Fig. 6: Co-occurrence network of organic contaminant across different environments.

The color of the edges represents the Pearson correlation coefficient. The higher the correlation coefficient between two organic contaminants, the bluer the color of the node; the lower the correlation coefficient, the yellower the color. The Pearson coefficient considered for this co-occurrence figure is >0.7. The size of the nodes represents the average concentration of the organic contaminant across all the samples.