@article{_612, author = {[null, null, null, null, null]}, title = {}, publisher = {地理学报(英文版)}, year = {2014}, journal = {Journal of Geographical Sciences}, volume = {24}, number = {4}, eid = {612}, pages = {612-630}, keywords = {}, doi = https://www.geogsci.com/CN/10.1007/s11442-014-1109-z }