More info for the terms: cover, density
Facultative Seral Species
Brittle bush usually occurs in initial and early seres [7,31,34,42]. It
is an early colonizer of disturbed sites, often replacing long-lived
perennials in postfire communities [7,31,34,40]. An open brittle bush
community may persist for decades . In permanent plots in the
Sonoran Desert, brittle bush density and cover was more or less stable
over 72 years. However, only 17 percent of seedlings survived to the
seventh year .
- 7. Brown, David E.; Minnich, Richard A. 1986. Fire and changes in creosote bush scrub of the western Sonoran Desert, California. American Midland Naturalist. 116(2): 411-422. 
- 31. Prose, D. V.; Metzger, Susan K.; Wilshire, H. G. 1987. Effects of substrate disturbance on secondary plant succession; Mojave Desert, California. Journal of Applied Ecology. 24: 305-313. 
- 34. Rogers, Garry F.; Steele, Jeff. 1980. Sonoran Desert fire ecology. In: Stokes, Marvin A.; Dieterich, John H., technical coordinators. Proceedings of the fire history workshop; 1980 October 20-24; Tucson, AZ. Gen. Tech. Rep. RM-81. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station: 15-19. 
- 40. Turner, Raymond M. 1990. Long-term vegetation change at a fully protected Sonoran Desert site. Ecology. 7(2): 464-477. 
- 42. Vasek, Frank C. 1979. Early successional stages in Mojave Desert scrub vegetation. Israel Journal of Botany. 28: 133-148. 
- 54. Goldberg, Deborah E.; Turner, Raymond M. 1986. Vegetation change and plant demography in permanent plots in the Sonoran Desert. Ecology. 67(3): 695-712. 
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