News FocusConservation

Unwelcome Bison May Face a DNA Test

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Science  21 Mar 2003:
Vol. 299, Issue 5614, pp. 1835
DOI: 10.1126/science.299.5614.1835

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GRAND CANYON, ARIZONA-- Biologists at Grand Canyon National Park want to remove a bison herd that they say is creating mud and dust wallows on the park's North Rim, crushing native grasses, and trampling archaeological sites. The tools of modern genetics could help them determine whether this troublesome herd has a historical right to roam the Grand Canyon.