Shifts in methanogenic archaea communities and methane dynamics along a subtropical estuarine land use gradient
Fig 7
PCA biplot depicting variations in environmental parameters (nutrient, greenhouse gas and physicochemical).
OTUs included in the scatter plot are specified on the upper left. Surface water samples for Sites 1–6 are shown as grey crosses with the suffix ‘S’ and pore water samples are depicted as black crosses with the suffix ‘P’.