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. 2021 Jan 21;118(4):e2018269118. doi: 10.1073/pnas.2018269118

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Copyright © 2021 the Author(s). Published by PNAS.

This open access article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND).

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Fig. 1. — Particulate carbon and nitrogen flux and rRNA-based taxon abundances on sinking particles reaching 4,000 m from 2014 to 2016. (A) Particulate carbon (PC) and nitrogen (PN) throughout the time series. The dashed lines represent thresholds for the summer export pulse (SEP) for carbon and nitrogen flux (150% of the mean value). (B) Recovery of eukaryotic SSU rRNAs in the sediment trap time-series samples. (C) Recovery of bacterial and archaeal SSU rRNAs in the sediment trap time-series samples. Samples collected during the SEP ECF period are shaded in gray in A, and outlined in the black boxes in B and C.