北京市公园绿地树冠覆盖及其植物多样性空间变化
马杰，贾宝全，费美玉
Urban Tree Canopy and Spatial Variation of the Diversity of Species in the Green Spaces of Parks of Beijing
MA Jie,JIA Baoquan,FEI Meiyu
生态环境学报 . 2019, (3): 429 -437 .  DOI: 10.16258/j.cnki.1674-5906.2019.03.001