东北粮食主产区耕地生态安全的时空格局及障碍因子——以吉林省为例
赵宏波1,2,马延吉1**
Spatial-temporal pattern and obstacle factors of cultivated land ecological security in major grain producing areas of Northeast China: A case study in Jilin Province.
ZHAO Hong-bo1,2, MA Yan-ji1
应用生态学报
.
2014, (2): 515
-524
.