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Matthiessen, Jens (1995): Dinoflagellate cyst species composition of recent surface samples (Appendix). PANGAEA, https://doi.org/10.1594/PANGAEA.733497, Supplement to: Matthiessen, J (1995): Distribution patterns of dinoflagellate cysts and other organic-walled microfossils in recent Norwegain-Greenland Sea sediments. Marine Micropaleontology, 24(3-4), 307-334, https://doi.org/10.1016/0377-8398(94)00016-G

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Abstract:
Dinoflagellate cysts and other organic-walled microfossils have been studied in recent surface sediments from the entire Norwegian-Greenland Sea. More than 30 taxa have been recognized, of which only few show a distinct distribution pattern, and allow description of four assemblages. The occurrence of most taxa is related to the relatively warmer waters of the Norwegian Sea. Algidaspaeridium? minutum s.1., Brigantedinium simplex and Impagidinium? pallidum are the only species showing a preference for colder water masses. Two species, I.? pallidum and Nematosphaeropsis labyrinthus are mainly restricted to the oceanic environment, whereas the other species have also been reported from neritic environments in previous studies. Due to the limited knowledge of the ecological and sedimentological factors influencing the occurrence of dinoflagellate cysts in oceanic environments, their distribution in recent sediments can be only related to surface water masses in a broad sense.
Although the distribution of assemblages correlates with specific surface water masses, comparison with assemblages recovered from sediment traps deployed basinwide in the Norwegian-Greenland Sea (Dale and Dale, 1992) revealed some major discrepancies in species composition and percentage abundances. The differences cannot be explained with certainty at the moment, although there is some evidence that transport of dinoflagellate cysts and other fossilizable microplankton in water masses by currents, in sea-ice and sediments may modify the assemblages found in recent oceanic surface sediments from the Norwegian-Greenland Sea.
Coverage:
Median Latitude: 72.594838 * Median Longitude: -5.205923 * South-bound Latitude: 62.524200 * West-bound Longitude: -21.112100 * North-bound Latitude: 80.019997 * East-bound Longitude: 15.749330
Date/Time Start: 1984-09-01T00:00:00 * Date/Time End: 1989-06-05T00:00:00
Minimum DEPTH, sediment/rock: m * Maximum DEPTH, sediment/rock: m
Event(s):
GIK16393-1 * Latitude: 62.524200 * Longitude: -9.956900 * Date/Time: 1988-06-01T00:00:00 * Elevation: -588.0 m * Location: Atlantic Ocean * Campaign: POS146/3 (PO146C) * Basis: Poseidon * Device: Giant box corer (GKG)
GIK16915-1 (POS158/1-GEOM_02/2-GKG) * Latitude: 67.925000 * Longitude: -18.362333 * Date/Time: 1989-04-10T00:00:00 * Elevation: -704.0 m * Location: Norwegian-Greenland Sea/off Iceland * Campaign: POS158/1 (PO158/A) * Basis: Poseidon * Device: Giant box corer (GKG)
GIK16916-1 (POS158/1-GEOM_03/1-GKG) * Latitude: 69.031667 * Longitude: -18.019833 * Date/Time: 1989-04-11T00:00:00 * Elevation: -1250.0 m * Location: Norwegian-Greenland Sea/off Iceland * Campaign: POS158/1 (PO158/A) * Basis: Poseidon * Device: Giant box corer (GKG)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4Elevation of eventElevationm
5DEPTH, sediment/rockDepthmGeocode
6Dinoflagellate cystDinofl cyst#Matthiessen, JensCounting 100-150 µm fraction
7Dinoflagellate cyst per unit massDinofl cyst#/gMatthiessen, JensCounting 100-150 µm fraction
8Algidasphaeridium minutumA. minutum%Matthiessen, JensCounting 100-150 µm fractiongenus questionable, s.l.
9Ataxiodinium choaneA. choane%Matthiessen, JensCounting 100-150 µm fraction
10Bitectatodinium tepikienseB. tepikiense%Matthiessen, JensCounting 100-150 µm fraction
11Brigantedinium simplexB. simplex%Matthiessen, JensCounting 100-150 µm fraction
12Brigantedinium spp.Brigantedinium spp.%Matthiessen, JensCounting 100-150 µm fractionincludes counts of B. simplex
13Impagidinium pallidumI. pallidum%Matthiessen, JensCounting 100-150 µm fractiongenus questionable
14Impagidinium spp.Impagidinium spp.%Matthiessen, JensCounting 100-150 µm fractionwithout counts of I.? pallidum
15Lingulodinium machaerophorumL. machaerophorum%Matthiessen, JensCounting 100-150 µm fraction
16Multispinula quantaM. quanta%Matthiessen, JensCounting 100-150 µm fraction
17Nematosphaeropsis labyrinthusN. labyrinthus%Matthiessen, JensCounting 100-150 µm fraction
18Operculodinium centrocarpumO. centrocarpum%Matthiessen, JensCounting 100-150 µm fraction
19Peridinium faeroenseP. faeroense%Matthiessen, JensCounting 100-150 µm fraction
20Polykrikos schwarziiP. schwarzii%Matthiessen, JensCounting 100-150 µm fraction
21Spiniferites elongatusS. elongatus%Matthiessen, JensCounting 100-150 µm fraction
22Spiniferites spp.Spiniferites spp.%Matthiessen, JensCounting 100-150 µm fractioninclude counts of S. elongatus s.l.
23Trinovantedinium capitatumT. capitatum%Matthiessen, JensCounting 100-150 µm fraction
24Dinoflagellate cyst indeterminataDinofl cyst indet%Matthiessen, JensCounting 100-150 µm fraction
25Halodinium spp.Halodinium spp.%Matthiessen, JensCounting 100-150 µm fraction
26Cymatiosphaera spp.Cymatiosphaera spp.%Matthiessen, JensCounting 100-150 µm fraction
27Pediastrum spp.Pediastrum spp.%Matthiessen, JensCounting 100-150 µm fraction
Size:
1972 data points

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