Disentangling the mechanisms shaping the surface ocean microbiota

17 pages, 4 figures, supplementary information https://doi.org/10.1186/s40168-020-00827-8.-- DNA sequences and metadata from the Malaspina expedition are publicly available at the European Nucleotide Archive (http://www.ebi.ac.uk/ena; accession numbers PRJEB23913 [18S rRNA genes] & PRJEB25224 [16S rRNA genes]). The data used from TARA Oceans is publicly available through Pangaea (https://doi.org/10.1594/PANGAEA.873275) as well as in (http://ocean-microbiome.embl.de/companion.html) [34, 56]. The code for generating OTU-99% tables is available in: https://doi.org/10.5281/zenodo.259579. R-Scripts for calculating the β-Nearest Taxon Index and the Raup-Crick metric are available in https://github.com/stegen/Stegen_etal_ISME_2013. The code for calculating the TINA and PINA indices is available in https://github.com/defleury/Schmidt_et_al_2016_community_similarity, while the code for calculating MIC is available at http://www.exploredata.net. All used R packages as well as other software are cited in ‘Methods’ section