Consistent temperature dependence of functional response parameters and their use in predicting population abundance

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dc.contributor.authorArcher, Louise C.
dc.contributor.authorSohlström, Esra H.
dc.contributor.authorGallo, Bruno
dc.contributor.authorJochum, Malte
dc.contributor.authorWoodward, Guy
dc.contributor.authorKordas, Rebecca L.
dc.contributor.authorRall, Björn C.
dc.contributor.authorO'Gorman, Eoin J.
dc.contributor.funderNiedersächsisches Ministerium für Wissenschaft und Kulturen
dc.contributor.funderRoyal Societyen
dc.contributor.funderDeutsche Forschungsgemeinschaften
dc.contributor.funderDeutsche Bundesstiftung Umwelten
dc.contributor.funderNatural Environment Research Councilen
dc.contributor.funderSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschungen
dc.contributor.funderNational Science Foundationen
dc.date.accessioned2019-10-14T19:40:59Z
dc.date.available2019-10-14T19:40:59Z
dc.date.issued2019-08-09
dc.description.abstractGlobal warming is one of the greatest threats to the persistence of populations: increased metabolic demands should strengthen pairwise species interactions, which could destabilize food webs at the higher organizational levels. Quantifying the temperature dependence of consumer–resource interactions is thus essential for predicting ecological responses to warming. We explored feeding interactions between different predator–prey pairs in controlled-temperature chambers and in a system of naturally heated streams. We found consistent temperature dependence of attack rates across experimental settings, though the magnitude and activation energy of attack rate were specific to each predator, which varied in mobility and foraging mode. We used these parameters along with metabolic rate measurements to estimate energetic efficiency and population abundance with warming. Energetic efficiency accurately estimated field abundance of a mobile predator that struggled to meet its metabolic demands, but was a poor predictor for a sedentary predator that operated well below its energetic limits. Temperature effects on population abundance may thus be strongly dependent on whether organisms are regulated by their own energy intake or interspecific interactions. Given the widespread use of functional response parameters in ecological modelling, reconciling outcomes from laboratory and field studies increases the confidence and precision with which we can predict warming impacts on natural systems.en
dc.description.sponsorshipRoyal Society (Grant Number: RG140601); Deutsche Forschungsgemeinschaft (Grant Number: FZT 118); National Science Foundation (Grant Number: PRFB 1401656)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationArcher, L. C., Sohlström, E. H., Gallo, B., Jochum, M., Woodward, G., Kordas, R. L., Rall, B. C. and O’Gorman, E. J. 'Consistent temperature dependence of functional response parameters and their use in predicting population abundance', Journal of Animal Ecology,. (14pp.), [In Press]. DOI: 10.1111/1365-2656.13060en
dc.identifier.doi10.1111/1365-2656.13060en
dc.identifier.eissn1365-2656
dc.identifier.endpage14en
dc.identifier.issn0021-8790
dc.identifier.journaltitleJournal of Animal Ecologyen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8745
dc.language.isoenen
dc.publisherWileyen
dc.relation.projectinfo:eu-repo/grantAgreement/FWF/Schrödinger-Programm/J 1451/AT/Funktion der STAT Proteine bei der T-Zellaktivierung/en
dc.relation.projectinfo:eu-repo/grantAgreement/RCUK/NERC/NE/L011840/1/GB/Impacts of habitat fragmentation in a warming world/en
dc.relation.projectinfo:eu-repo/grantAgreement/RCUK/NERC/NE/M020843/1/GB/Impacts of global warming in sentinel systems: from genes to ecosystems/en
dc.relation.urihttps://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/1365-2656.13060
dc.rights©2019 The Authors. Journal of Animal Ecology published by John Wiley & Sons Ltd on behalf of British Ecological Society This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectAquaticen
dc.subjectClimate changeen
dc.subjectConsumer-resourceen
dc.subjectFreshwateren
dc.subjectPopulation dynamicsen
dc.subjectPredator-preyen
dc.subjectPredictive modellingen
dc.subjectTrophic interactionsen
dc.titleConsistent temperature dependence of functional response parameters and their use in predicting population abundanceen
dc.typeArticle (peer-reviewed)en
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