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. 2015 Jul 22;6:714. doi: 10.3389/fmicb.2015.00714

Figure 4.

Figure 4

Fluorescence emission for estimation of the relative phytoplankton abundance 4 days after treatment with a range of HP concentrations. Concentrated lake water (A), the original lake sample (B), and diluted lake water (C) were used. The first “at start” bar represents the relative phytoplankton abundance at the start of the treatment. The relative fluorescence emission, as a measure of abundance for different taxa, was determined with a Phyto-PAM instrument. Inline graphic cyanobacteria; Inline graphic green algae plus diatoms.