Figure 3

Scatter plots of humic-like fluorescent dissolved organic matter (FDOMH) versus (a) dissolved organic nitrogen (DON) and (b) carbon (DOC). This figure was drawn with sigma plot software (ver. 10.0).

Scatter plots of humic-like fluorescent dissolved organic matter (FDOMH) versus (a) dissolved organic nitrogen (DON) and (b) carbon (DOC). This figure was drawn with sigma plot software (ver. 10.0).