Fig. 4From: Seasonal dynamics of iron and phosphorus in reservoir sediments in Eucalyptus plantation regionSeasonal variations at sampling site X1. a The DGT-labile P and labile Fe concentrations with depth at the sediment-water interface (SWI) and b oxygen concentration at the SWI (2D imaging) of Tianbao Reservoir. The position of the SWI is represented by zeroBack to article page