Articles | Volume 14, issue 21
Biogeosciences, 14, 4905–4925, 2017
https://doi.org/10.5194/bg-14-4905-2017
Biogeosciences, 14, 4905–4925, 2017
https://doi.org/10.5194/bg-14-4905-2017

Research article 07 Nov 2017

Research article | 07 Nov 2017

The influence of environmental variability on the biogeography of coccolithophores and diatoms in the Great Calcite Belt

Helen E. K. Smith et al.

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Cited articles

Armand, L. K., Cornet-Barthaux, V., Mosseri, J., and Quéguiner, B.: Late summer diatom biomass and community structure on and around the naturally iron-fertilised Kerguelen Plateau in the Southern Ocean, Deep Sea-Res. Pt. II, 55, 653–676, https://doi.org/10.1016/j.dsr2.2007.12.031, 2008.
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The Great Calcite Belt (GCB), a region of high calcite concentration from coccolithophores, covers 60 % of the Southern Ocean area. We examined the influence of temperature, macronutrients, and carbonate chemistry on the distribution of mineralizing phytoplankton in the GCB. Coccolithophores occupy a niche in the Southern Ocean after the diatom spring bloom depletes silicic acid. No single environmental variable holds a dominant influence over phytoplankton biogeography in summer GCB conditions.
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