Table 3 Comparison of the importance of assessment items

Clusters Assessment items (Nodes) Rank Importance
Site selection and preservation Brownfield development 15 0.037781
Eco-friendly layout planning 7 0.052547
Integrated planning 9 0.050579
Preserving existing habitats 8 0.051704
Water circulation Stormwater/ greywater use 13 0.042254
Natural ground areas 4 0.065533
River/wetland restoration 5 0.055608
Soil and vegetation Use of native plants 19 0.026733
Preserving/ recycling existing vegetation 16 0.037216
Roof garden/ wall garden 20 0.025754
Topsoil storage/ utilization 18 0.030143
Habitat restoration 14 0.038667
Materials and facilities Using local materials 17 0.034292
Using eco-friendly materials 12 0.04854
Using recycled materials 11 0.049232
Health and convenience Cultural/ historical preservation 2 0.084850
Trails/ places for exercise 6 0.054164
Resting areas 10 0.049249
Maintenance Monitoring plan 1 0.094218
Management cost saving plan 3 0.070938