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Vink, Annemiek; Zonneveld, Karin A F; Willems, Helmut (2000): Dinoflagellate cysts in western equatorial Atlantic surface sediments. PANGAEA, https://doi.org/10.1594/PANGAEA.55922, Supplement to: Vink, A et al. (2000): Organic-walled dinoflagellate cysts in western equatorial Atlantic surface sediments: Distributions and their relation to environment. Review of Palaeobotany and Palynology, 112(4), 247-286, https://doi.org/10.1016/S0034-6667(00)00046-4

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Abstract:
In contrast to the wide range of studies carried out in temperate and high-latitude oceanic regions, only a few studies have focused on recent and Holocene organic-walled dinoflagellate cyst assemblages from the tropics. This information is, however, essential for fully understanding the ability of species to adapt to different oceanographic regimes, and ultimately their potential application to local and regional palaeoenvironmental and palaeoceanographic reconstructions. Surface sediment samples of the western equatorial Atlantic Ocean north of Brazil, an area greatly influenced by Amazon River discharge waters, were therefore analysed in detail for their organic-walled dinoflagellate cyst content. A diverse association of 43 taxa was identified, and large differences in cyst distribution were observed. The cyst thanatocoenosis in bottom sediments reflects the seasonal advection of Amazon River discharge water through the Guyana Current and the North Equatorial Countercurrent well into the North Atlantic. To establish potential links between cyst distribution and the environmental conditions of the upper water column, distribution patterns were compared with mean temperature, salinity, density and stratification gradients within the upper water column (0–100 m) over different times of the year, using correspondence analysis and canonical correspondence analysis. The analyses show that differences in these parameters only play a subordinate role in determining species distribution. Instead, nutrient availability, or related factors, dominates the distribution pattern. The only possible indicators of slightly reduced salinities are Trinovantedinium applanatum and Lingulodinium machaerophorum. Four assemblage groups of cyst taxa with similar environmental affinities related to specific water masses/currents can be distinguished and have potential for palaeoenvironmental reconstruction.
Related to:
Vink, Annemiek (2000): Reconstruction of recent and late Quaternary surface water masses of the western subtropical Atlantic Ocean based on calcareous and organic-walled dinoflagellate cysts. Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, 159, 160 pp, urn:nbn:de:gbv:46-ep000102797
Coverage:
Median Latitude: -2.197500 * Median Longitude: -40.711049 * South-bound Latitude: -31.615000 * West-bound Longitude: -59.388333 * North-bound Latitude: 18.195000 * East-bound Longitude: -16.330000
Date/Time Start: 1996-03-01T00:00:00 * Date/Time End: 1997-04-04T13:54:00
Minimum DEPTH, sediment/rock: m * Maximum DEPTH, sediment/rock: m
Event(s):
GeoB3809-1 * Latitude: -31.053333 * Longitude: -16.330000 * Date/Time: 1996-03-01T00:00:00 * Elevation: -3470.0 m * Recovery: 0.08 m * Location: Mid Atlantic Ridge * Campaign: M34/3 * Basis: Meteor (1986) * Method/Device: MultiCorer (MUC) * Comment: 2 tubes empty (2/10cm)
GeoB3810-2 * Latitude: -31.133333 * Longitude: -16.838333 * Date/Time: 1996-03-02T00:00:00 * Elevation: -3810.0 m * Recovery: 0.11 m * Location: Mid Atlantic Ridge * Campaign: M34/3 * Basis: Meteor (1986) * Method/Device: MultiCorer (MUC) * Comment: 2 tubes empty (2/10cm)
GeoB3812-2 * Latitude: -31.615000 * Longitude: -19.760000 * Date/Time: 1996-03-03T00:00:00 * Elevation: -4204.0 m * Recovery: 0.1 m * Location: Mid Atlantic Ridge * Campaign: M34/3 * Basis: Meteor (1986) * Method/Device: MultiCorer (MUC) * Comment: 2 tubes empty (2/10cm)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4Elevation of eventElevationm
5DEPTH, sediment/rockDepthmGeocode
6BrigantediniumBrigantedinium#Willems, HelmutCounting, dinoflagellate cysts
7Echinidinium aculeatumE. aculeatum#Willems, HelmutCounting, dinoflagellate cysts
8Echinidinium granulatumE. granulatum#Willems, HelmutCounting, dinoflagellate cysts
9Echinidinium transparantumE. transparantum#Willems, HelmutCounting, dinoflagellate cysts
10Echinidinium delicatumE. delicatum#Willems, HelmutCounting, dinoflagellate cysts
