20012020年黄河流域水源涵养区植被覆盖变化及其对气候变化和人类活动的响应
杨华庆, 朱睿, 尹振良, 山建安, 张薇, 方春爽

Dynamic changes of vegetation in water conservation area of the Yellow River Basin and its response to climate change and human activities during 2001-2020
Huaqing Yang, Rui Zhu, Zhenliang Yin, Jian'an Shan, Wei Zhang, Chunshuang Fang
表4 各因子的适宜限制(置信水平95%
Table 4 Adaptive limits for each factorconfidence level 95%
因子NDVI适宜类型或范围NDVI均值
土地利用类型林地0.570
放牧强度/(头·km-2189.7~286.90.559
坡向/(°)319.6~359.50.472
高程/m3 278~4 0240.569
坡度/(°)17.1~26.40.497
降水量/mm745.6~823.40.642
相对湿度/%70.8~75.60.630
日照时数/h5.6~6.20.626
气温/℃7.5~10.60.536