EN中文
Evaluation of Ecosystem Degradation Threat and Study of Spatial Distribution in the Upper Reaches of the Changjiang River based on PSDR Framework
Ping REN, Wu-xue CHENG, Bu-ting HONG, Jie-ming ZHOU
SCIENTIA GEOGRAPHICA SINICA . 2013, (2): 189 -194 .  DOI: 10.13249/j.cnki.sgs.2013.02.189