Context-dependent interactions and the regulation of species richness in freshwater fish

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dc.contributor.authorMacDougall, Andrew S.
dc.contributor.authorHarvey, Eric
dc.contributor.authorMcCune, Jenny L.
dc.contributor.authorNilsson, Karin A.
dc.contributor.authorBennett, Joseph
dc.contributor.authorFirn, Jennifer
dc.contributor.authorBartley, Timothy
dc.contributor.authorGrace, James B.
dc.contributor.authorKelly, Jocelyn
dc.contributor.authorTunney, Tyler D.
dc.contributor.authorMcMeans, Bailey
dc.contributor.authorMatsuzaki, Shin-Ichiro S.
dc.contributor.authorKadoya, Taku
dc.contributor.authorEsch, Ellen
dc.contributor.authorCazelles, Kevin
dc.contributor.authorLester, Nigel
dc.contributor.authorMcCann, Kevin S.
dc.date.accessioned2023-02-17T20:37:58Z
dc.date.available2023-02-17T20:37:58Z
dc.date.issued2018
dc.descriptionOpen access article. Creative Commons Attribution 4.0 International license (CC BY 4.0) appliesen_US
dc.description.abstractSpecies richness is regulated by a complex network of scale-dependent processes. This complexity can obscure the influence of limiting species interactions, making it difficult to determine if abiotic or biotic drivers are more predominant regulators of richness. Using integrative modeling of freshwater fish richness from 721 lakes along an 11o latitudinal gradient, we find negative interactions to be a relatively minor independent predictor of species richness in lakes despite the widespread presence of predators. Instead, interaction effects, when detectable among major functional groups and 231 species pairs, were strong, often positive, but contextually dependent on environment. These results are consistent with the idea that negative interactions internally structure lake communities but do not consistently ‘scale-up’ to regulate richness independently of the environment. The importance of environment for interaction outcomes and its role in the regulation of species richness highlights the potential sensitivity of fish communities to the environmental changes affecting lakes globally.en_US
dc.description.peer-reviewYesen_US
dc.identifier.citationMacDougall, A. S., Harvey, E., McCune, J. L., Nilsson, K. A., Bennett, J., Firn, J., Bartley, T., Grace, J. B., Kelly, J., Tunney, T. D., McMeans, B., Matsuzaki, S.-I. S., Kadoya, T., Esch, E., Cazelles, K., Lester, N., McCann, K. S. (2018). Context-dependent interactions and the regulation of species richness in freshwater fish. Nature Communications, 9(1), 973. https://doi.org/10.1038/s41467-018-03419-1en_US
dc.identifier.urihttps://hdl.handle.net/10133/6435
dc.language.isoen_USen_US
dc.publisherNature Publishing Groupen_US
dc.publisher.departmentDepartment of Biological Studiesen_US
dc.publisher.facultyArts and Scienceen_US
dc.publisher.institutionUniversity of Guelphen_US
dc.publisher.institutionUniversity of Zurichen_US
dc.publisher.institutionUniversity of Torontoen_US
dc.publisher.institutionCarleton Universityen_US
dc.publisher.institutionUmea Universityen_US
dc.publisher.institutionQueensland University of Technologyen_US
dc.publisher.institutionUS Geological Survey Wetland and Aquatic Research Centeren_US
dc.publisher.institutionFisheries and Oceans Canadaen_US
dc.publisher.institutionNational Institute for Environmental Studies (Japan)en_US
dc.publisher.institutionOntario Ministry of Natural Resources and Forestryen_US
dc.publisher.institutionUniversity of Lethbridgeen_US
dc.publisher.urlhttps://doi.org/10.1038/s41467-018-03419-1en_US
dc.subjectCommunity ecologyen_US
dc.subjectSpecies richness
dc.subjectFreshwater fish
dc.subject.lcshBiogeography
dc.subject.lcshSpecies diversity
dc.subject.lcshFreshwater ecology
dc.subject.lcshLimnology
dc.titleContext-dependent interactions and the regulation of species richness in freshwater fishen_US
dc.typeArticleen_US
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