Table 6.

Frequency, diversity, and density characteristics of roadside trees in ten urban districts of Hong Kong.

Tree frequencySpecies richnessSpecies diversityTree densityStreet with trees
DistrictCountPercentCountPercentzIndexyRanktrees/km2No.
Hong Kong West
    Central—Western1321  6.97651.0  5.8  210752
    Southern1334  7.06644.3  4.9  3  3455
Hong Kong East
    Eastern273014.36342.3  2.3  914759
    Wan Chai205410.77751.7  3.7  420762
Kowloon West
    Yau-Tsim1896  9.95738.3  3.0  548744
    Mong Kok  403  2.13926.2  9.7  125524
    Sham Shui Po1742  9.15234.9  3.0  620441
Kowloon East
    Kowloon City260313.66745.0  2.6  826886
    Wong Tai Sin1701  8.94832.2  2.8  718239
    Kwun Tong337017.65234.9  1.51030547
  • zSpecies richness (%) = (species count/149) × 100%; total number of species equals 149.

  • ySpecies diversity index = (species count/tree count) × 100.