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United States Department of Agriculture

Agricultural Research Service

Image Number D2105-1

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Image Number D2105-1

In a study to evaluate the effects of cattle grazing, prairie dogs, and fire on biodiversity in the western Great Plains, ARS technician Jeff Thomas (right) and Troy Smith, a technician with the Crow Valley Livestock Cooperative, observe the behavior of the steer in response to prescribed burns. The cattle are fitted with GPS (global positioning system) collars that help track their movements.

 

Photo by Peggy Greb.


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Last Modified: 3/1/2011