Non-game populations and vegetative structure were compared in heavily grazed and ungrazed sites within seven habitat types: shadscale, grease wood, low sage, two big sage, upland meadow, and aspen. It is evident that non-game wildlife react specifically when livestock alter the vegetative structure of the ecosystem. Vegetation structure and animal species richness (variety and number) were generally lower in grazed than ungrazed communities. However, animal species responses varied with habitat type.
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