SRS1468089 SAMN05178561 sediment surface 16S rRNA gene data (diatom experiment) 412755 marine sediment metagenome isolation_source sediment collection_date 2015-04-16 geo_loc_name Sweden: Coastal Baltic Sea sediment lat_lon 57.88702 N 16.59894299 E BioSampleModel Metagenome or environmental