4. Results
4.1. Spatial pattern of roof and podium gardens by land use and
by district
Table 1 indicates that the old towns CW, WC and WTS had the
highest building density of the 13 districts, and the new towns TP
and TKO had the lowest density. Figs. 2–5 show the actual areas, site
numbers, mean values and CV of green ratios in roof and podium
gardens by land use in different districts. In total, there were 134
sites of roof gardens, and most were located in the old towns of HKI
and the new towns of NT. Of the 13 districts, TW had the most sites