Table 1. Parameters for green space planning and design

Parameters affecting green space planning and design	Parameters applicable for green space planning and design
Urban spatial characteristics	Planting method characteristics	Tree and species characteristic
Aspect ratio(H:W ratio), Buildings height(H), Street width(W), Street direction, Sky view factor(SVF), Width of the road, Width of the sidewalk, Presence or absence of a planting-type central divider Use of surrounding land	Tree spacing, Multi-layer structural planting, Multi-row planting, Planting type(green area, wall greening, rooftop greening), Tree coverage ratio(TCR), Green coverage ratio(GCR), Thickness of green strips, Number of green strips, Planting density, Location of trees	Leaf area index(LAI), Tree height, Trunk height, Crown diameter, Crown height, Crown form Plant types (tree, shrubs, flowers), Leaf size, Leaf color, Leaf thickness, Leaf shape