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BG | Articles | Volume 17, issue 19
Biogeosciences, 17, 4831–4852, 2020
https://doi.org/10.5194/bg-17-4831-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Ecological and biogeochemical functioning of the coastal upwelling...

Biogeosciences, 17, 4831–4852, 2020
https://doi.org/10.5194/bg-17-4831-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 12 Oct 2020

Research article | 12 Oct 2020

Factors controlling plankton community production, export flux, and particulate matter stoichiometry in the coastal upwelling system off Peru

Lennart Thomas Bach et al.

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Cited articles

Albert, A., Echevin, V., Lévy, M., and Aumont, O.: Impact of nearshore wind stress curl on coastal circulation and primary productivity in the Peru upwelling system, J. Geophys. Res.-Oceans, 115, 1–13, https://doi.org/10.1029/2010JC006569, 2010. 
Arístegui, J. and Harrison, W. G.: Decoupling of primary production and community respiration in the ocean: implications for regional carbon studies, Aquat. Microb. Ecol., 29, 199–209, 2002. 
Ayón, P., Criales-Hernandez, M. I., Schwamborn, R., and Hirche, H. J.: Zooplankton research off Peru: A review, Prog. Oceanogr., 79, 238–255, https://doi.org/10.1016/j.pocean.2008.10.020, 2008. 
Bach, L. T., Taucher, J., Boxhammer, T., Ludwig, A., Achterberg, E. P., Algueró-Muñiz, M., Anderson, L. G., Bellworthy, J., Büdenbender, J., Czerny, J., Ericson, Y., Esposito, M., Fischer, M., Haunost, M., Hellemann, D., Horn, H. G., Hornick, T., Meyer, J., Sswat, M., Zark, M., and Riebesell, U.: Influence of Ocean Acidification on a Natural Winter-to-Summer Plankton Succession: First Insights from a Long-Term Mesocosm Study Draw Attention to Periods of Low Nutrient Concentrations, PLoS One, 11, e0159068, https://doi.org/10.1371/journal.pone.0159068, 2016a. 
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The eastern boundary upwelling system off Peru is among Earth's most productive ocean ecosystems, but the factors that control its functioning are poorly constrained. Here we used mesocosms, moored ~ 6 km offshore Peru, to investigate how processes in plankton communities drive key biogeochemical processes. We show that nutrient and light co-limitation keep productivity and export at a remarkably constant level while stoichiometry changes strongly with shifts in plankton community structure.
The eastern boundary upwelling system off Peru is among Earth's most productive ocean...
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