3May R M. Thresholds and breakpoints in ecosystems with a multiplicity of stable states[J]. Nature, 1977 (269): 471-477. 被引量:1
4Bennett A, Radford J. Know your ecological thresholds Native Vegetation Research and Development Program, Land amt Water Australia, Canberra Thinking Bush 2, 2003. 被引量:1
5Noy-Meir I. Stability of grazing systems: an application of predator-prey graphs[J]. Journal of Ecology, 1975, 63(2): 459-481. 被引量:1
6Yuan Daoxian. Rock desertification in the subtropical karst of South China[J]. Z. Geomorph. N. F., 1997(108): 81-90. 被引量:1
7Willems J L, Arnaud P, van Bemmel J H, et al. Common standards far quantitative electrocardiography:, goals and main results CSE Working Party[J].Methods inf Med, 1990, 29(4): 263-271. 被引量:1