Global Plankton Functional Type Biomass Distributions: Coccolithophores

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Author(s) O'Brien, Colleen J., Peloquin, J., Vogt, Meike, Gruber, Nicolas, et al.
Publication Type Journal Items, Publication Status: Published
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Title Global Plankton Functional Type Biomass Distributions: Coccolithophores
Author(s) O'Brien, Colleen J.
Peloquin, J.
Vogt, Meike
Gruber, Nicolas
et al.
Journal or Series Title Earth System Science Data Discussions
Volume Number 5
Issue Number 2
Start Page 491
End Page 520
ISSN 1866-3591
Publisher Copernics Publication
Publication Place Bremerhaven
Publication Date 2012
Abstract Coccolithophores are calcifying marine phytoplankton of the class Prymnesiophyceae. They are considered to play an import role in the global carbon cycle through the production and export of organic carbon and calcite. We have compiled observations of global coccolithophore abundance from several existing databases as well as individual contributions of published and unpublished datasets. We estimate carbon biomass using standardised conversion methods and provide estimates of uncertainty associated with these values. The database contains 58 384 individual observations at various taxonomic levels. This corresponds to 12 391 observations of total coccolithophore abundance and biomass. The data span a time period of 1929–2008, with observations from all ocean basins and all seasons, and at depths ranging from the surface to 500 m. Highest biomass values are reported in the North Atlantic, with a maximum of 501.7 μg C l−1. Lower values are reported for the Pacific (maximum of 79.4 μg C l−1) and Indian Ocean (up to 178.3 μg C l−1). Coccolithophores are reported across all latitudes in the Northern Hemisphere, from the Equator to 89° N, although biomass values fall below 3 μg C l−1 north of 70° N. In the Southern Hemisphere, biomass values fall rapidly south of 50° S, with only a single non-zero observation south of 60° S. Biomass values show a clear seasonal cycle in the Northern Hemisphere, reaching a maximum in the summer months (June–July). In the Southern Hemisphere the seasonal cycle is less evident, possibly due to a greater proportion of low-latitude data.
DOI 10.5194/essdd-5-491-2012
Document Type Journal Item
Publication Status Published
Language English
Assigned Organisational Unit(s) 03731
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Source Database ID FORM-1357827099
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  author = "O'Brien, Colleen J. and Peloquin, J. and Vogt, Meike and Gruber, Nicolas and et al.",
  title = "{G}lobal {P}lankton {F}unctional {T}ype {B}iomass {D}istributions: {C}occolithophores",
  journal = "Earth System Science Data Discussions",
  year = 2012,
  volume = "5",
  number = "2",
  pages = "491--520",

E-Citations record created: Thu, 10 Jan 2013, 14:11:48 CET