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  • 2005-2009  (9)
  • 2009  (9)
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  • 2005-2009  (9)
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  • 1
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    (Appendix A) Dinoflagellate cyst analysis of surface sediment samples off West Africa (2009)
    PANGAEA
    Details
    Publication Date: 2023-11-28
    Keywords: 286; 287; 288; 289; 290; 291; 293; 295; 297; 298; 300; 301; 302; 303; 304; 305; 306; 307; 310; 311; 312; 313; 314; 316; 317; 318; 319; 320; 321; 322; 323; 324; 326; 327; 329; 330; 331; Bitectatodinium spongium; Brigantedinium spp.; Center for Marine Environmental Sciences; Counting, palynology; DEPTH, sediment/rock; Dinoflagellate cyst; Dinoflagellate cyst indeterminata; Dubridinium spp.; Echinidinium aculeatum; Echinidinium delicatum; Echinidinium granulatum; Echinidinium spp.; Echinidinium transparantum; Elevation of event; Event label; GeoB9501-4; GeoB9502-5; GeoB9503-3; GeoB9504-4; GeoB9505-3; GeoB9506-3; GeoB9508-4; GeoB9510-3; GeoB9512-4; GeoB9513-5; GeoB9515-2; GeoB9516-4; GeoB9517-5; GeoB9518-4; GeoB9519-6; GeoB9520-4; GeoB9521-3; GeoB9522-2; GeoB9525-5; GeoB9526-4; GeoB9527-6; GeoB9528-1; GeoB9529-1; GeoB9531-2; GeoB9532-1; GeoB9533-3; GeoB9534-4; GeoB9535-5; GeoB9536-4; GeoB9537-4; GeoB9538-5; GeoB9539-1; GeoB9541-1; GeoB9542-1; GeoB9544-1; GeoB9545-1; GeoB9546-1; Impagidinium aculeatum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium spp.; Latitude of event; Leujeunocysta oliva; Lingulodinium machaerophorum; Longitude of event; M65/1; MARUM; Mauritania Canyon; Meteor (1986); MUC; MultiCorer; Nematosphaeropsis labyrinthus; Operculodinium centrocarpum; Operculodinium israelianum; Pentapharsodinium dalei; Polykrikos kofoidii; Polysphaeridium zoharyi; Protoperidinium americanum; Protoperidinium monospinum; Protoperidinium spp.; Protoperidinium stellatum; Quinquecuspis concreta; Selenopemphix nephroides; Selenopemphix quanta; Spiniferites bentori; Spiniferites bulloides; Spiniferites hyperacanthus; Spiniferites mirabilis; Spiniferites pachydermus; Spiniferites ramosus; Spiniferites spp.; Stelladinium spp.; Trinovantedinium applanatum; Tuberculodinium vancampoae; Votadinium calvum; Votadinium spinosum; Xandarodinium xanthum
    Type: Dataset
    Format: text/tab-separated-values, 1591 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    (Table 1) Total cyst counts and concentrations of dinocysts and pollen together with environmental parameters (2009)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: 286; 287; 288; 289; 290; 291; 293; 295; 297; 298; 300; 301; 302; 303; 304; 305; 306; 307; 310; 311; 312; 313; 314; 316; 317; 318; 319; 320; 321; 322; 323; 324; 326; 327; 329; 330; 331; 371; 376; 388; Atlantic Ocean; Calculated, see reference(s); Center for Marine Environmental Sciences; Chlorophyll a; Counting, palynology; DEPTH, sediment/rock; Dinoflagellate cyst; Dinoflagellate cyst per unit mass; Eckernfoerder Bay; Elevation of event; Event label; GeoB9501-4; GeoB9502-5; GeoB9503-3; GeoB9504-4; GeoB9505-3; GeoB9506-3; GeoB9508-4; GeoB9510-3; GeoB9512-4; GeoB9513-5; GeoB9515-2; GeoB9516-4; GeoB9517-5; GeoB9518-4; GeoB9519-6; GeoB9520-4; GeoB9521-3; GeoB9522-2; GeoB9525-5; GeoB9526-4; GeoB9527-6; GeoB9528-1; GeoB9529-1; GeoB9531-2; GeoB9532-1; GeoB9533-3; GeoB9534-4; GeoB9535-5; GeoB9536-4; GeoB9537-4; GeoB9538-5; GeoB9539-1; GeoB9541-1; GeoB9542-1; GeoB9544-1; GeoB9545-1; GeoB9546-1; GEOTROPEX 