Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/126457
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Type: Journal article
Title: Ocean warming increases availability of crustacean prey via riskier behavior
Author: Marangon, E.
Goldenberg, U.
Nagelkerken, I.
Citation: Behavioral Ecology, 2020; 31(2):287-291
Publisher: Oxford University Press
Issue Date: 2020
ISSN: 1045-2249
1465-7279
Editor: Quinn, J.
Statement of
Responsibility: 
Emma Marangon, Silvan U. Goldenberg, and Ivan Nagelkerken
Abstract: Marine prey and predators will respond to future climate through physiological and behavioral adjustments. However, our understanding of how such direct effects may shift the outcome of predator–prey interactions is still limited. Here, we investigate the effects of ocean warming and acidification on foraging behavior and biomass of a common prey (shrimps, Palaemon spp.) tested in large mesocosms harboring natural resources and habitats. Acidification did not alter foraging behavior in prey. Under warming, however, prey showed riskier behavior by foraging more actively and for longer time periods, even in the presence of a live predator. No effects of longer-term exposure to climate stressors were detected on prey biomass. Our findings suggest that ocean warming may increase the availability of some prey to predators via a behavioral pathway (i.e., increased risk-taking by prey), likely by elevating metabolic demand of prey species.
Keywords: Climate change; foraging behaviour; mesocosm; ocean acidification; predator-prey interactions
Rights: © The Author(s) 2019. Published by Oxford University Press on behalf of the International Society for Behavioral Ecology. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
DOI: 10.1093/beheco/arz196
Grant ID: http://purl.org/au-research/grants/arc/FT120100183
Published version: http://dx.doi.org/10.1093/beheco/arz196
Appears in Collections:Aurora harvest 4
Earth and Environmental Sciences publications

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