摘要
本文从生态系统稳定性的角度出发，从生态系统的抗扰力和恢复力两个方面对流域泥石流防治所产生的生态效益进行了初步的研究。根据生态系统稳定性的衡量原则，从发生泥石流的临界降雨强度、土壤侵蚀模数、植被恢复速率、土地生产潜力和区域小气候条件等５个方面探讨了泥石流防治的生态效益的评估指标，进而对所拟评估指标的量比方法等进行了初步的研究。
Ecologic benefit of valley debris flow control has studied from the angle of stability of ecologic system.According to the principles of stability of ecologic system,researched the assessment targets of ecologic benefit of valley debris flow control from 5 aspeces of. critical rainfall intensity of debris flow occurring,erosive modulus of soil, renewal rate of vegetation, productive potentiality of land,and conditions of microclimate of valley,and then,studied methods of quantitative analysis of the assessment targets of ecologic benefit of valley debris flow control.
出处
《中国地质灾害与防治学报》
CSCD
1996年第2期57-62,共6页
The Chinese Journal of Geological Hazard and Control
基金
国家自然科学基金
关键词
泥石流
防治
生态系统
稳定性
生态效益
valley debris flow control,equilibrium of ecologic system, ecologic benefit,assessment index
