20年张掖盆地绿洲结构和规模变化及其影响因素
卢调雪, 杨林山, 冯起, 朱猛, 李乃玉

The change of oasis structure / scale and its influencing factors in Zhangye Basin in recent 20 years
Tiaoxue Lu, Linshan Yang, Qi Feng, Meng Zhu, Naiyu Li
图2 张掖盆地5期土地利用类型分布
Fig.2 Distribution of land use types in Zhangye Basin in the five stages