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Production of Benthic Foraminifera in Three East Pacific Oxygen Minima

Fred B. Phleger and Andrew Soutar
Micropaleontology
Vol. 19, No. 1 (Jan., 1973), pp. 110-115
DOI: 10.2307/1484973
Stable URL: http://www.jstor.org/stable/1484973
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Production of Benthic Foraminifera in Three East Pacific Oxygen Minima
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Abstract

Large standing stocks of benthic foraminifera occur in the intense and shallow oxygen minimum of each of three areas in the eastern Pacific. These populations are characterized by high dominance, low diversity, and relatively small, thin-shelled specimens. Most of the calcareous tests produced are preserved in the anaerobic sediments associated with the oxygen minima because of apparent carbonate saturation of interstitial water. Oxygen is not a limiting ecological factor for benthic foraminifera in these low-oxygen environments.

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