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  • PANGAEA  (1,495)
  • Blackwell Publishing Ltd
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  • 1
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    Geochemical analysis and porewater analysis of sediment profile at station M57/3_203 from Walvis Ridge
    PANGAEA
    In:  Supplement to: Schulz, Heide N; Schulz, Horst D (2005): Large Sulfur Bacteria and the Formation of Phosphorite. Science, 307(5708), 416-418, https://doi.org/10.1126/science.1103096
    Details
    Publication Date: 2023-05-12
    Description: Phosphorite deposits in marine sediments are a long-term sink for an essential nutrient, phosphorus. Here we show that apatite abundance in sediments on the Namibian shelf correlates with the abundance and activity of the giant sulfur bacterium Thiomargarita namibiensis, which suggests that sulfur bacteria drive phosphogenesis. Sediments populated by Thiomargarita showed sharp peaks of pore water phosphate (〈=300 micromolar) and massive phosphorite accumulations (〉=50 grams of phosphorus per kilogram). Laboratory experiments revealed that under anoxic conditions, Thiomargarita released enough phosphate to account for the precipitation of hydroxyapatite observed in the environment.
    Keywords: Center for Marine Environmental Sciences; MARUM
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 2
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    Planktic foraminiferal flux and faunal composition of sediment trap L1_K276 in the northeastern Atlantic (2009)
    PANGAEA
    In:  Supplement to: Storz, David; Schulz, Hartmut; Waniek, Joanna J; Schulz-Bull, Detlef; Kucera, Michal (2009): Seasonal and interannual variability of the planktic foraminiferal flux in the vicinity of the Azores Current. Deep Sea Research Part I: Oceanographic Research Papers, 56(1), 107-124, https://doi.org/10.1016/j.dsr.2008.08.009
    Details
    Publication Date: 2023-01-13
    Description: Planktic foraminiferal (PF) flux and faunal composition from three sediment trap time series of 2002-2004 in the northeastern Atlantic show pronounced year-to-year variations despite similar sea surface temperature (SST). The averaged fauna of the in 2002/2003 is dominated by the species Globigerinita glutinata, whereas in 2003/2004 the averaged fauna is dominated by Globigerinoides ruber. We show that PF species respond primarily to productivity, triggered by the seasonal dynamics of vertical stratification of the upper water column. Multivariate statistical analysis reveals three distinct species groups, linked to bulk particle flux, to chlorophyll concentrations and to summer/fall oligotrophy with high SST and stratification. We speculate that the distinct nutrition strategies of strictly asymbiontic, facultatively symbiontic, and symbiontic species may play a key role in explaining their abundances and temporal succession. Advection of water masses within the Azores Current and species expatriation result in a highly diverse PF assemblage. The Azores Frontal Zone may have influenced the trap site in 2002, indicated by subsurface water cooling, by highest PF flux and high flux of the deep-dwelling species Globorotalia scitula. Similarity analyses with core top samples from the global ocean including 746 sites from the Atlantic suggest that the trap faunas have only poor analogs in the surface sediments. These differences have to be taken into account when estimating past oceanic properties from sediment PF data in the eastern subtropical North Atlantic.
