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Table 3 Clustering index (CI) by species and diameter (DBH) class for the four classes of logging treatment by plots

From: Responses of regeneration and species coexistence to single-tree selective logging for a temperate mixed forest in eastern Eurasia

 

Korean pine

Amur linden

Mongolian oak

Manchurian ash

Sa

M

L

S

M

L

S

M

L

S

M

L

CON

A1

NAb

0.46

0.38

NA

NA

0.56

NA

NA

0.94

0.41

−0.04

−0.22

A2

NA

0.02

0.48

2.33*

−0.04

−0.36

NA

NA

0.31

NA

NA

0.25

OBL

B1

NA

NA

−0.16

2.53*

NA

−0.12

NA

NA

0.2

NA

NA

0.10

B2

NA

NA

0.21

1.68*

NA

0.07

NA

NA

1.08*

NA

NA

NA

B3

NA

0.19

0.49

NA

NA

1.02

NA

NA

−0.10

NA

NA

0.92

OKP

C1

2.16*

NA

0.41

0.88

−0.12

−0.19

NA

NA

0.04

4.78*

0.54

NA

C2

2.86*

NA

NA

4.99*

−0.14

−0.02

2.24

0.54

0.72

5.47*

0.99

0.03

C3

8.89*

NA

0.73

1.23*

0.2

0.36

NA

NA

0.49

3.06*

NA

0.56

C4

2.66*

NA

NA

1.01*

0.14

0.40

NA

NA

2.08*

6.33*

NA

0.54

C5

4.33*

1.15

−0.07

5.83*

−0.22

0.00

0.67

0.49

0.02

0.33

NA

0.52

BKB

D1

19.96*

1.14*

0.01

0.15

0.36

0.36

3.11*

2.82*

NA

NA

NA

0.25

  1. *CI value is significant based on the envelope analysis (>1 indicates overall spatial distribution pattern is aggregated; and < −1 indicates regularity)
  2. aSmall (S): 2–8 cm, Medium (M) : >8–20 cm, Large (L) : >20 cm
  3. bSize of observation is not large enough to run analysis