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 facingThree-Northecological project construction
Rentao Liu, Jin Fang, Wenzhi Zhao
图1 “三北”防护林分布位置示意图(www.baidu.com)
Fig.1 The location of “Three-North” shelter project in China