Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/51631
Title: Global marine plankton functional type biomass distributions: Coccolithophores
Authors: O'Brien, C. J.
Peloquin, J. A.
Vogt, M.
Heinle, M.
Gruber, N.
Ajani, P.
Andruleit, H.
Arístegui, J. 
Beaufort, L.
Estrada, M.
Karentz, D.
Kopczyńska, E.
Lee, R.
Poulton, A. J.
Pritchard, T.
Widdicombe, C.
UNESCO Clasification: 251001 Oceanografía biológica
Keywords: Emiliania-Huxleyi
Indian-Ocean
Cell-Volume
Carbon
Dynamics, et al
Issue Date: 2013
Publisher: 1866-3508
Journal: Earth System Science Data 
Abstract: Coccolithophores are calcifying marine phytoplankton of the class Prymnesiophyceae. They areconsidered to play an import role in the global carbon cycle through the production and export of organiccarbon and calcite. We have compiled observations of global coccolithophore abundance from several existingdatabases as well as individual contributions of published and unpublished datasets. We make conservativeestimates of carbon biomass using standardised conversion methods and provide estimates of uncertainty as-sociated with these values. The quality-controlled database contains 57 321 individual observations at varioustaxonomic levels. This corresponds to 11 503 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 atdepths ranging from the surface to 500 m. Highest biomass values are reported in the North Atlantic, with amaximum of 127.2μg C L−1. Lower values are reported for the Pacific (maximum of 20.0μg C L−1) and IndianOcean (up to 45.2μg C L−1). Maximum biomass values show peaks around 60◦N and between 40 and 20◦S,with declines towards both the equator and the poles. Biomass estimates between the equator and 40◦N are be-low 5μg C L−1. Biomass values show a clear seasonal cycle in the Northern Hemisphere, reaching a maximumin the summer months (June–July). In the Southern Hemisphere the seasonal cycle is less evident, possiblydue to a greater proportion of low-latitude data. The original and gridded datasets can be downloaded fromPangaea
URI: http://hdl.handle.net/10553/51631
ISSN: 1866-3508
DOI: 10.5194/essd-5-259-2013
Source: Earth System Science Data [ISSN 1866-3508], v. 5, p. 259-276
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