83, NOAMP I; Giant box corer; GIK16402-1; GIK16404-1; GIK16405-1; GIK16407-1; GIK16414-1; GIK16421-1; GIK16425-1; GIK16437-3; GIK16558-1; GIK16755-1; GIK16764-1; GIK16765-1; GIK16766-1; GIK16767-1; GIK16768-1; GIK16769-1; GKG; Gravity corer (Kiel type); Latitude of event; LI198x; Littorina; Longitude of event; M6/5; M65; M65/1; MARUM; Mauritania Canyon; Meteor (1964); Meteor (1986); MUC; MultiCorer; Nitrate; off Guinea; Oxygen; Phosphate; Pollen, per unit sediment mass; Sea surface salinity; Sea surface temperature, autumn; Sea surface temperature, spring; Sea surface temperature, summer; Sea surface temperature, winter; see reference(s); SL; van Veen Grab; VGRAB
    Type: Dataset
    Format: text/tab-separated-values, 923 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Dinoflagellate cysts and pollen distribution of marine surface sediments off West Africa (2009)
    PANGAEA
    In:  Supplement to: Bouimetarhan, Ilham; Marret, Fabienne; Dupont, Lydie M; Zonneveld, Karin A F (2009): Dinoflagellate cyst distribution in marine surface sediments off West Africa (6-17°N) in relation to sea-surface conditions, freshwater input and seasonal coastal upwelling. Marine Micropaleontology, 71(3-4), 113-130, https://doi.org/10.1016/j.marmicro.2009.02.001
    Details
    Publication Date: 2024-02-02
    Description: An organic-walled dinoflagellate cyst analysis was carried out on 53 surface sediment samples from West Africa (17-6°N) to obtain insight in the relationship between their spatial distribution and hydrological conditions in the upper water column as well as marine productivity in the study area. Multivariate analysis of the dinoflagellate cyst relative abundances and environmental parameters of the water column shows that sea-surface temperature, salinity, marine productivity and bottom water oxygen are the factors that relate significantly to the distribution patterns of individual species in the region. The composition of cyst assemblages and dinoflagellate cyst concentrations allows the identification of four hydrographic regimes; 1) the northern regime between 17 and 14°N characterized by high productivity associated with seasonal coastal upwelling, 2) the southern regime between 12 and 6°N associated with high-nutrient waters influenced by river discharge 3) the intermediate regime between 14 and 12°N influenced mainly by seasonal coastal upwelling additionally associated with fluvial input of terrestrial nutrients and 4) the offshore regime characterized by low chlorophyll-a concentrations in upper waters and high bottom water oxygen concentrations. Our data show that cysts of Polykrikos kofoidii, Selenopemphix quanta, Dubridinium spp., Echinidinium species, cysts of Protoperidinium monospinum and Spiniferites pachydermus are the best proxies to reconstruct the boundary between the NE trade winds and the monsoon winds in the subtropical eastern Atlantic Ocean. The association of Bitectatodinium spongium, Lejeunecysta oliva, Quinquecuspis concreta, Selenopemphix nephroides, Trinovantedinium applanatum can be used to reconstruct past river outflow variations within this region.
