典型黄土高原沟壑区土地利用与景观格局变化分析——以甘肃省庆阳市为例
李彩霞, 武雪, 胡杨

Land use and landscape pattern changes in QingyangGansuChinaa typical Loess Plateau gully region
Caixia Li, Xue Wu, Yang Hu
图1 研究区地理位置
Fig.1 Geographic location of the study area