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Portilho-Ramos, Rodrigo Costa; Titschack, Jürgen; Wienberg, Claudia; Siccha, Michael; Yokoyama, Yusuke; Hebbeln, Dierk (2021): Major environmental drivers determining life and death of cold-water corals through time [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.932775

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Published: 2021-06-18 • DOI registered: 2022-04-13

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Abstract:
Cold-water corals are the engineers of complex ecosystems forming unique biodiversity hot spots in the deep sea. They are expected to suffer dramatically from future environmental changes in the oceans such as ocean warming, food depletion, deoxygenation and acidification. However, during the instrumental era no collapse of a cold-water coral ecosystem is documented, leaving quite some uncertainty on their sensitivity to these environmental stressors. Paleoceanographic reconstructions offer the opportunity to align the on- and offsets of cold-water coral proliferation to environmental parameters. Here, we present the synthesis of six case studies from the North Atlantic Ocean and the Mediterranean Sea revealing that food supply controlled by export production and turbulent hydrodynamics at the seabed exerted the strongest impact on coral vitality during the past 20,000 years, whereas locally low oxygen concentrations in the bottom-water can act as an additional relevant stressor. The fate of cold-water corals in a changing ocean will largely depend on how these oceanographic processes will be modulated. Future ocean deoxygenation may be compensated regionally where the food delivery and food quality are optimal.
Keyword(s):
benthic foraminiferal stable isotopes and Mg/Ca; bottom-water oxygenation; bottom-water temperature; climatic change; cold-water corals; Grain-size analyses; Mediterranean Sea; North Atlantic Ocean
Supplement to:
Portilho-Ramos, Rodrigo Costa; Titschack, Jürgen; Wienberg, Claudia; Siccha, Michael; Yokoyama, Yusuke; Hebbeln, Dierk (2022): Major environmental drivers determining life and death of cold-water corals through time. PLoS Biology, 20(5), e3001628, https://doi.org/10.1371/journal.pbio.3001628
Project(s):
A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe (ATLAS)
Integrated Assessment of Atlantic Marine Ecosystems in Space and Time (iAtlantic)
Funding:
Horizon 2020 (H2020), grant/award no. 678760: A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe
Horizon 2020 (H2020), grant/award no. 818123: Integrated Assessment of Atlantic Marine Ecosystems in Space and Time
Coverage:
Median Latitude: 32.927459 * Median Longitude: -16.894964 * South-bound Latitude: 18.956967 * West-bound Longitude: -87.150050 * North-bound Latitude: 52.156317 * East-bound Longitude: -2.553667
Date/Time Start: 2000-09-18T10:57:00 * Date/Time End: 2014-02-28T11:58:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
11 datasets

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Datasets listed in this bundled publication

  1. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Benthic foraminifera accumulation rate of sediment core GeoB1813-1. https://doi.org/10.1594/PANGAEA.932737
  2. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Age determination of sediment core GeoB6718-2. https://doi.org/10.1594/PANGAEA.932760
  3. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Benthic foraminiferal data of sediment core GeoB6718-2, Porcupine Seabight. https://doi.org/10.1594/PANGAEA.932719
  4. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Stable oxygen isotopes measured on Uvigerina sp. of sediment core GeoB9064-1. https://doi.org/10.1594/PANGAEA.932703
  5. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Benthic foraminiferal data of sediment core GeoB9064-1, Gulf of Cadiz. https://doi.org/10.1594/PANGAEA.932720
  6. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Benthic foraminiferal data of sediment core GeoB13731-1, East Melilla. https://doi.org/10.1594/PANGAEA.932746
  7. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Age determination of sediment core GeoB14885-1. https://doi.org/10.1594/PANGAEA.932759
  8. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Stable oxygen isotopes measured on Planulina ariminensis of sediment core GeoB14885-1. https://doi.org/10.1594/PANGAEA.932701
  9. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Benthic foraminiferal data of sediment core GeoB14885-1, Mauritania Margin. https://doi.org/10.1594/PANGAEA.932727
  10. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Benthic foraminiferal data of sediment core GeoB16320-2, Campeche Province. https://doi.org/10.1594/PANGAEA.932716
  11. Portilho-Ramos, RC; Titschack, J; Wienberg, C et al. (2021): Benthic foraminiferal data of sediment core GeoB18131-1, West Melilla. https://doi.org/10.1594/PANGAEA.932731