黄河流域生态环境脆弱性评价、空间分析及预测
茹少峰, 马茹慧

Evaluation, spatial analysis and prediction of ecological environment vulnerability of Yellow River Basin
RU Shao-feng, MA Ru-hui
图3 黄河上、中、下游生态环境脆弱性时间演变趋势
Fig. 3 Temporal evolution trend of eco-environmental vulnerability in the upper, middle and lower reaches of the Yellow River