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. 2019 May 21;9:7663. doi: 10.1038/s41598-019-44149-8

Figure 2.

Figure 2

Top panel: Venn diagram of the INITIAL, BIO + CHEM and CHEM fractions for incubation at 15 °C. The yellow area represents compounds consumed by microorganisms (CONSUMED); the green area (NOT IMPACTED) corresponds to compounds not modified by chemical and biological processes; the blue area displays compounds produced by dark chemistry reactions (CHEM-PRODUCED); the pink area represents compounds produced by microorganisms (BIO-PRODUCED). The VK diagrams corresponding to each colored area of the Venn diagram are displayed below using the same color code.