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Biomarkers linking bacterial taxa to salinity were established using a Random Forest model. (A) Linear regression shows that the model can predict salinity reliably. (B) The biomarker taxa listed in descending order of importance to the model accuracy. (C) Dynamics of the relative abundance of the salinity‐discriminant biomarker taxa with increasing salinity. (D) Mean total abundance of the salinity‐discriminant taxa with the variation in salinity.
