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. 2016 May 18;7:717. doi: 10.3389/fmicb.2016.00717

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Copyright © 2016 Almeida, Nóbrega, Junger, Figueiredo, Andrade, de Moura, Tonetta, Oliveira, Araújo, Rust, Piñeiro-Guerra, Mendonça, Medeiros, Pinheiro, Miranda, Costa, Melo, Nobre, Benevides, Roland, de Klein, Barros, Mendonça, Becker, Huszar and Kosten.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Hourly estimates, in oxygen units, of volumetric gross primary production (GPP), respiration (R) and net ecosystem production (NEP), between July 14 and 17. R is shown as an average of NEP during nighttime on each day. The average R over the 4 days was 0.31 ± 0.07 mg O₂ L^-1 h^-1. (B) Daily estimates, in carbon units, of GPP and R. (C) Daily estimates, in carbon units, of areal NEP-system (i.e., considering sediment respiration) and NEP-pelagic (i.e., excluding sediment respiration, 722 ± 182 mg C m^-2 d^-1) between July 14 and 17. The whiskers outside NEP-pelagic bars indicate the standard deviation of sediment respiration.