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Sibert, Elizabeth C; Zill, Michelle E; Frigyik, Ella T; Norris, Richard D (2020): No state change in pelagic fish production and biodiversity during the Eocene-Oligocene Transition [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.910379, Supplement to: Sibert, EC et al. (2020): No state change in pelagic fish production and biodiversity during the Eocene–Oligocene transition. Nature Geoscience, 13(3), 238-242, https://doi.org/10.1038/s41561-020-0540-2

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Abstract:
Supplementary datasets of ichthyolith accumulation rates, as well as updated accumulation rate calculations for silica and barium from published literature, compiled for the following manuscript on the GTS2012 age model:
The Eocene-Oligocene (E/O) boundary ~33.9 million years ago, has been described as a state change in the Earth system, marked by the permanent glaciation of Antarctica and a proposed increase in oceanic productivity. Here we quantified the response of fish production and biodiversity to this event using microfossil fish teeth (ichthyoliths) in seven deep-sea cores. Ichthyolith Accumulation Rate (IAR, a proxy for fish biomass production) shows no synchronous trends across the E/O. IAR in the Southern Ocean and Pacific Gyre sites is an order of magnitude lower than the equatorial and Atlantic sites, demonstrating that the Southern Ocean was not a highly productive ecosystem for fish before or after the E/O. Further, tooth morphotype diversity and assemblage composition remained stable across the interval, indicating little change in the biodiversity or ecological role of fish. While the E/O boundary was a significant global climate change event, its impact on pelagic fish was relatively muted. Our results support recent findings of whale and krill diversification which suggest that the pelagic ecosystem restructuring commonly attributed to the E/O transition likely occurred much later, in the late Oligocene or Miocene.
Keyword(s):
ichthyolith; ichthyolith accumulation rate; ichthyoliths
Other version:
No state change in pelagic fish production and biodiversity during the Eocene-Oligocene Transition - link to excel file
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: -23.468712 * Median Longitude: -45.340866 * South-bound Latitude: -64.517000 * West-bound Longitude: -168.240000 * North-bound Latitude: 44.689700 * East-bound Longitude: 80.595000
Date/Time Start: 1980-05-06T00:00:00 * Date/Time End: 2001-11-08T00:00:00
Event(s):
73-522 * Latitude: -26.114000 * Longitude: -5.129700 * Date/Time: 1980-05-06T00:00:00 * Elevation: -4441.0 m * Penetration: 148.7 m * Recovery: 137.6 m * Location: South Atlantic/PLATEAU * Campaign: Leg73 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 36 cores; 143.8 m cored; 5 m drilled; 95.7 % recovery
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
19 datasets

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Datasets listed in this publication series

  1. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S02) Age model of DSDP Hole 73-522. https://doi.org/10.1594/PANGAEA.910378
  2. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S01) Ichthyolith abundance in DSDP Hole 73-522. https://doi.org/10.1594/PANGAEA.910376
  3. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S04) Age Model, barium accumulation, and silica accumulation in DSDP Hole 91-596. https://doi.org/10.1594/PANGAEA.910462
  4. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S03) Ichthyolith abundance in Hole 91-596. https://doi.org/10.1594/PANGAEA.910460
  5. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S19) Tooth objects and their morphological ID in DSDP Hole 91-596. https://doi.org/10.1594/PANGAEA.910685
  6. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S06) Age model of ODP Site 113-689. https://doi.org/10.1594/PANGAEA.910669
  7. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S07) Barium and Silicia of ODP Hole 113-689B. https://doi.org/10.1594/PANGAEA.910672
  8. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S05) Ichthyolith abundance in ODP Hole 113-689B. https://doi.org/10.1594/PANGAEA.910668
  9. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S20) Tooth objects and their morphological ID in ODP Hole 113-689B. https://doi.org/10.1594/PANGAEA.910686
  10. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S10) Silicia in ODP Hole 119-744A. https://doi.org/10.1594/PANGAEA.910676
  11. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S11) Age model of ODP Hole 119-744B. https://doi.org/10.1594/PANGAEA.910677
  12. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S09) Age model of ODP Site 120-748. https://doi.org/10.1594/PANGAEA.910675
  13. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S08) Ichthyolith abundance in ODP Hole 120-748B. https://doi.org/10.1594/PANGAEA.910674
  14. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S12) Ichthyolith abundance in ODP Hole 145-886C. https://doi.org/10.1594/PANGAEA.910678
  15. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S14) Age model of ODP Site 199-1217. https://doi.org/10.1594/PANGAEA.910681
  16. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S15) Barium and Silica accumulation from ODP Site 199-1217. https://doi.org/10.1594/PANGAEA.910682
  17. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S13) Ichthyolith abundance in ODP Site 199-1217. https://doi.org/10.1594/PANGAEA.910680
  18. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S17) Age model of IODP Site 342-U1406. https://doi.org/10.1594/PANGAEA.910684
  19. Sibert, EC; Zill, ME; Frigyik, ET et al. (2020): (Table S16) Ichthyolith abundance in IODP Site 342-U1406. https://doi.org/10.1594/PANGAEA.910683