Boersma, Anne et al. (1998): Trophic models for the well-mixed and poorly mixed warm oceans across the Paleocene/Eocene epoch boundary

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Identifier:
2000-031863
georefid
Creator:
Boersma, Anne
Microclimates, Pomona, NY, United States
author
Premoli Silva, Isabella
New Mexico Museum of Natural History, United States
author
Hallock, Pamela
Woods Hole Oceanographic Institution, United States
author
Identification:
Trophic models for the well-mixed and poorly mixed warm oceans across the Paleocene/Eocene epoch boundary
1998
In: Aubry, Marie-Pierre (editor), Lucas, Spencer G. (editor), Berggren, William A. (editor), Late Paleocene-early Eocene climatic and biotic events in the marine and terrestrial records
Columbia University Press, New York, NY, United States
204-213
Models of the trophic resource continuum (TRC) predict aspects of nutrient cycling and oceanic circulation across the Paleocene/Eocene Epoch boundary. The abundance, diversity, and areal extent of oligotrophic planktonic foraminifera combined with the presence, but geographic compartmentalization of eutrophic planktonic foraminifera indicate the expansion of the TRC from late Paleocene to early Eocene time. Because development of oligotrophic habitats is maximal under poorly mixed conditions, we infer decreased intensity of oceanic mixing through the thermocline across the Paleocene/Eocene Epoch boundary.
English
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Stratigraphy; Cenozoic; Eocene; Foraminifera; habitat; Invertebrata; marine environment; microfossils; nutrients; ocean circulation; paleo-oceanography; Paleocene; Paleocene-Eocene boundary; Paleogene; planktonic taxa; Protista; sea-level changes; sea-surface temperature; species diversity; stratigraphic boundary; Tertiary; trophic analysis;
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