Ocean acidification as a multiple driver: how interactions between changing seawater carbonate parameters affect marine life

Hurd, Catriona L., Beardall, John, Comeau, Steeve, Cornwall, Christopher E., Havenhand, Jonathan N., Munday, Philip L., Parker, Laura M., Raven, John A., and McGraw, Christina M. (2020) Ocean acidification as a multiple driver: how interactions between changing seawater carbonate parameters affect marine life. Marine and Freshwater Research, 71 (3). pp. 263-274.

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Abstract

'Multiple drivers' (also termed 'multiple stressors') is the term used to describe the cumulative effects of multiple environmental factors on organisms or ecosystems. Here, we consider ocean acidification as a multiple driver because many inorganic carbon parameters are changing simultaneously, including total dissolved inorganic carbon, CO2, HCO3-, CO32-, H+ and CaCO3 saturation state. With the rapid expansion of ocean acidification research has come a greater understanding of the complexity and intricacies of how these simultaneous changes to the seawater carbonate system are affecting marine life. We start by clarifying key terms used by chemists and biologists to describe the changing seawater inorganic carbon system. Then, using key groups of non-calcifying (fish, seaweeds, diatoms) and calcifying (coralline algae, coccolithophores, corals, molluscs) organisms, we consider how various physiological processes are affected by different components of the carbonate system.

Item ID: 62083
Item Type: Article (Research - C1)
ISSN: 1448-6059
Keywords: coccolithophores, coralline algae, corals, diatoms, fertilisation, fish, macroalgae, molluscs, seaweed
Copyright Information: © CSIRO 2020.
Funders: The Royal Society of New Zealand Te Aparangi
Projects and Grants: Rutherford Discovery Fellowship RDF-VUW1701
Date Deposited: 11 May 2020 02:08
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050204 Environmental Impact Assessment @ 100%
SEO Codes: 96 ENVIRONMENT > 9603 Climate and Climate Change > 960305 Ecosystem Adaptation to Climate Change @ 100%
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