Ocean deoxygenation and zooplankton: Very small oxygen differences matter

Wishner, K. F., Seibel, B. A., Roman, C., Deutsch, C., Outram, D., Shaw, C. T., Birk, M. A., Mislan, K. A. S., Adams, T. J., Moore, D., Riley, S. (December 2018) Ocean deoxygenation and zooplankton: Very small oxygen differences matter. Sci Adv, 4 (12). eaau5180. ISSN 2375-2548

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URL: https://www.ncbi.nlm.nih.gov/pubmed/30585291
DOI: 10.1126/sciadv.aau5180

Abstract

Oxygen minimum zones (OMZs), large midwater regions of very low oxygen, are expected to expand as a result of climate change. While oxygen is known to be important in structuring midwater ecosystems, a precise and mechanistic understanding of the effects of oxygen on zooplankton is lacking. Zooplankton are important components of midwater food webs and biogeochemical cycles. Here, we show that, in the eastern tropical North Pacific OMZ, previously undescribed submesoscale oxygen variability has a direct effect on the distribution of many major zooplankton groups. Despite extraordinary hypoxia tolerance, many zooplankton live near their physiological limits and respond to slight (</=1%) changes in oxygen. Ocean oxygen loss (deoxygenation) may, thus, elicit major unanticipated changes to midwater ecosystem structure and function.

Item Type: Paper
Subjects: organs, tissues, organelles, cell types and functions > organelles, types and functions > hypoxia
CSHL Authors:
Communities: CSHL Library and Archives
Depositing User: Matthew Dunn
Date: 19 December 2018
Date Deposited: 07 Jan 2019 16:24
Last Modified: 07 Jan 2019 16:24
PMCID: PMC6300398
Related URLs:
URI: http://repository.cshl.edu/id/eprint/37535

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