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Table 4 The correlation coefficients (r) between indices

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

 

Whole communities

Diet guilds

Foraging site guilds

Habitat type

N W

HW

E W

H’(d)

E(d)

H’(f)

E(f)

H’(h)

E(h)

Whole communities

N W

 

HW

0.54

1

E W

0.18

0.92**

1

Diet guilds

H’(d)

0.35

0.89**

0.89**

1

E(d)

0.24

0.87**

0.92**

0.95***

1

Foraging site guilds

H’(f)

0.40

0.56

0.45

0.26

0.28

1

E(f)

0.40

0.60

0.49

0.30

0.31

1***

1

Habitat type

H’(h)

0.34

0.92**

0.92**

0.76*

0.78*

0.65

0.68

1

E(h)

0.26

0.90**

0.93***

0.75*

0.79*

0.65

0.69

0.99***

1

  1. *P < 0.05; **P < 0.01; ***P < 0.001
  2. H’(d) and E(d) mean the value of H’ and E of diet guild, H’(f) and E(f) mean the value of H’ and E of foraging site guild, and H’(h) and E(h) mean the value of H’ and E of habitat type