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. 2020 Nov 5;12(11):700. doi: 10.3390/toxins12110700

Figure A1.

Figure A1

The course of water column (0–9 m) averaged chlorophyll-a concentrations (µg L−1) in Lake De Kuil in 2017 before, during (gray plane), and after a Floc and Lock intervention. Chlorophyll-a was determined with a PHYTO-PAM and separated in a blue-, green- and brown signal, based on different excitation wavelengths.