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Trend in absolute abundances (A), biomass (B) and percent (C,D) of phytoplankton composition in PN in 2021: Bacillariophyceae, Coccolithophores, Cyanophyceae, others (left y-axis in A,B), phytoflagellates (right y-axis in A and left y-axis in B) and Dinophyceae (right y-axis in A and B).
