The order of the BCR values of these four species in 2004 was Platanus spp. (8.107) > Ficus concinna (2.579) > Ginkgo biloba (1.543) > Grevillea robusta (1.055).

 
  • 其效益成本比的大小排序为:悬铃木(8.;107)>小叶榕(2
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