Data availability
Representative sequences from each OTU recovered from Baltic Sea
sediment using Sanger sequencing are stored in NCBI GenBank under
accession number MH472563-MH472566. Raw sequencing data from sediment
samples in Chesapeake Bay and Kangerlussuaq Fjord are stored in Sequence
Read Archive (SRA) database of NCBI under accession number PRJNA835469.
List of published datasets re-investigated in this study are included in
supplementary materials. Processed data outcomes are available upon
request.