| Sumario: | 21 pages. -- This file contains 21 pages including cover page, four (4) figures and 15 tables: Figure S1: Principal Coordinates Analysis (PCoA) plots visualising differences in beta diversity (Bray-Curtis distance; relative abundance normalisation) between prokaryotic (16S rRNA gene) and eukaryotic (18S rRNA gene) communities in different treatments and negative control groups. -- Figure S2: Sequencing depth of seawater-incubated samples and negative control samples belonging to the prokaryotic (16S rRNA gene) and eukaryotic (18S rRNA gene) datasets. -- Figure S3: Rarefaction curves for prokaryotic (16S rRNA gene) and eukaryotic (18S rRNA gene) communities. -- Figure S4: Total relative abundance of top-10 most abundant prokaryotic and eukaryotic plastisphere taxa in each sample group at class, family and genus levels. -- Table S1: Statistical summary of PERMANOVA tests performed on Bray-Curtis and binary Jaccard distances of proportion-transformed prokaryotic (16S rRNA gene) community data. -- Table S2: Statistical summary of permutation tests for homogeneity of multivariate dispersions with Bray-Curtis and binary Jaccard distances on proportion-transformed prokaryotic (16S rRNA gene) community data. -- Table S3: Statistical summary of pairwise PERMANOVA tests with Bray-Curtis and binary Jaccard distances on proportion-transformed prokaryotic (16S rRNA gene) community data comparing differences between incubation treatments and timepoints, respectively. -- Table S4: Statistical summary of pairwise PERMANOVA tests with Bray-Curtis and binary Jaccard distances on proportion-transformed prokaryotic (16S rRNA gene) community data comparing differences between sample groups. -- Table S5: Statistical summary of PERMANOVA tests performed on Bray-Curtis and binary Jaccard distances of proportion-transformed eukaryotic (18S rRNA gene) community data. -- Table S6: Statistical summary of permutation tests for homogeneity of multivariate dispersions with Bray-Curtis and binary Jaccard distances on proportion-transformed eukaryotic (18S rRNA gene) community data. -- Table S7: Statistical summary of pairwise PERMANOVA tests with Bray-Curtis and binary Jaccard distances on proportion-transformed eukaryotic (18S rRNA gene) community data comparing differences between incubation treatments and timepoints, respectively. -- Table S8: Statistical summary of pairwise PERMANOVA tests with Bray-Curtis and binary Jaccard distances on proportion-transformed eukaryotic (18S rRNA gene) community data comparing differences between sample groups. -- Table S9: Statistical summary of two-way analysis of variance (ANOVA) and assumptions testing (Levene’s test, Shapiro-Wilk test) performed on Shannon diversity data from the prokaryotic (16S rRNA gene) dataset. -- Table S10: Statistical summary of post-hoc Tukey’s HSD tests performed on Shannon diversity data from the prokaryotic (16S rRNA gene) dataset in order to compare Shannon diversity between sample groups. -- Table S11: Statistical summary of two-way analysis of variance (ANOVA) and assumptions testing (Levene’s test, Shapiro-Wilk test) performed on Shannon diversity data from the eukaryotic (18S rRNA gene) dataset. -- Table S12: Statistical summary of post-hoc Tukey’s HSD tests performed on Shannon diversity data from the eukaryotic (18S rRNA gene) dataset in order to compare Shannon diversity between sample groups. -- Table S13: Total relative abundance of a subset of genera associated with the obligate hydrocarbonoclastic bacteria (OHCB) group in OpenCoast and Cave samples over time.
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