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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