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. 2021 Feb 26;12:614634. doi: 10.3389/fmicb.2021.614634

FIGURE 7.

FIGURE 7

Heatmap showing significant Spearman correlations (adjusted Spearman rho) between relative abundance of seasonal indicator taxa and Isfjorden physico-chemical variables. The indicators for the two months were statistically retrieved using the indicspecies package in R (IV ≥ 0.7, p ≤ 0.001). A regression was done between the relative abundance of the indicator taxa and the environmental variables using individual data. The sampling month is indicated above the plot and the taxonomic affiliations are indicated beneath the plot. Relevant indicators were chosen among highly abundant indicators and are ordered by decreasing abundance for each month. For a full overview of indicator species, see Supplementary Table 6. Only significant correlations are shown. A blue color indicates a positive correlation and a red color indicates a negative correlation. p-values were FDR-corrected with the BH correction.