    Keywords: GeoTü; L1_K276; NE Atlantic - Azores Front; Paleoceanography at Tübingen University; Trap, sediment; TRAPS
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 3
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    (Table A a) Relative contributions of planktic foraminiferal species in sediment trap series L1/K276-22 at 2000 m water depth (2009)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Keywords: Beella digitata; Berggrenia pumilio; Calculated; Counting 〉125 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Equitability; Foraminifera, planktic; Foraminifera, planktic indeterminata; GeoTü; Globigerina bulloides; Globigerina falconensis; Globigerinella siphonifera; Globigerinita glutinata; Globigerinoides conglobatus; Globigerinoides ruber pink; Globigerinoides ruber white; Globigerinoides sacculifer; Globigerinoides sacculifer sacculifer; Globorotalia crassaformis; Globorotalia hirsuta; Globorotalia inflata; Globorotalia scitula; Globorotalia truncatulinoides dextral; Globorotalia truncatulinoides sinistral; Globoturborotalita rubescens pink; Globoturborotalita rubescens white; Globoturborotalita tenella; Hastigerina pelagica; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei; Neogloboquadrina incompta dextral; Neogloboquadrina incompta sinistral; Orbulina universa; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata; Sample code/label; Shannon Diversity Index; Trap, sediment; TRAPS; Turborotalia quinqueloba; Turborotalita humilis
    Type: Dataset
    Format: text/tab-separated-values, 664 data points
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  • 4
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    (Table B a) Relative contributions of planktic foraminiferal species in sediment trap series L1/K276-22 at 3000 m water depth (2009)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Keywords: Beella digitata; Berggrenia pumilio; Calculated; Counting 〉125 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Equitability; Foraminifera, planktic; Foraminifera, planktic indeterminata; GeoTü; Globigerina bulloides; Globigerina falconensis; Globigerinella siphonifera; Globigerinita glutinata; Globigerinoides conglobatus; Globigerinoides ruber pink; Globigerinoides ruber white; Globigerinoides sacculifer; Globigerinoides sacculifer sacculifer; Globorotalia crassaformis; Globorotalia hirsuta; Globorotalia inflata; Globorotalia scitula; Globorotalia truncatulinoides dextral; Globorotalia truncatulinoides sinistral; Globoturborotalita rubescens pink; Globoturborotalita rubescens white; Globoturborotalita tenella; Hastigerina pelagica; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei; Neogloboquadrina incompta dextral; Neogloboquadrina incompta sinistral; Orbulina universa; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata; Sample code/label; Shannon Diversity Index; Trap, sediment; TRAPS; Turborotalia quinqueloba; Turborotalita humilis
    Type: Dataset
    Format: text/tab-separated-values, 664 data points
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    DATA PANGAEA
  • 5
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    (Table A b) Flux of planktic foraminiferal species in sediment trap series L1/K276-22 at 2000 m water depth (2009)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Keywords: Beella digitata, flux; Berggrenia pumilio, flux; Counting 〉125 µm fraction; Counting 〉63 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Foraminifera, planktic, flux; GeoTü; Globigerina bulloides, flux; Globigerina falconensis, flux; Globigerinella siphonifera, flux; Globigerinita glutinata, flux; Globigerinoides conglobatus, flux; Globigerinoides ruber pink, flux; Globigerinoides ruber white, flux; Globigerinoides sacculifer, flux; Globigerinoides sacculifer sacculifer, flux; Globorotalia crassaformis, flux; Globorotalia hirsuta, flux; Globorotalia inflata, flux; Globorotalia scitula, flux; Globorotalia truncatulinoides dextral, flux; Globorotalia truncatulinoides sinistral, flux; Globoturborotalita rubescens pink, flux; Globoturborotalita rubescens white, flux; Globoturborotalita tenella, flux; Hastigerina pelagica, flux; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei, flux; Neogloboquadrina incompta dextral, flux; Neogloboquadrina incompta sinistral, flux; Orbulina universa, flux; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata, flux; Sample code/label; Trap, sediment; TRAPS; Turborotalia quinqueloba, flux; Turborotalita humilis, flux
    Type: Dataset
    Format: text/tab-separated-values, 594 data points
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  • 6
