Fig. 5From: Linking biological toxicity and the spectral characteristics of contamination in seriously polluted urban riversFluorescence characterization of dissolved organic carbon (DOC) composition in sediment pore water (SDPW) of the Qingshui Stream. a site 1, b site 2, c site 3, d site 4, e site 5, and f site 6. Fluorescence intensities are in Raman units normalized to DOC concentrationBack to article page