2000—2020年宁夏生态系统服务价值变化

张卫红, 谢家丽, 刘志鹏, 胡洁, 马媛, 赵鸿雁, 周伟

Assessment of the ecosystem service value change in Ningxia in 2000-2020

Weihong Zhang, Jiali Xie, Zhipeng Liu, Jie Hu, Yuan Ma, Hongyan Zhao, Wei Zhou

图4 各地市各类土地利用类型面积占比

Fig.4 The ratios of each land use type of cities to its total area