globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.12818
Interactive effects of ocean acidification and rising sea temperatures alter predation rate and predator selectivity in reef fish communities
Author: Ferrari M.C.O.; Munday P.L.; Rummer J.L.; Mccormick M.I.; Corkill K.; Watson S.-A.; Allan B.J.M.; Meekan M.G.; Chivers D.P.
Source Publication: Global Change Biology
ISSN: 13541013
Publishing Year: 2015
Volume: 21, Issue:5
pages begin: 1848
pages end: 1855
Language: 英语
Keyword: Climate change ; Elevated temperature ; Foraging rate ; Global change ; Predator selectivity ; Predator-prey interaction ; Routine metabolic rate
Scopus Keyword: acidification ; antagonism ; climate change ; global change ; metabolism ; perciform ; predation ; predator-prey interaction ; prey selection ; reef ; temperature effect ; Pomacentridae ; carbon dioxide ; sea water ; analysis of variance ; animal ; body size ; chemistry ; coral reef ; fish ; metabolism ; pH ; physiology ; population dynamics ; predation ; sea ; species difference ; temperature ; Analysis of Variance ; Animals ; Body Size ; Carbon Dioxide ; Coral Reefs ; Fishes ; Hydrogen-Ion Concentration ; Oceans and Seas ; Population Dynamics ; Predatory Behavior ; Seawater ; Species Specificity ; Temperature
English Abstract: Ocean warming and acidification are serious threats to marine life. While each stressor alone has been studied in detail, their combined effects on the outcome of ecological interactions are poorly understood. We measured predation rates and predator selectivity of two closely related species of damselfish exposed to a predatory dottyback. We found temperature and CO2 interacted synergistically on overall predation rate, but antagonistically on predator selectivity. Notably, elevated CO2 or temperature alone reversed predator selectivity, but the interaction between the two stressors cancelled selectivity. Routine metabolic rates of the two prey showed strong species differences in tolerance to CO2 and not temperature, but these differences did not correlate with recorded mortality. This highlights the difficulty of linking species-level physiological tolerance to resulting ecological outcomes. This study is the first to document both synergistic and antagonistic effects of elevated CO2 and temperature on a crucial ecological process like predator-prey dynamics. © 2014 John Wiley & Sons Ltd.
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被引频次[WOS]:47   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Appears in Collections:影响、适应和脆弱性

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Affiliation: Department of Biomedical Sciences, WCVM, University of Saskatchewan, Saskatoon, SK, Canada; ARC Centre of Excellence for Coral Reef Studies, School of Marine and Tropical Biology, James Cook University, Townsville, QLD, Australia; Australian Institute of Marine Science, UWA Ocean Sciences Centre (MO96), Crawley, WA, Australia; Department of Biology, University of Saskatchewan, Saskatoon, SK, Canada

Recommended Citation:
Ferrari M.C.O.,Munday P.L.,Rummer J.L.,et al. Interactive effects of ocean acidification and rising sea temperatures alter predation rate and predator selectivity in reef fish communities[J]. Global Change Biology,2015-01-01,21(5)
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