Rangeland Ecology & Management

Get reliable science

Effects of grazing and drought on population dynamics of salt desert shrub species on the Desert Experimental Range, Utah
Author
Chambers, J. C., B.E. Norton
Publication Year
1969
Body

Chambers and Norton examined natality, mortality, and population turnover of dominant salt desert shrub species under different seasons (winter vs. spring) and intensities (light vs. heavy) of grazing, during a drought period on the Desert Experimental Range in southwestern Utah. Plant responses varied by species, grazing intensity and season of use. The negative effects of grazing were exacerbated by drought conditions, however, in some instances grazing enhanced plant survival and reproduction. In general, spring grazing and heavy grazing had the greatest negative effects while light winter grazing was least detrimental, often beneficial to the shrub species measured in this study.

Language
en
Keywords
mortality
grazing intensity
precipitation
exclosures
natality
population turnover
shrub population dynamics
  • Citations and enhanced abstracts for journals articles and documents focused on rangeland ecology and management. RSIS is a collaboration between Montana State University, University of Idaho, and University of Wyoming.