Negative Effects of an Exotic Grass Invasion on Small-Mammal Communities

  title={Negative Effects of an Exotic Grass Invasion on Small-Mammal Communities},
  author={Eric D. Freeman and Tiffanny R. Sharp and Randy T. Larsen and Robert N. Knight and Steven J. Slater and Brock R. McMillan and F Yu},
  booktitle={PloS one},
Exotic invasive species can directly and indirectly influence natural ecological communities. Cheatgrass (Bromus tectorum) is non-native to the western United States and has invaded large areas of the Great Basin. Changes to the structure and composition of plant communities invaded by cheatgrass likely have effects at higher trophic levels. As a keystone guild in North American deserts, granivorous small mammals drive and maintain plant diversity. Our objective was to assess potential effects… CONTINUE READING
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