撂荒耕地的提取与分析——以山东省庆云县和无棣县为例

肖国峰,朱秀芳,侯陈瑶,夏兴生

Extraction and analysis of abandoned farmland: A case study of Qingyun and Wudi counties in Shandong Province

XIAO Guofeng,ZHU Xiufang,HOU Chenyao,XIA Xingsheng

图7 庆云县和无棣县撂荒地持续时间分布图

Fig. 7 Distribution of abandoned farmland duration in Qingyun and Wudi counties of 1992-2017