Ocean acidification alters the response of intertidal snails to a key sea star predator

Organism-level effects of ocean acidification (OA) are well recognized. Less understood are OA's consequences for ecological species interactions. Here, we examine a behaviourally mediated predator–prey interaction within the rocky intertidal zone of the temperate eastern Pacific Ocean, using i...

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Published in:Proceedings of the Royal Society B: Biological Sciences
Main Authors: Jellison, Brittany M., Ninokawa, Aaron T., Hill, Tessa M., Sanford, Eric, Gaylord, Brian
Other Authors: National Science Foundation, California Sea Grant, University of California
Format: Article in Journal/Newspaper
Language:English
Published: The Royal Society 2016
Subjects:
Online Access:http://dx.doi.org/10.1098/rspb.2016.0890
https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2016.0890
https://royalsocietypublishing.org/doi/full-xml/10.1098/rspb.2016.0890
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spelling crroyalsociety:10.1098/rspb.2016.0890 2024-09-15T18:27:54+00:00 Ocean acidification alters the response of intertidal snails to a key sea star predator Jellison, Brittany M. Ninokawa, Aaron T. Hill, Tessa M. Sanford, Eric Gaylord, Brian National Science Foundation California Sea Grant, University of California 2016 http://dx.doi.org/10.1098/rspb.2016.0890 https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2016.0890 https://royalsocietypublishing.org/doi/full-xml/10.1098/rspb.2016.0890 en eng The Royal Society https://royalsociety.org/journals/ethics-policies/data-sharing-mining/ Proceedings of the Royal Society B: Biological Sciences volume 283, issue 1833, page 20160890 ISSN 0962-8452 1471-2954 journal-article 2016 crroyalsociety https://doi.org/10.1098/rspb.2016.0890 2024-08-19T04:24:55Z Organism-level effects of ocean acidification (OA) are well recognized. Less understood are OA's consequences for ecological species interactions. Here, we examine a behaviourally mediated predator–prey interaction within the rocky intertidal zone of the temperate eastern Pacific Ocean, using it as a model system to explore OA's capacity to impair invertebrate anti-predator behaviours more broadly. Our system involves the iconic sea star predator, Pisaster ochraceus , that elicits flee responses in numerous gastropod prey. We examine, in particular, the capacity for OA-associated reductions in pH to alter flight behaviours of the black turban snail, Tegula funebralis , an often-abundant and well-studied grazer in the system. We assess interactions between these species at 16 discrete levels of pH, quantifying the full functional response of Tegula under present and near-future OA conditions. Results demonstrate the disruption of snail anti-predator behaviours at low pH, with decreases in the time individuals spend in refuge locations. We also show that fluctuations in pH, including those typical of rock pools inhabited by snails, do not materially change outcomes, implying little capacity for episodically benign pH conditions to aid behavioural recovery. Together, these findings suggest a strong potential for OA to induce cascading community-level shifts within this long-studied ecosystem. Article in Journal/Newspaper Ocean acidification The Royal Society Proceedings of the Royal Society B: Biological Sciences 283 1833 20160890
institution Open Polar
collection The Royal Society
op_collection_id crroyalsociety
language English
description Organism-level effects of ocean acidification (OA) are well recognized. Less understood are OA's consequences for ecological species interactions. Here, we examine a behaviourally mediated predator–prey interaction within the rocky intertidal zone of the temperate eastern Pacific Ocean, using it as a model system to explore OA's capacity to impair invertebrate anti-predator behaviours more broadly. Our system involves the iconic sea star predator, Pisaster ochraceus , that elicits flee responses in numerous gastropod prey. We examine, in particular, the capacity for OA-associated reductions in pH to alter flight behaviours of the black turban snail, Tegula funebralis , an often-abundant and well-studied grazer in the system. We assess interactions between these species at 16 discrete levels of pH, quantifying the full functional response of Tegula under present and near-future OA conditions. Results demonstrate the disruption of snail anti-predator behaviours at low pH, with decreases in the time individuals spend in refuge locations. We also show that fluctuations in pH, including those typical of rock pools inhabited by snails, do not materially change outcomes, implying little capacity for episodically benign pH conditions to aid behavioural recovery. Together, these findings suggest a strong potential for OA to induce cascading community-level shifts within this long-studied ecosystem.
author2 National Science Foundation
California Sea Grant, University of California
format Article in Journal/Newspaper
author Jellison, Brittany M.
Ninokawa, Aaron T.
Hill, Tessa M.
Sanford, Eric
Gaylord, Brian
spellingShingle Jellison, Brittany M.
Ninokawa, Aaron T.
Hill, Tessa M.
Sanford, Eric
Gaylord, Brian
Ocean acidification alters the response of intertidal snails to a key sea star predator
author_facet Jellison, Brittany M.
Ninokawa, Aaron T.
Hill, Tessa M.
Sanford, Eric
Gaylord, Brian
author_sort Jellison, Brittany M.
title Ocean acidification alters the response of intertidal snails to a key sea star predator
title_short Ocean acidification alters the response of intertidal snails to a key sea star predator
title_full Ocean acidification alters the response of intertidal snails to a key sea star predator
title_fullStr Ocean acidification alters the response of intertidal snails to a key sea star predator
title_full_unstemmed Ocean acidification alters the response of intertidal snails to a key sea star predator
title_sort ocean acidification alters the response of intertidal snails to a key sea star predator
publisher The Royal Society
publishDate 2016
url http://dx.doi.org/10.1098/rspb.2016.0890
https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2016.0890
https://royalsocietypublishing.org/doi/full-xml/10.1098/rspb.2016.0890
genre Ocean acidification
genre_facet Ocean acidification
op_source Proceedings of the Royal Society B: Biological Sciences
volume 283, issue 1833, page 20160890
ISSN 0962-8452 1471-2954
op_rights https://royalsociety.org/journals/ethics-policies/data-sharing-mining/
op_doi https://doi.org/10.1098/rspb.2016.0890
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