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Table 3 Single correlation coefficients (r) between environmental factors

From: Environmental factors affecting the composition and diversity of the avian community in igune, a traditional agricultural landscape in northern Japan

 

Density

Distance

Total area

Broadleaf

Mean area

Clearing

100 m area

AX1

AX2

Density

1

Distance

−0.05

1

Total area

0.35

0.56

1

Broadleaf

−1.54

0.58

0.42

1

Mean area

−1.23

0.61

0.77*

0.79*

1

Clearing

−0.16

−0.4

−0.79*

−0.34

−0.52

1

100 m area

0.20

0.67

0.92**

0.39

0.73*

−0.79*

1

AX1

−0.53

−0.64

−0.87**

−0.39

−0.6

0.55

−0.73*

1

AX2

−0.4

0.01

0.41

0.33

0.45

−0.71*

0.50

0.05

1

  1. *P < 0.05; **P < 0.01; ***P < 0.001
  2. Note that CCA was conducted using density, distance, total area, and broadleaf. AX1 is the first axis and AX2 is the second axis in CCA