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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Average process length variation of the marine dinoflagellate cyst Operculodinium centrocarpum in the tropical and Southern Hemisphere Oceans: Assessing its potential as a palaeosalinity proxy
Marine Micropaleontology, Volume 86-87, Year 2012
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Description
The study investigates the morphological variability of the dinoflagellate cyst Operculodinium centrocarpum (resting cyst of Protoceratium reticulatum) in core-top samples distributed over the Southern Hemisphere and the tropics in relation to sea-surface temperature (SST) and sea-surface salinity (SSS) at the corresponding sites. The process lengths show a moderate inverse relationship to summer SST (sSST) (R 2=0.44) and sSSS/sSST (R 2=0.4), however, lateral transport of cysts probably produced noise in the plots. After excluding tropical and Southern Hemisphere sites considered to have been affected by long distance lateral transport, the relationship between process length and density follows the equation sD=0.8422x+1016.9 (R 2=0.55) with a Root Mean Square Error=0.63kgm -3, while the negative correlation with sSST increases up to R 2=0.79. Next to salinity, this study thus highlights the importance of a second factor, temperature, affecting process length in the topics and the Southern Hemisphere oceans. © 2012 Elsevier B.V.
Authors & Co-Authors
Verleye, Thomas J.
Belgium, Ghent
Universiteit Gent
Mertens, Kenneth Neil J.M.
Belgium, Ghent
Universiteit Gent
Young, Martin D.
Australia, Canberra
The Australian National University
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Dale, Barrie
Norway, Oslo
Universitetet I Oslo
McMinn, Andrew
Australia, Hobart
University of Tasmania
Scott, Louis
South Africa, Bloemfontein
University of the Free State
Zonneveld, Karin A.F.
Germany, Bremen
Marum – Zentrum Für Marine Umweltwissenschaften
Louwye, Stephen
Belgium, Ghent
Universiteit Gent
Statistics
Citations: 21
Authors: 8
Affiliations: 7
Identifiers
Doi:
10.1016/j.marmicro.2012.02.001
ISSN:
03778398