Fig. 8From: Phytoplankton ecology in the early years of a boreal oil sands end pit lakeQuantification of phytoplankton for 2016–2021 based on cell counts (A), biomass (B), chlorophyll a (C), and qPCR quantification of the 23S rRNA gene (D) for surface water samples. Given are the slope (m) per year, p-values based on a t-test of slope = 0, and the r2 value for the regression lines. Data points are means of three platforms ± 1 SEM for BML; points for MLSB and BCR are single values. The teal bar indicates alum additionBack to article page