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Table 4 Pearson correlation between physicochemical characteristics of the soil with quantitative characteristics of P. tomentosa

From: Modeling potential habitats for Pergularia tomentosa using maximum entropy model and effect of environmental variables on its quantitative characteristics in arid rangelands, southeastern Iran

Pearson correlation N Sand Silt Clay K CaCO3 EC P N pH
Length of root (cm) 15 − 0.549** 0.550** 0.263 0.441** 0.376* 0.302* 0.069ns 0.261ns − 0.246ns
High of aerial part (cm) 98 − 0.568** 0.582** 0.219 0.460** − 0.339 0.512** 0.271ns 0.207 − 0.216ns
Density 22 − 0.642** 0.640** 0.235 0.551** 0.037ns 0.527** 0.205ns 0.324* − 0.245ns
  1. **(α = 1%), *(α = 5%)
  2. ns= ns (not significant)