草甸草原放牧场退化定量评估指标体系建立

闫瑞瑞,高娃,沈贝贝,张宇,王淼,朱晓昱,辛晓平

Index System for Quantitative Evaluation of Pasture Degradation in Meadow Grassland of Inner Mongolia

YAN RuiRui,GAO Wa,SHEN BeiBei,ZHANG Yu,WANG Miao,ZHU XiaoYu,XIN XiaoPing

表5 草甸草原放牧退化程度分级

Table 5 Grazing degradation degree of meadow grassland

退化程度分级 Grade of degradation 综合指标指数（EI） 未退化 No degradation EI≥65 轻度退化 Mild degradation 50≤EI <65 中度退化 Moderate degradation 35≤EI <50 重度退化 heavy degradation EI <35