@article{潘影:818, author = {[潘影, 张茜, 甄霖, 宇振荣]}, title = {北京市平原区不同圈层绿色空间格局及生态服务变化}, publisher = {生态学杂志}, year = {2011}, journal = {生态学杂志}, volume = {30}, number = {04}, eid = {818}, pages = {818-823}, keywords = {北京市; 绿色空间; 生态服务; 土地利用; 景观质量}, url = http://www.cje.net.cn/CN/abstract/article_17184.shtml }