Late Quaternary dinoflagellate cysts from the Black, Marmara and Aegean seas: variations in assemblages, morphology and paleosalinity

The link between sea surface salinity (SSS) and dinoflagellate cyst morphology was studied quantitatively in cores of Late Quaternary mud from the Black, Marmara and Aegean seas, where oxygen isotopic and planktonic foraminiferal data show salinities of about 5–19, 15–22 and 36–39 ppt, respectively....

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Bibliographic Details
Published in:Marine micropaleontology 2001-09, Vol.43 (1), p.155-178
Main Authors: Mudie, P.J., Aksu, A.E., Yasar, D.
Format: Article
Language:English
Subjects:
Aegean Sea
Black Sea
Brigantedinium
dinocyst morphology
Marine
Marmara Sea
Operculodinium centrocarpum
Peridinium ponticum
Pyxidinopsis
Pyxidinopsis psilata
Quaternary
sea surface salinity
Spiniferites
Spiniferites cruciformis
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Summary:The link between sea surface salinity (SSS) and dinoflagellate cyst morphology was studied quantitatively in cores of Late Quaternary mud from the Black, Marmara and Aegean seas, where oxygen isotopic and planktonic foraminiferal data show salinities of about 5–19, 15–22 and 36–39 ppt, respectively. In the Black Sea, late glacial muds contain low-diversity assemblages of the cruciform species Spiniferites cruciformis and Pyxidinopsis psilata, with most S. cruciformis cysts having expanded septal membranes (form 1: circular outline, form 2: irregular). The assemblage is associated with surface salinities of
ISSN:0377-8398
1872-6186
DOI:10.1016/S0377-8398(01)00006-8