Figure 7

Correlation of gross primary production (GPP, mg C m^-2d^-1) with ( a) temperature (°C) and (b) dissolved oxygen concentration (DO, mg/L), (c) turbidity (NTU), (d) total nitrogen (TN, μmol/L) (e) total phosphate (TP, μmol/L ), (f) silicate (μmol/L) and (g) phytoplankton abundance (cells/m³).