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. 2020 Oct 23;11:502336. doi: 10.3389/fmicb.2020.502336

FIGURE 3.

FIGURE 3

Correlations observed between dominant group/taxa/species in 2015 and 2016: (A,B) present the bloom period in 2015, (C,D) the bloom period in 2016, and (E,F) the non-bloom period in 2016. Red (left) and blue (right) edges correspond to negative and positive correlations, respectively. Node size is proportional to the mean biovolume over the period on a natural logarithm scale. Potential interactions for correlations are based on: (1) type of organisms involved, (2) their trophic function (predator, prey, etc.) in the food web, (3) their similar relationships with a common third organism (i.e., triangular structure) and (4) literature evidence. Red arrows represent potential predation, two-way red arrows potential competition, one-way double red arrows potential viral infection and red edges stand for undetermined negative interaction. Blue arrows represent potential commensalism, two-way blue arrows potential mutualism, dashed blue edges a potential common response to a prey/predator/competitor and blue edges undetermined positive interaction.