11Echinidinium spp.Echinidinium spp.#Willems, HelmutCounting, dinoflagellate cysts
12Brigantedinium cariacoenseB. cariacoense#Willems, HelmutCounting, dinoflagellate cysts
13Protoperidinium americanumP. americanum#Willems, HelmutCounting, dinoflagellate cysts
14Selenopemphix alticinctumS. alticinctum#Willems, HelmutCounting, dinoflagellate cysts
15Quenquecuspis concretumQ. concretum#Willems, HelmutCounting, dinoflagellate cysts
16Lejeunecysta olivaL. oliva#Willems, HelmutCounting, dinoflagellate cysts
17Lejeunecysta sabrinaL. sabrina#Willems, HelmutCounting, dinoflagellate cysts
18Votadinium calvumV. calvum#Willems, HelmutCounting, dinoflagellate cysts
19Votadinium spinosumV. spinosum#Willems, HelmutCounting, dinoflagellate cysts
20Trinovantedinium capitatumT. capitatum#Willems, HelmutCounting, dinoflagellate cysts
21Protoperidinium compressumP. compressum#Willems, HelmutCounting, dinoflagellate cysts
22Multispinula quantaM. quanta#Willems, HelmutCounting, dinoflagellate cysts
23Protoperidinium nudumP. nudum#Willems, HelmutCounting, dinoflagellate cysts
24Diplopelta symmetricaD. symmetrica#Willems, HelmutCounting, dinoflagellate cysts
25Pentapharsodinium daleiP. dalei#Willems, HelmutCounting, dinoflagellate cysts
26Pixidinopsis reticulataP. reticulata#Willems, HelmutCounting, dinoflagellate cysts
27Dalella chathamensisD. chathamensis#Willems, HelmutCounting, dinoflagellate cysts
28Tuberculodinium vancampoaeT. vancampoae#Willems, HelmutCounting, dinoflagellate cysts
29Polyspaeridium zoharyiP. zoharyi#Willems, HelmutCounting, dinoflagellate cysts
30Nematosphaeropsis labyrinthusN. labyrinthus#Willems, HelmutCounting, dinoflagellate cysts
31Nematosphaeropsis lemniscataN. lemniscata#Willems, HelmutCounting, dinoflagellate cysts
32Impagidinium aculeatumI. aculeatum#Willems, HelmutCounting, dinoflagellate cysts
33Impagidinium paradoxumI. paradoxum#Willems, HelmutCounting, dinoflagellate cysts
34Impagidinium sphaericumI. sphaericum#Willems, HelmutCounting, dinoflagellate cysts
35Impagidinium strialatumI. strialatum#Willems, HelmutCounting, dinoflagellate cysts
36Impagidinium patulumI. patulum#Willems, HelmutCounting, dinoflagellate cysts
37Impagidinium plicatumI. plicatum#Willems, HelmutCounting, dinoflagellate cysts
38Impagidinium pallidumI. pallidum#Willems, HelmutCounting, dinoflagellate cysts
39Impagidinium variaseptumI. variaseptum#Willems, HelmutCounting, dinoflagellate cysts
40Impagidinium velorumI. velorum#Willems, HelmutCounting, dinoflagellate cysts
41Impagidinium sp.Impagidinium sp.#Willems, HelmutCounting, dinoflagellate cysts
42Protoceratium reticulatum longP. reticulatum long#Willems, HelmutCounting, dinoflagellate cysts
43Protoceratium reticulatum shortP. reticulatum short#Willems, HelmutCounting, dinoflagellate cysts
44Operculodinium israelianum longO. israelianum long#Willems, HelmutCounting, dinoflagellate cysts
45Operculodinium israelianum shortO. israelianum short#Willems, HelmutCounting, dinoflagellate cysts
46OperculodiniumOperculodinium#Willems, HelmutCounting, dinoflagellate cysts
47Lingulodinium machaerophorum longL. machaerophorum long#Willems, HelmutCounting, dinoflagellate cysts
48Lingulodinium machaerophorum shortL. machaerophorum short#Willems, HelmutCounting, dinoflagellate cysts
49MelitasphaeridiumMelitasphaeridium#Willems, HelmutCounting, dinoflagellate cysts
50SpiniferitesSpiniferites#Willems, HelmutCounting, dinoflagellate cysts
51Spiniferites bulloideusS. bulloideus#Willems, HelmutCounting, dinoflagellate cysts
52Spiniferites mirabilisS. mirabilis#Willems, HelmutCounting, dinoflagellate cysts
53Spiniferites pachydermusS. pachydermus#Willems, HelmutCounting, dinoflagellate cysts
54Spiniferites membranaceusS. membranaceus#Willems, HelmutCounting, dinoflagellate cysts
55Spiniferites delicatusS. delicatus#Willems, HelmutCounting, dinoflagellate cysts
56Spiniferites bentoriiS. bentorii#Willems, HelmutCounting, dinoflagellate cysts
57Spiniferites hyperacanthusS. hyperacanthus#Willems, HelmutCounting, dinoflagellate cysts
58Spiniferites ramosusS. ramosus#Willems, HelmutCounting, dinoflagellate cysts
59Bitectatodinium spongiumB. spongium#Willems, HelmutCounting, dinoflagellate cysts
60Dinoflagellate cyst indeterminataDinofl indet#Willems, HelmutCounting, dinoflagellate cysts
61Sample massSamp mgWillems, Helmut
62Slide volumeslide volmlWillems, Helmutsee reference(s)
Size:
1938 data points

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