Fig. 1.
Overview of the study. (a) Geographic distribution of the 2,057 metagenomes analyzed in this study (shown by black points). The map was drawn using marmap77 and ggplot2 (https://ggplot2.tidyverse.org/). (b) Origin of the metagenome samples. Details of the sample origin were described in the main text. (c) Schematic representation of the pipeline for MAG reconstruction. Three key processes were highlighted with brown stars. Source data is available in Supplementary File S1.