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dc.contributor.authorChaudhary, Chhaya
dc.contributor.authorRichardson, Anthony J.
dc.contributor.authorSchoeman, David S.
dc.contributor.authorCostello, Mark
dc.date.accessioned2021-08-25T07:52:38Z
dc.date.available2021-08-25T07:52:38Z
dc.date.created2021-05-06T15:05:23Z
dc.date.issued2021
dc.identifier.citationChaudhary, C., Richardson, A. J., Schoeman, D. S. & Costello, M. J. (2021). Global warming is causing a more pronounced dip in marine species richness around the equator. Proceedings of the National Academy of Sciences of the United States of America, 118(15): e2015094118. doi:en_US
dc.identifier.issn1091-6490
dc.identifier.urihttps://hdl.handle.net/11250/2771087
dc.description.abstractThe latitudinal gradient in species richness, with more species in the tropics and richness declining with latitude, is widely known and has been assumed to be stable over recent centuries. We analyzed data on 48,661 marine animal species since 1955, accounting for sampling variation, to assess whether the global latitudinal gradient in species richness is being impacted by climate change. We confirm recent studies that show a slight dip in species richness at the equator. Moreover, richness across latitudinal bands was sensitive to temperature, reaching a plateau or declining above a mean annual sea surface temperature of 20 °C for most taxa. In response, since the 1970s, species richness has declined at the equator relative to an increase at midlatitudes and has shifted north in the northern hemisphere, particularly among pelagic species. This pattern is consistent with the hypothesis that climate change is impacting the latitudinal gradient in marine biodiversity at a global scale. The intensification of the dip in species richness at the equator, especially for pelagic species, suggests that it is already too warm there for some species to survive.en_US
dc.language.isoengen_US
dc.publisherThe National Academy of Sciencesen_US
dc.titleGlobal warming is causing a more pronounced dip in marine species richness around the equatoren_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionacceptedVersionen_US
dc.subject.nsiVDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480::Marinbiologi: 497en_US
dc.source.pagenumber6en_US
dc.source.volume118en_US
dc.source.journalProceedings of the National Academy of Sciences of the United States of Americaen_US
dc.source.issue15en_US
dc.identifier.doi10.1073/pnas.2015094118
dc.identifier.cristin1908581
dc.source.articlenumbere2015094118en_US


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