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Grasslands of the World.pdf - Disasters and Conflicts - UNEP

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MAE ELSINGER<br />

DUANE McCARTNEY<br />

<strong>Grassl<strong>and</strong>s</strong> <strong>of</strong> central North America 229<br />

Plate 6.4<br />

Herding cattle in a mixed -grass zone, Saskatchewan, Canada.<br />

Plate 6.5<br />

Cattle grazing on Deseret Ranch near Salt Lake City, Utah, USA .<br />

diet higher in grasses than cattle; bison select a diet higher in digestibility than<br />

cattle; bison spend less time grazing than cattle; <strong>and</strong> cattle are restricted in grazing<br />

by fences while bison were free to move over <strong>the</strong> l<strong>and</strong>scape (Danz, 1997;<br />

Donohue, 1999; Stueter <strong>and</strong> Hidinger, 1999; Pieper, 1994).

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