Table 1 General characteristics of the surveyed forest plots1.

From: Research on the soil fractal characteristics and their correlation with soil properties in various forest types: insights from sub-humid area in Northern China

Forest type

A/m

Sd

Sg/°

Sp

DBH/cm

H/m

Fa/a

Hv/%

Pinus koraiensis

647.0

W

17

Low

9.1

6.3

15

45

Pinus sylvestris var. mongholica

645.0

W

16

Low

7.3

5.1

16

35

Quercus mongolica

652.0

W

17

Low

13.1

10.1

15

45

Juglans mandshurica

646.0

SW

18

Low

10.1

10.3

16

40

mixed conifer-broadleaf forest

643.0

W

19

Low

10.0

10.4

18

65

  1. 1A presents the altitude, Sd is the slope direction, Sg presents the slope gradient, Sp is the slope position, DBH presents the diameter at breast height, H presents the tree height, Fa is the forest age, and Hv presents the herb coverage.
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