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Thiagarajan, Nivedita; Gerlach, Dana; Roberts, Mark L; Burke, Andrea; McNichol, Ann P; Jenkins, William J; Subhas, Adam V; Tresher, Ronald E; Adkins, Jess F (2013): Age determination of corals from the North Atlantic and the Tasman Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.822111, Supplement to: Thiagarajan, N et al. (2013): Movement of deep-sea coral populations on climatic timescales. Paleoceanography, 28(2), 227-236, https://doi.org/10.1002/palo.20023

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Abstract:
During the past 40,000 years, global climate has moved into and out of a full glacial period, with the deglaciation marked by several millennial-scale rapid climate change events. Here we investigate the ecological response of deep-sea coral communities to both glaciation and these rapid climate change events. We find that the deep-sea coral populations of Desmophyllum dianthus in both the North Atlantic and the Tasmanian seamounts expand at times of rapid climate change. However, during the more stable Last Glacial Maximum, the coral population globally retreats to a more restricted depth range. Holocene populations show regional patterns that provide some insight into what causes these dramatic changes in population structure. The most important factors are likely responses to climatically driven changes in productivity, [O2] and [CO3]2-.
Coverage:
Median Latitude: -21.374804 * Median Longitude: -170.738304 * South-bound Latitude: -47.000000 * West-bound Longitude: 144.000000 * North-bound Latitude: 39.653700 * East-bound Longitude: -60.455600
Date/Time Start: 2003-06-03T00:00:00 * Date/Time End: 2013-01-15T09:44:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

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Datasets listed in this publication series

  1. Thiagarajan, N; Gerlach, D; Roberts, ML et al. (2013): (Table S1) Age determination of corals from the New England Seamounts and Corner Rise. https://doi.org/10.1594/PANGAEA.822109
  2. Thiagarajan, N; Gerlach, D; Roberts, ML et al. (2013): (Table S2) Age determination of corals from the Tasmanian Seamounts. https://doi.org/10.1594/PANGAEA.822110