Figure 1
From: Low diversity of planktonic bacteria in the tropical ocean

Sampling stations of cruise ANT 28-5 across the Atlantic Ocean.
At each station, the epipelagic zone was sampled from 20 to 200 m. The free software Ocean Data View (Schlitzer, R., Ocean Data View, http://odv.awi.de, 2015), version 4.7.2, was used to generate the map in accordance with the geographical position reported in Supplementary Table S1.