    Keywords: 286; 287; 288; 289; 290; 291; 293; 295; 297; 298; 300; 301; 302; 303; 304; 305; 306; 307; 310; 311; 312; 313; 314; 316; 317; 318; 319; 320; 321; 322; 323; 324; 326; 327; 329; 330; 331; 371; 376; 388; Atlantic Ocean; Center for Marine Environmental Sciences; Eckernfoerder Bay; GeoB9501-4; GeoB9502-5; GeoB9503-3; GeoB9503-5; GeoB9504-4; GeoB9505-3; GeoB9506-3; GeoB9508-4; GeoB9510-3; GeoB9512-4; GeoB9513-5; GeoB9515-2; GeoB9516-4; GeoB9517-5; GeoB9518-4; GeoB9519-6; GeoB9520-4; GeoB9521-3; GeoB9522-2; GeoB9525-5; GeoB9526-4; GeoB9527-6; GeoB9528-1; GeoB9529-1; GeoB9531-2; GeoB9532-1; GeoB9533-3; GeoB9534-4; GeoB9535-5; GeoB9536-4; GeoB9537-4; GeoB9538-5; GeoB9539-1; GeoB9541-1; GeoB9542-1; GeoB9544-1; GeoB9545-1; GeoB9546-1; GEOTROPEX 83, NOAMP I; Giant box corer; GIK16402-1; GIK16404-1; GIK16405-1; GIK16407-1; GIK16414-1; GIK16421-1; GIK16425-1; GIK16437-3; GIK16558-1; GIK16755-1; GIK16764-1; GIK16765-1; GIK16766-1; GIK16767-1; GIK16768-1; GIK16769-1; GKG; Gravity corer (Kiel type); LI198x; Littorina; M6/5; M65; M65/1; MARUM; Mauritania Canyon; Meteor (1964); Meteor (1986); MUC; MultiCorer; off Guinea; SL; van Veen Grab; VGRAB
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Absolute abundances of dinoflagellate cysts in surface sediment samples from the Celtic Sea (2009)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: Celtic_Sea; Center for Marine Environmental Sciences; GeoB; Geosciences, University of Bremen; Laboratory; Lycopodium marker-grain method; MARUM; MUC; MultiCorer; Species
    Type: Dataset
    Format: text/tab-separated-values, 2754 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Absolute abundances of dinoflagellate cysts in surface sediment samples from the North Sea (2009)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: Center for Marine Environmental Sciences; GeoB; Geosciences, University of Bremen; Laboratory; Lycopodium marker-grain method; MARUM; North_Sea; North Sea; see reference(s); Species
    Type: Dataset
    Format: text/tab-separated-values, 1969 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Age model and pollen analysis from site GIK16867 in the northern Angola Basin (2009)
    PANGAEA
    In:  Supplement to: Dupont, Lydie M; Marret, Fabienne; Winn, Kyaw (1998): Land-sea correlation by means of terrestrial and marine palynomorphs from the equatorial East Atlantic: phasing of SE trade winds and the oceanic productivity. Palaeogeography, Palaeoclimatology, Palaeoecology, 142(1-2), 51-84, https://doi.org/10.1016/S0031-0182(97)00146-6
    Details
    Publication Date: 2024-02-03
    Description: Sporomorphs and dinoflagellate cysts from site GIK16867 in the northern Angola Basin record the vegetation history of the West African forest during the last 700 ka in relation to changes in salinity and productivity of the eastern Gulf of Guinea. During most cool and cold periods, the Afromontane forest, rather than the open grass-rich dry forest, expanded to lower altitudes partly replacing the lowland rain forest of the borderlands east of the Gulf of Guinea. Except in Stage 3, when oceanic productivity was high during a period of decreased atmospheric circulation, high oceanic productivity is correlated to strong winds. The response of marine productivity in the course of a climatic cycle, however, is earlier than that of wind vigour and makes wind-stress-induced oceanic upwelling in the area less likely. Monsoon variation is well illustrated by the pollen record of increased lowland rain forest that is paired to the dinoflagellate cyst record of decreased salinity forced by increased precipitation and run-off.
