基于参与式调查与主成分分析的金塔绿洲变化驱动力分析
谢余初, 张影, 钱大文, 巩杰, 颉耀文, 常根应

Driving Forces of Jinta Oasis Changes Based on Participatory Rural Appraisal and Principal Component Analysis
Yuchu Xie, Ying Zhang, Dawen Qian, Jie Gong, Yaowen Xie, Genying Chang
图5 1963~2010年间影响金塔绿洲变化的主要社会政策
Fig.5 China′s major policy forces for or against Jinta Oasis change