面向“三北”的新时代生态学学科发展的若干思考

刘任涛, 方进, 赵文智

Some considerations on ecology subject system at new times facing “Three-North” ecological project construction

Rentao Liu, Jin Fang, Wenzhi Zhao

图3 “三北”工程三大标志性战役位置示意图［8］ 注：基于自然资源部标准地图服务网站标准地图（审图号：GS（2016）1609号）制作，底图边界无修改

Fig.3 The locations of three iconic battles within “Three-North” projects［8］