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. 2021 Aug 30;12:731786. doi: 10.3389/fmicb.2021.731786

FIGURE 5.

FIGURE 5

The correlations between PON/POP (and lipid biomarker ratios) and cell density ratios of diatoms/dinoflagellates [or diatoms/(diatoms + dinoflagellates)] under three levels of nutrient concentrations over the entire ranges of temperature and N:P supply ratios in the bicultures of Phaeodactylum tricornutum and Prorocentrum minimum: (A) PON/POP, (B) 16:1/16:0, (C) EPA/DHA, and (D) the ratios of brassicasterol/epi-brassicasterol to (brassicasterol/epi-brassicasterol + dinosterol) [B/(B + D)].