A benthic foraminiferal proxy of pulsed organic matter paleofluxes

Author(s): Smart, C. W.; King, S. C.; Gooday, A. J.; Murray, J. W.; Thomas, E.
Author Affiliation(s): Primary:
University of Southampton, Department of Geology, Southampton, United Kingdom
Other:
Institute of Oceanographic Sciences, United Kingdom
Yale University, United States
Volume Title: Marine Micropaleontology
Source: Marine Micropaleontology, 23(2), p.89-99. Publisher: Elsevier, Amsterdam, Netherlands. ISSN: 0377-8398 CODEN: MAMIDH
Note: In English. 61 refs.; illus. incl. sketch map
Summary: In the temperate open ocean of the modern northeast Atlantic, the spring bloom of phytoplankton leads to a seasonal pulse of detrital organic material (phytodetritus) to the ocean floor. Opportunistic benthic foraminifera rapidly colonise this food resource, producing large numbers of individuals whose tests are ultimately added to the sediment. One of these taxa, Epistominella exigua, shows periodic peaks in abundance in the fossil record at many open ocean sites. Previously, such peaks have been commonly interpreted to result from changes in physicochemical properties of bottom water mass and thus deep-sea circulation. The main purpose of this paper is to propose that E.exigua may be used as a proxy of pulsed organic matter inputs to the deep ocean and therefore as an indicator of relative changes in productivity.
Year of Publication: 1994
Research Program: DSDP Deep Sea Drilling Project
IPOD International Phase of Ocean Drilling
ODP Ocean Drilling Program
Key Words: 12 Stratigraphy, Historical Geology and Paleoecology; Assemblages; Atlantic Ocean; Benthic taxa; Cenozoic; DSDP Site 400; DSDP Site 518; DSDP Site 529; DSDP Site 563; DSDP Site 572; DSDP Site 573; Deep Sea Drilling Project; Deep-sea sedimentation; Detritus; Ecology; Epistominella exigua; Equatorial Pacific; Foraminifera; Holocene; IPOD; Invertebrata; Isotope ratios; Isotopes; Leg 108; Leg 48; Leg 72; Leg 74; Leg 82; Leg 85; Marine sedimentation; Microfossils; Miocene; Modern; Neogene; North Atlantic; Northeast Atlantic; O-18/O-16; ODP Site 667; Ocean Drilling Program; Organic compounds; Organic materials; Oxygen; Pacific Ocean; Phytoplankton; Plankton; Productivity; Protista; Quaternary; Sedimentation; Stable isotopes; Temperate environment; Tertiary; Time factor
Coordinates: S012325 N211954 W0114421 W0231630
N470000 N570000 W0080000 W0240000
S302000 S261000 W0351500 W0381000
S301000 S280000 E0031000 E0014500
N330829 N385623 W0323334 W0434603
N002954 N055100 W1135030 W1332010
Record ID: 1994025232
Copyright Information: GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from CAPCAS, Elsevier Scientific Publishers, Amsterdam, Netherlands
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100 1 |a Huang Jian  |u University of Science and Technology of China, School of Earth and Space Sciences, Hefei 
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500 |a Affiliation: China University of Geosciences, State Key Laboratory of Geological Processes and Mineral Resources; ; CHN; China 
500 |a Affiliation: University of Houston, Department of Earth and Atmospheric Sciences; ; USA; United States 
500 |a Source note: varies [V.M. Goldschmidt Conference - Program and Abstracts, Vol.25, p.1334; Goldschmidt conference 2015, Prague, Czech Republic, Aug. 16-21, 2015. Publisher: Goldschmidt Conference,], International. ISSN: 1042-7287 
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