    Keywords: Giant box corer; GIK/IfG; GIK16867-1; GIK16867-2; GIK16867-3; GKG; Gravity corer (Kiel type); Institute for Geosciences, Christian Albrechts University, Kiel; KOL; M6/5; Meteor (1986); off Gabun; Piston corer (Kiel type); SL
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Absolute abundances of dinoflagellate cysts in surface sediment samples from four sites: Lycopodium marker-grain method (2009)
    PANGAEA
    In:  Supplement to: Mertens, Kenneth Neil; Verhoeven, Koen; Verleye, Thomas; Louwye, Stephen; Amorim, Ana; Ribeiro, Sofia; Deaf, Amr S; Harding, Ian C; De Schepper, Stijn; González, Catalina; Kodrans-Nsiah, Monika; de Vernal, Anne; Henry, Maryse; Radi, Taoufik; Dybkjaer, Karen; Poulsen, Niels E; Feist-Burkhardt, Susanne; Chitolie, Jonah; Heilmann-Clausen, Claus; Londeix, Laurent; Turon, Jean-Louis; Marret, Fabienne; Matthiessen, Jens; McCarthy, Francine M G; Prasad, Vandana; Pospelova, Vera; Hughes, Jane E Kyffin; Riding, James B; Rochon, André; Sangiorgi, Francesca; Welters, Natasja; Sinclair, Natalie; Thun, Christian; Soliman, Ali; Van Nieuwenhove, Nicolas; Vink, Annemiek; Young, Martin (2009): Determining the absolute abundance of dinoflagellate cysts in recent marine sediments: The Lycopodium marker-grain method put to the test. Review of Palaeobotany and Palynology, Review of Palaeobotany and Palynology, 157(3-4), 238-252, https://doi.org/10.1016/j.revpalbo.2009.05.004
    Details
    Publication Date: 2024-02-02
    Description: Absolute abundances (concentrations) of dinoflagellate cysts are often determined through the addition of Lycopodium clavatum marker-grains as a spike to a sample before palynological processing. An inter-laboratory calibration exercise was set up in order to test the comparability of results obtained in different laboratories, each using its own preparation method. Each of the 23 laboratories received the same amount of homogenized splits of four Quaternary sediment samples. The samples originate from different localities and consisted of a variety of lithologies. Dinoflagellate cysts were extracted and counted, and relative and absolute abundances were calculated. The relative abundances proved to be fairly reproducible, notwithstanding a need for taxonomic calibration. By contrast, excessive loss of Lycopodium spores during sample preparation resulted in non-reproducibility of absolute abundances. Use of oxidation, KOH, warm acids, acetolysis, mesh sizes larger than 15 µm and long ultrasonication (〉 1 min) must be avoided to determine reproducible absolute abundances. The results of this work therefore indicate that the dinoflagellate cyst worker should make a choice between using the proposed standard method which circumvents critical steps, adding Lycopodium tablets at the end of the preparation and using an alternative method.
    Keywords: Benguela; Celtic_Sea; Center for Marine Environmental Sciences; GeoB; Geosciences, University of Bremen; MARUM; MUC; MultiCorer; North_Sea; North Sea; NW_Africa
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Absolute abundances of dinoflagellate cysts in surface sediment samples from NW Africa (2009)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: Center for Marine Environmental Sciences; GeoB; Geosciences, University of Bremen; Laboratory; Lycopodium marker-grain method; MARUM; MUC; MultiCorer; NW_Africa; Species
    Type: Dataset
    Format: text/tab-separated-values, 2041 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Absolute abundances of dinoflagellate cysts insurface sediment samples from the Benguela site (2009)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: Benguela; Center for Marine Environmental Sciences; GeoB; Geosciences, University of Bremen; Laboratory; Lycopodium marker-grain method; MARUM; Species
    Type: Dataset
    Format: text/tab-separated-values, 14353 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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