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The Impact of Ocean Acidification on the Functional Morphology of Foraminifera

The Impact of Ocean Acidification on the Functional Morphology of Foraminifera
The Impact of Ocean Acidification on the Functional Morphology of Foraminifera
Culturing experiments were performed on sediment samples from the Ythan Estuary, N. E. Scotland, to assess the impacts of ocean acidification on test surface ornamentation in the benthic foraminifer Haynesina germanica. Specimens were cultured for 36 weeks at either 380, 750 or 1000 ppm atmospheric CO2. Analysis of the test surface using SEM imaging reveals sensitivity of functionally important ornamentation associated with feeding to changing seawater CO2 levels. Specimens incubated at high CO2 levels displayed evidence of shell dissolution, a significant reduction and deformation of ornamentation. It is clear that these calcifying organisms are likely to be vulnerable to ocean acidification. A reduction in functionally important ornamentation could lead to a reduction in feeding efficiency with consequent impacts on this organism's survival and fitness.
1932-6203
e83118
Khanna, Nikki
5a49f90c-231d-45ba-94c5-f83ffe224438
Godbold, Jasmin A.
df6da569-e7ea-43ca-8a95-a563829fb88a
Austin, William E.N.
bf002214-48dc-465d-b7d2-0c3f9ffa11c3
Paterson, David M.
cb3a1995-cd31-46b5-970c-71d0f571d63b
Khanna, Nikki
5a49f90c-231d-45ba-94c5-f83ffe224438
Godbold, Jasmin A.
df6da569-e7ea-43ca-8a95-a563829fb88a
Austin, William E.N.
bf002214-48dc-465d-b7d2-0c3f9ffa11c3
Paterson, David M.
cb3a1995-cd31-46b5-970c-71d0f571d63b

Khanna, Nikki, Godbold, Jasmin A., Austin, William E.N. and Paterson, David M. (2013) The Impact of Ocean Acidification on the Functional Morphology of Foraminifera. PLoS ONE, 8 (12), e83118. (doi:10.1371/journal.pone.0083118).

Record type: Article

Abstract

Culturing experiments were performed on sediment samples from the Ythan Estuary, N. E. Scotland, to assess the impacts of ocean acidification on test surface ornamentation in the benthic foraminifer Haynesina germanica. Specimens were cultured for 36 weeks at either 380, 750 or 1000 ppm atmospheric CO2. Analysis of the test surface using SEM imaging reveals sensitivity of functionally important ornamentation associated with feeding to changing seawater CO2 levels. Specimens incubated at high CO2 levels displayed evidence of shell dissolution, a significant reduction and deformation of ornamentation. It is clear that these calcifying organisms are likely to be vulnerable to ocean acidification. A reduction in functionally important ornamentation could lead to a reduction in feeding efficiency with consequent impacts on this organism's survival and fitness.

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Published date: 17 December 2013
Organisations: Ocean and Earth Science

Identifiers

Local EPrints ID: 360791
URI: http://eprints.soton.ac.uk/id/eprint/360791
ISSN: 1932-6203
PURE UUID: a78c7114-8a73-400d-800e-32535111ec2d
ORCID for Jasmin A. Godbold: ORCID iD orcid.org/0000-0001-5558-8188

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Date deposited: 23 Dec 2013 09:46
Last modified: 28 Apr 2022 02:06

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Contributors

Author: Nikki Khanna
Author: William E.N. Austin
Author: David M. Paterson

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