Auxillary Table S1

Contextual data of biosamples: Table containing chemical, geographical, and other contextual data about the physical samples collected for this dataset. Contains the fields: • sample_id: name of the sample, corresponds to sample_name in other tables • Run: R[123], the data was sequenced in 3 Illumina NovaSeq runs, this is the ID of the run • site name: name of the location samples (e.g. lake-name, or ID) • Lake_code: short ID for that location • region: geographical region the location is in (), or closes large city • sample_accession: SRA/ENA sample accession to the raw data • assembly_accession: ENA metagenome assembly accession • all other columns correspond to metadata-fields of ENA mostly from ENA-checklist ERC000024, the second row of the table is units corresponding to columns