Eleven Year Vegetational Comparison in an Arid Grassland

Document Type

Conference Paper

Journal/Book Title/Conference

Proceedings of the American Philosophical Society

Volume

126

First Page

520

Last Page

526

Publication Date

1982

Abstract

A study has been made of the vegetational condition of two graben valleys in Canyonlands National Park. The sites, formerly subjected to relatively heavy grazing pressure, were originally investigated in 1970 and analyzed again in 1981, providing an eleven-year record of succession. Comparisons are made to successional trends noted in related studies of disturbed and pristine areas. The graben valleys, with few exceptions, show a successional trend over eleven years toward the climax vegetational condition of an area that has never been disturbed.

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