Morphological stability of rural populations supports their use as controls in urban ecology studies

dc.contributor.authorRegacho, Tania
dc.contributor.authordelBarco-Trillo, Javier
dc.contributor.funderEuropean Commissionen
dc.date.accessioned2022-06-24T08:35:12Z
dc.date.available2022-06-24T08:35:12Z
dc.date.issued2022-06-08
dc.description.abstractThe expansion of urban environments and how animals may be affected by them are being increasingly investigated, leading to a surge in urban ecology studies. Many urban ecology studies involve a direct comparison between rural and urban populations, or the use of urban gradients along a continuum from rural to urban areas. The implicit, although not properly investigated, assumption in these rural vs urban comparisons is that the rural populations offer a control that represents a lack of the anthropogenic stressors affecting the urban populations. Here we used museum skulls from 14 rodent species to conduct two separate studies, measuring fluctuating asymmetry (FA) as a proxy of developmental stress to assess the effect of anthropogenic disturbance. First, we compared urban and rural specimens of Mus musculus (house mouse) to validate our methodological approach. Second, we compared rural specimens from 14 rodent species collected during the last two centuries across Austria. We hypothesised that FA in rural populations has not increased over the last two centuries, which would support the use of rural populations as a proper control in rural vs urban comparisons. We found higher morphological asymmetry in urban populations of Mus musculus compared to rural populations, which is consistent with similar studies in other species. However, we did not find any significant increase in FA over time in rural populations for any of the studied species. This offers some support to the common practice of using rural populations as a control in rural vs urban comparisons when assessing the effects of urbanisation.en
dc.description.sponsorshipEuropean Commission (Synthesis grant: AT-TAF-6333)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRegacho, T. and delBarco-Trillo, J. (2022) 'Morphological stability of rural populations supports their use as controls in urban ecology studies', Urban Ecosystems. doi: 10.1007/s11252-022-01253-4en
dc.identifier.doi10.1007/s11252-022-01253-4en
dc.identifier.eissn1573-1642
dc.identifier.issn1083-8155
dc.identifier.journaltitleUrban Ecosystemsen
dc.identifier.urihttps://hdl.handle.net/10468/13313
dc.language.isoenen
dc.publisherSpringer Nature Switzerland AGen
dc.rights© 2022, the Authors, under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature. This is a post-peer-review, pre-copyedit version of an article published in Urban Ecosystems. The final authenticated version is available online at: https://doi.org/10.1007/s11252-022-01253-4en
dc.subjectAnthropoceneen
dc.subjectFluctuating asymmetryen
dc.subjectRodentsen
dc.subjectSkullsen
dc.subjectUrban ecologyen
dc.subjectUrban vs rural comparisonsen
dc.titleMorphological stability of rural populations supports their use as controls in urban ecology studiesen
dc.typeArticle (peer-reviewed)en
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