-induced reductions in invertebrates and plant food and cover. Patches of untreated vegetation within herbicide-treated clearcuts provided a source of invertebrates and plant food and cover.
The Journal of Wildlife Management © 1989 Wiley