@article{Zongyao SHA:473, author = {Zongyao SHA, Yichun XIE, Xicheng TAN, Yongfei BAI, Jonathan LI, Xuefeng LIU}, title = {Assessing the impacts of human activities and climate variations on grassland productivity by partial least squares structural equation modeling (PLS-SEM)}, publisher = {Journal of Arid Land}, year = {2017}, journal = {Journal of Arid Land}, volume = {9}, number = {4}, eid = {473}, numpages = {15}, pages = {473}, keywords = {spatial modeling;human-natural interaction;grazing;urbanization;road network}, url = {http://jal.xjegi.com/EN/abstract/article_468.shtml}, doi = {10.1007/s40333-017-0022-6} }