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Vink, Annemiek; Baumann, Karl-Heinz; Boeckel, Babette; Esper, Oliver; Kinkel, Hanno; Volbers, Andrea N A; Willems, Helmut; Zonneveld, Karin A F (2003): Phytoplanktonic microfossil groups of sediments from the South and Equatorial Atlantic [dataset publication series]. PANGAEA,, Supplement to: Vink, A et al. (2003): Coccolithophorid and dinoflagellate synecology in the South and Equatorial Atlantic: Improving the palaeoecological significance of phytoplanktonic microfossils. In: Wefer, G; Mulitza, S & Ratmeyer, V (eds.), The South Atlantic in the Late Quaternary: Reconstruction of Material Budgets and Current Systems, Springer, Berlin, Heidelberg, New York, 101-120,

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Individual planktonic microfossil species, or assemblage groups of different species, are often used to, qualitatively and/or quantitatively, reconstruct past (sub)surface-water conditions of the world's oceans and seas. Until now, little information has been available on the surface sediment distribution patterns and paleoenvironmental reconstruction potential of coccolith, calcareous dinoflagellate cyst and organic-walled dinoflagellate cyst assemblages of the South and equatorial Atlantic, especially at the species level. This paper (i) summarizes the distributions of these three phytoplanktonic microfossil groups in numerous Atlantic surface sediments from 20°N-50°S and 30°E-65°W and determines their relationship with the physicochemical and trophic conditions of the overlying (sub)surface-waters, and (ii) determines the synecology of the three phytoplankton groups by carrying out statistical analyses (i.e. detrended and canonical correspondence analyses) on all groups simultaneously. Ecological relationships are additionally strengthened by statistically comparing the distribution patterns of the phytoplankton groups with those of planktonic foraminifera (Pflaumann et al. 1996; Niebler et al. 1998), as the ecological preferences of the latter are much better known. Many of the analyzed phytoplanktonic microfossil species or groups of species in the surface sediments do show restricted distributions which primarily reflect the environmental conditions of the upper water masses above them (e.g. sea-surface temperature, productivity, stratification). The acquired 'reference' data sets are large and diverse enough to allow future development of transfer functions for the reconstruction of past surface-water conditions, and show that there is still an enormous paleoenvironmental reconstruction potential concealed in many fossil coccolith and dinoflagellate cyst assemblages.
Related to:
Vink, Annemiek (2004): Calcareous dinoflagellate cysts in South and equatorial Atlantic surface sediments: diversity, distribution, ecology and potential for palaeoenvironmental reconstruction. Marine Micropaleontology, 50(1-2), 43-88,
Median Latitude: -14.497527 * Median Longitude: -30.915188 * South-bound Latitude: -49.128867 * West-bound Longitude: -64.161667 * North-bound Latitude: 18.933333 * East-bound Longitude: 17.861667
Date/Time Start: 1989-02-22T00:00:00 * Date/Time End: 2000-03-04T02:21:00
A-9 * Latitude: -10.717000 * Longitude: -36.293000 * Elevation Start: -204.0 m * Elevation End: -204.0 m * Campaign: JOPSI-3 * Basis: Victor Hensen * Method/Device: Box corer (BC)
A-21 * Latitude: -16.463000 * Longitude: -38.472000 * Elevation Start: -160.0 m * Elevation End: -160.0 m * Campaign: JOPSI-3 * Basis: Victor Hensen * Method/Device: van Veen Grab (VGRAB)
A-24 * Latitude: -16.512000 * Longitude: -38.495000 * Campaign: JOPSI-3 * Basis: Victor Hensen * Method/Device: Box corer (BC)
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