Occurrence of Four Major Perennial Grasses in Relation to Edaphic Factors in a Pristine Community
Journal of Range Management
The ecology and phytosociology of a virgin grassland community (Virginia Park, Canyonlands National Park, Utah) have been investigated. Based on the use of C √ó F index, Hilaria jamesii and Stipa comata are the most abundant of the four major perennial grasses. Oryzopsis hymenoides and Sporobolus cryptandrus are less abundant in decreasing order. The sites dominated by Hilaria are characterized by soils with finer texture, slightly warmer average temperature and higher surface K+ and organic matter compared to sites dominated by Stipa comata. In addition, frequency of both vascular and cryptogamic species is greater on sites dominated by Hilaria.
Kleiner, Edgar F. and Harper, K. T., "Occurrence of Four Major Perennial Grasses in Relation to Edaphic Factors in a Pristine Community" (1977). Canyonlands Research Bibliography. Paper 108.
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