@article{杨述河_49, author = {[杨述河, 闫海利, 郭丽英]}, title = {北方农牧交错带土地利用变化 及其生态环境效应 ——以陕北榆林市为例}, publisher = {地理科学进展}, year = {2004}, journal = {地理科学进展}, volume = {23}, number = {6}, eid = {49}, pages = {49-55}, keywords = {

农牧交错带;土地利用变化;生态环境效应;榆林市

}, doi = https://www.progressingeography.com/CN/10.11820/dlkxjz.2004.06.006 }