Eynaud, Frederique (2011): Planktonic Foraminifera in the Arctic; potentials and issues regarding modern and Quaternary populations. IOP Publishing, Bristol, United Kingdom, In: St-Onge, Guillaume (editor), Veiga-Pires, Cristina (editor), Solignac, Sandrine (editor), Ocean and climate changes in polar and subpolar environments; proceedings from the 2010 IODP-Canada/ECORD summer school, 14 (1), georefid:2013-046609

Calcareous microfossils are widely used by paleoceanographers to investigate past sea-surface hydrology. Among these microfossils, planktonic foraminifera are probably the most extensively used tool (e.g. [1] for a review), as they are easy to extract from the sediment and can also be used for coupled geochemical (e.g; delta (super 18) O, delta (super 13) C, Mg/Ca) and paleo-ecological investigations. Planktonic foraminifera are marine protists, which build a calcareous shell made of several chambers which reflect in their chemistry the properties of the ambient water-masses. Planktonic foraminifera are known to thrive in various habitats, distributed not only along a latitudinal gradient, but also along different water-depth intervals within surface waters (0-1000 m). Regarding their biogeographical distribution, planktonic foraminifera assemblages therefore mirror different water-masses properties, such as temperature, salinity and nutrient content of the surface water in which they live. The investigation of the specific composition of a fossil assemblage (relative abundances) is therefore a way to empirically obtain (paleo)information on past variations of sea-surface hydrological parameters. This paper focuses on the planktonic foraminifera record from the Arctic domain. This polar region records peculiar sea-surface conditions, with the influence of nearly perennial sea-ice cover development. This has strong impact on living foraminifera populations and on the preservation of their shells in the underlying sediments. Copyright Published under licence by IOP Publishing Ltd
West: 136.1000 East: 139.3300 North: 87.5600 South: 87.5100
Expedition: 302
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