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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Volume 15, issue 20
Biogeosciences, 15, 6199-6220, 2018
https://doi.org/10.5194/bg-15-6199-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 15, 6199-6220, 2018
https://doi.org/10.5194/bg-15-6199-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 26 Oct 2018

Research article | 26 Oct 2018

Factors controlling the community structure of picoplankton in contrasting marine environments

Jose Luis Otero-Ferrer et al.
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Cited articles  
Agawin, N. S., Duarte, C. M., and Agustí, S.: Nutrient and temperature control of the contribution of picoplankton to phytoplankton biomass and production, Limnol. Oceanogr., 45, 591–600, 2000. a, b
Álvarez-Salgado, X. A., Roson, G., Perez, F. F., and Pazos, Y.: Hydrographic variability off the R as Baixas (NW Spain) during the upwelling season, J. Geophys. Res., 98, 14447–14455, https://doi.org/10.1029/93JC00458, 1993. a, b
Alvarez-Salgado, X. A., Borges, A. V., Figueiras, F. G., and Chou, L.: Iberian margin: the Rías, in: Carbon and Nutrient Fluxes in Continental Margins, A Global Synthesis, IGBP, 103–120, 2010. a
Aranguren-Gassis, M., Serret, P., Fernández, E., Herrera, J. L., Domínguez-Yanes, J. F., Pérez, V., and Escánez, J.: Production and respiration control the marine microbial metabolic balance in the eastern North Atlantic subtropical gyre, Deep-Sea Res. Pt. I, 58, 768–775, https://doi.org/10.1016/j.dsr.2011.05.003, 2011. a
Azam, F., Fenchel, T., Field, J. G., Gray, J. C. S., Meyer-Reil, L. A., and Thingstad, F.: The ecological role of water-column microbes in the sea, Mar. Ecol. Prog. Ser., 10, 257–263, https://doi.org/10.3354/meps010257, 1983. a, b
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The effect of inorganic nutrients on planktonic assemblages has been traditionally assessed by looking at concentrations rather than fluxes of nutrient supply. However, in near-steady-state systems such as subtropical gyres, nitrate concentrations are kept close to the detection limit due to phytoplankton uptake. Our results, based on direct measurements of nitrate diffusive fluxes, support the key role of nitrate supply in controlling the structure of marine picoplankton communities.
The effect of inorganic nutrients on planktonic assemblages has been traditionally assessed by...
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