show Abstracthide AbstractReconstruction of 52,325 qualified genomes composed of 8,466 prokaryotic species-level clusters spanning 59 phyla, including genomes from deep-sea deeper than 1,000 m (n=3,337), low-oxygen zones of <90 micro mol O2 per kg water (n=7,884), and polar regions (n=7,752). All genomes are QS >= 50.