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Table 3 Parsimonious models for cicada diversity, abundance, and the proportion of Cryptotympana facialis

From: Urban soil compaction reduces cicada diversity

Component Coefficient ± SE P-value Residual/null deviance
Shannon's H (square root)    2.15 / 7.31
  (intercept) 2.15 ± 0.18   
  Soil hardness −0.079 ± 0.009 2.43e−17  
Proportion of Cryptotympana facialis    67.1/143.7b
  (intercept) −18.7 ± 2.18   
  Soil hardness 0.89 ± 0.11 3.97e−16  
  Patch type (small & large park, forest)a 3.44 ± 0.74 2.57e−06  
  1. aThe levels in small and large parks were merged, and its patch-type effects against forest were indicated
  2. bThe null model contained a random effect term