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Datasets with PANGAEA technical keyword @tahiti310

Mostrando recursos 1 - 20 de 371

  1. Microbialites and lipid biomarker from coral reefs off the volcanic islands Tahiti and Vanuatu and from the nonvolcanic sites Belize and the Maldives

    Heindel, Katrin; Birgel, Daniel; Brunner, Benjamin; Thiel, Volker; Westphal, Hildegard; Gischler, Eberhard; Ziegenbalg, Simone B; Cabioch, Guy; Sjovall, Peter; Peckmann, Jörn Ludwig
    The occurrence of microbialites in post-glacial coral reefs has been interpreted to reflect an ecosystem response to environmental change. The greater thickness of microbialites in reefs with a volcanic hinterland compared to thinner microbial crusts in reefs with a non-volcanic hinterland led to the suggestion that fertilization of the reefal environment by chemical weathering of volcanic rocks stimulated primary productivity and microbialite formation. Using a molecular and isotopic approach on reef-microbialites from Tahiti (Pacific Ocean), it was recently shown that sulfate-reducing bacteria favored the formation of microbial carbonates. To test if similar mechanisms induced microbialite formation in other reefs as...

  2. (Table 2) Contents of lipid biomarkers derived from sulfate-reducing bacteria and their compound-specific carbon isotopic values

    Heindel, Katrin; Birgel, Daniel; Brunner, Benjamin; Thiel, Volker; Westphal, Hildegard; Gischler, Eberhard; Ziegenbalg, Simone B; Cabioch, Guy; Sjovall, Peter; Peckmann, Jörn Ludwig

  3. (Table 1) Microbialites from coral reefs off the volcanic islands Tahiti and Vanuatu and from the nonvolcanic sites Belize and the Maldives

    Heindel, Katrin; Birgel, Daniel; Brunner, Benjamin; Thiel, Volker; Westphal, Hildegard; Gischler, Eberhard; Ziegenbalg, Simone B; Cabioch, Guy; Sjovall, Peter; Peckmann, Jörn Ludwig

  4. Calcium isotope fractionation in cultured, modern and fossil scleractinian coral skeleton

    Pretet, Chloé; Samankassou, Elias; Felis, Thomas; Reynaud, Stéphanie; Böhm, Florian; Eisenhauer, Anton; Ferrier-Pagès, Christine; Gattuso, Jean-Pierre; Camoin, Gilbert
    The present study investigates the influence of environmental (temperature, salinity) and biological (growth rate, inter-generic variations) parameters on calcium isotope fractionation (d44/40Ca) in scleractinian coral skeleton to better constrain this record. Previous studies focused on the d44/40Ca record in different marine organisms to reconstruct seawater composition or temperature, but only few studies investigated corals. This study presents measurements performed on modern corals from natural environments (from the Maldives for modern and from Tahiti for fossil corals) as well as from laboratory cultures (Centre Scientifique de Monaco). Measurements on Porites sp., Acropora sp., Montipora verrucosa and Stylophora pistillata allow constraining inter-generic variability. Our...

  5. Description of lithologic section units of Hole 310-M0026A

    Expedition 310 Scientists

  6. Description of lithologic section units of Hole 310-M0025B

    Expedition 310 Scientists

  7. Description of lithologic section units of Hole 310-M0025A

    Expedition 310 Scientists

  8. Description of lithologic section units of Hole 310-M0024A

    Expedition 310 Scientists

  9. Description of lithologic section units of Hole 310-M0023B

    Expedition 310 Scientists

  10. Description of lithologic section units of Hole 310-M0023A

    Expedition 310 Scientists

  11. Description of lithologic section units of Hole 310-M0022A

    Expedition 310 Scientists

  12. Description of lithologic section units of Hole 310-M0021B

    Expedition 310 Scientists

  13. Description of lithologic section units of Hole 310-M0021A

    Expedition 310 Scientists

  14. Description of lithologic section units of Hole 310-M0020A

    Expedition 310 Scientists

  15. Description of lithologic section units of Hole 310-M0019A

    Expedition 310 Scientists

  16. Description of lithologic section units of Hole 310-M0018A

    Expedition 310 Scientists

  17. Description of lithologic section units of Hole 310-M0017A

    Expedition 310 Scientists

  18. Description of lithologic section units of Hole 310-M0016B

    Expedition 310 Scientists

  19. Description of lithologic section units of Hole 310-M0016A

    Expedition 310 Scientists

  20. Description of lithologic section units of Hole 310-M0015B

    Expedition 310 Scientists

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