Fig. 5: Diazotroph communities collected from Marine Snow Catcher (MSC) samples.
From: Diazotrophs are overlooked contributors to carbon and nitrogen export to the deep ocean
A Relative contribution of diazotroph groups detected in different MSC fractions (suspended, fast sinking and slow sinking). As in Fig. 2, diazotroph groups are defined as ASVs sharing more than 95% nucleotide identity. Diazotroph groups contributing less than 0.5% on average across samples were pooled together and are shown as ‘other Cyanobacteria’ and ‘other NCDs’ if they were taxonomically classified as ‘Cyanobacteria’ and as ‘Non-Cyanobacteria’ respectively. B Non- metric multidimensional scaling (NMDS) plot based on Bray–Curtis distances of taxonomic composition of diazotroph communities. Symbols indicate diazotroph communities from different MSC fractions. Sampling stations are colored based on the distance to the Tonga volcanic arc (mesotrophic stations), i.e., darker colors indicate samples located closer to the arc area than lighter colors.
