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

 
  1. aRefer to Table 1 for the meaning of district abbreviations.