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GEOREF RECORD

Combined impacts of ocean acidification and dysoxia on survival and growth of four agglutinating Foraminifera

Inge van Dijk, Joan M. Bernhard, Lennart J. de Nooijer, Gernot Nehrke, Johannes C. Wit and Gert-Jan Reichart
Combined impacts of ocean acidification and dysoxia on survival and growth of four agglutinating Foraminifera
Journal of Foraminiferal Research (July 2017) 47 (3): 294-303

Abstract

Agglutinated foraminifera create a shell by assembling particles from the sediment and comprise a significant part of the foraminiferal fauna. Despite their high abundance and diversity, their response to environmental perturbations and climate change is relatively poorly studied. Here we present results from a culture experiment with four different species of agglutinating foraminifera incubated in artificial substrate and exposed to different pCO (sub 2) conditions, in either dysoxic or oxic settings. We observed species-specific reactions (i.e., reduced or increased chamber formation rates) to dysoxia and/or acidification. While chamber addition and/or survival rates of Miliammina fusca and Trochammina inflata were negatively impacted by either dysoxia or acidification, respectively, Textularia tenuissima and Spiroplectammina biformis had the highest survivorship and chamber addition rates with combined high pCO (sub 2) (2000 ppm) and low O (sub 2) (0.7 ml/l) conditions. The differential response of these species indicates that not all agglutinating foraminifera are well-adapted to conditions induced by predicted climate change, which may result in a shift in foraminiferal community composition.


ISSN: 0096-1191
EISSN: 1943-264X
Coden: JFARAH
Serial Title: Journal of Foraminiferal Research
Serial Volume: 47
Serial Issue: 3
Title: Combined impacts of ocean acidification and dysoxia on survival and growth of four agglutinating Foraminifera
Affiliation: Royal Institute for Sea Research, Department of Ocean Systems, Netherlands
Pages: 294-303
Published: 201707
Text Language: English
Publisher: Cushman Foundation for Foraminiferal Research, Ithaca, NY, United States
References: 60
Accession Number: 2017-063015
Categories: Invertebrate paleontology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 3 tables
N41°00'00" - N41°34'00", W70°31'00" - W70°00'00"
Secondary Affiliation: Woods Hole Oceanographic Institution, USA, United StatesAlfred Wegener Institute Helmholtz Centre for Polar and Marine Research, DEU, Germany
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, Cushman Foundation for Foraminiferal Research. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 201733
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