Low-Intensity Wildfire Alters Selected Soil Properties in the Tropical Shorea robusta Forest

Figure 3

Pearson correlation coefficients (considering all variables and both fire-affected and fire-unaffected groups together) using corrplot package in R. Deep blue color indicates stronger positive correlations, while the deep red color indicates stronger negative correlations. In this representation, 'fa' signifies as fire-affected area and 'fu' signifies as fire-unaffected area. K = available potassium; N = total nitrogen; OC = soil organic carbon; P = available phosphorus; and pH = soil pH.