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Table 2 Single-variable analyses for cicada diversity index and proportion of Cryptotympana facialis

From: Urban soil compaction reduces cicada diversity

  Shannon's H (square root) Proportion of C. facialis
Variable Coefficient ± SE P-value Coefficient ± SE P-value
Patch type (SP, F)a 0.780 ± 0.174 3.37e7 9.08 ± 1.72 4.91e8
     (LP,F)a 0.642 ± 0.138   9.87 ± 2.01  
Imperviousness 0.013 ± 0.002 1.25e11 0.187 ± 0.031 9.99e10
Altitude 3.0e3 ± 0.5e−3 3.42e10 0.083 ± 0.021 7.85e5
Slope 0.050 ± 0.012 2.23e5 0.785 ± 0.195 5.56e5
Soil hardness 0.079 ± 0.009 2.43e17 1.14 ± 0.14 2.08e15
Canopy 0.013 ± 0.003 7.52e7 0.165 ± 0.032 2.87e7
Tree density 0.024 ± 0.018 0.199 0.246 ± 0.277 0.375
Tree diversity 0.229 ± 0.104 0.028 3.28 ± 1.51 0.029
  1. aThe patch-type effects of small park (SP) or large park (LP) against forest (F) are indicated