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    (Table C b) Flux of planktic foraminiferal species in sediment trap series L1/K276-23 at 3000 m water depth (2009)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Keywords: Beella digitata, flux; Counting 〉125 µm fraction; Counting 〉63 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Foraminifera, planktic, flux; GeoTü; Globigerina bulloides, flux; Globigerina falconensis, flux; Globigerinella siphonifera, flux; Globigerinita glutinata, flux; Globigerinoides conglobatus, flux; Globigerinoides ruber pink, flux; Globigerinoides ruber white, flux; Globigerinoides sacculifer, flux; Globigerinoides sacculifer sacculifer, flux; Globorotalia crassaformis, flux; Globorotalia hirsuta, flux; Globorotalia inflata, flux; Globorotalia scitula, flux; Globorotalia truncatulinoides dextral, flux; Globorotalia truncatulinoides sinistral, flux; Globoturborotalita rubescens pink, flux; Globoturborotalita rubescens white, flux; Globoturborotalita tenella, flux; Hastigerina pelagica, flux; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei, flux; Neogloboquadrina incompta dextral, flux; Neogloboquadrina incompta sinistral, flux; Orbulina universa, flux; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata, flux; Sample code/label; Trap, sediment; TRAPS; Turborotalia quinqueloba, flux; Turborotalita humilis, flux
    Type: Dataset
    Format: text/tab-separated-values, 544 data points
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    DATA PANGAEA
  • 7
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    (Table C a) Relative contributions of planktic foraminiferal species in sediment trap series L1/K276-23 at 3000 m water depth (2009)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Keywords: Beella digitata; Calculated; Counting 〉125 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Equitability; Foraminifera, planktic; Foraminifera, planktic indeterminata; GeoTü; Globigerina bulloides; Globigerina falconensis; Globigerinella siphonifera; Globigerinita glutinata; Globigerinoides conglobatus; Globigerinoides ruber pink; Globigerinoides ruber white; Globigerinoides sacculifer; Globigerinoides sacculifer sacculifer; Globorotalia crassaformis; Globorotalia hirsuta; Globorotalia inflata; Globorotalia scitula; Globorotalia truncatulinoides dextral; Globorotalia truncatulinoides sinistral; Globoturborotalita rubescens pink; Globoturborotalita rubescens white; Globoturborotalita tenella; Hastigerina pelagica; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei; Neogloboquadrina incompta dextral; Neogloboquadrina incompta sinistral; Orbulina universa; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata; Sample code/label; Shannon Diversity Index; Trap, sediment; TRAPS; Turborotalia quinqueloba; Turborotalita humilis
    Type: Dataset
    Format: text/tab-separated-values, 611 data points
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    DATA PANGAEA
  • 8
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    (Table B b) Flux of planktic foraminiferal species in sediment trap series L1/K276-22 at 3000 m water depth (2009)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Keywords: Beella digitata, flux; Berggrenia pumilio, flux; Counting 〉125 µm fraction; Counting 〉63 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Foraminifera, planktic, flux; GeoTü; Globigerina bulloides, flux; Globigerina falconensis, flux; Globigerinella siphonifera, flux; Globigerinita glutinata, flux; Globigerinoides conglobatus, flux; Globigerinoides ruber pink, flux; Globigerinoides ruber white, flux; Globigerinoides sacculifer, flux; Globigerinoides sacculifer sacculifer, flux; Globorotalia crassaformis, flux; Globorotalia hirsuta, flux; Globorotalia inflata, flux; Globorotalia scitula, flux; Globorotalia truncatulinoides dextral, flux; Globorotalia truncatulinoides sinistral, flux; Globoturborotalita rubescens pink, flux; Globoturborotalita rubescens white, flux; Globoturborotalita tenella, flux; Hastigerina pelagica, flux; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei, flux; Neogloboquadrina incompta dextral, flux; Neogloboquadrina incompta sinistral, flux; Orbulina universa, flux; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata, flux; Sample code/label; Trap, sediment; TRAPS; Turborotalia quinqueloba, flux; Turborotalita humilis, flux
    Type: Dataset
    Format: text/tab-separated-values, 594 data points
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  • 9
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    Geochemical analysis of sediment profile at station M57/3_203 from Walvis Ridge (2005)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: Aluminium; Arsenic; Barium; Bromine; Cadmium; Calcium; Chlorine; Chromium; Comment; Copper; DEPTH, sediment/rock; Gallium; Iron; Lead; M57/3; M57/3_203; Magnesium; Manganese; Meteor (1986); MUC; MultiCorer; Nickel; Phosphorus; Potassium; Rubidium; Selenium; Silicon; Strontium; Sulfur, total; Thallium; Thorium; Titanium; Uranium; Vanadium; Walvis Ridge; X-ray fluorescence (XRF); Yttrium; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 1620 data points
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  • 10
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    Phosphate, fluoride and cell abundance of bacteria Thiomargarita namibiensis in porewater of sediment profile M57/3_203 from Walvis Ridge (2005)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: Comment; DEPTH, sediment/rock; Fluoride; M57/3; M57/3_203; Meteor (1986); MUC; MultiCorer; Phosphate; Thiomargarita namibiensis cells; Walvis Ridge
    Type: Dataset
    Format: text/tab-separated-values, 182 data points
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