Table 3 The frequency, dimensions and diversity of heritage trees in the study area composed of ten administrative districts in Taiyuan.
From: Species diversity and spatial pattern of heritage trees in Taiyuan
District a | Species count | Tree count | Density (tree/10 km2) | Mean height (m) | Mean DBH (cm) | Mean canopy (m) | True diversity index (T) | Evenness index (E) |
---|---|---|---|---|---|---|---|---|
GJ | 13 | 142 | 0.9 | 10.6 | 68.1 | 9.3 | 1.79 | 0.48 |
JCP | 19 | 208 | 7.3 | 13.0 | 72.7 | 10.4 | 2.02 | 0.41 |
JY | 38 | 845 | 29.2 | 13.1 | 69.4 | 12.1 | 1.99 | 0.20 |
LF | 12 | 60 | 0.5 | 9.9 | 59.1 | 8.2 | 1.58 | 0.44 |
QX | 20 | 715 | 11.7 | 9.1 | 59.1 | 8.5 | 1.22 | 0.17 |
WBL | 12 | 1011 | 33.2 | 9.3 | 47.4 | 7.8 | 0.74 | 0.18 |
XD | 8 | 246 | 8.3 | 10.8 | 67.5 | 9.1 | 1.06 | 0.36 |
XHL | 9 | 244 | 14.3 | 14.2 | 76.9 | 12.1 | 0.93 | 0.29 |
YQ | 28 | 1125 | 5.4 | 10.7 | 58.3 | 8.9 | 1.98 | 0.26 |
YZ | 14 | 141 | 12.1 | 14.6 | 36.2 | 11.3 | 1.28 | 0.27 |
Overall | 57 | 4737 | 12.3 | 11.5 | 61.47 | 9.8 | 1.46 | Â |