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Tropical niche conservatism as a historical narrative hypothesis for the Neotropics: a case study using the fly family Muscidae
2011; Wiley; Volume: 38; Issue: 10 Linguagem: Inglês
10.1111/j.1365-2699.2011.02540.x
ISSN1365-2699
AutoresPeter Löwenberg‐Neto, Cláudio José Barros de Carvalho, Bradford A. Hawkins,
Tópico(s)Species Distribution and Climate Change
ResumoJournal of BiogeographyVolume 38, Issue 10 p. 1936-1947 ORIGINAL ARTICLE Tropical niche conservatism as a historical narrative hypothesis for the Neotropics: a case study using the fly family Muscidae Peter Löwenberg-Neto, Corresponding Author Peter Löwenberg-Neto Universidade Federal da Integração Latino-Americana, Foz do Iguaçu, PR, Brazil Peter Löwenberg-Neto, UNILA, Av. Tancredo Neves, 6731, Caixa Postal 2064, CEP 85867-970, Foz do Iguaçu, PR, Brazil.E-mail: [email protected]Search for more papers by this authorClaudio J. B. de Carvalho, Claudio J. B. de Carvalho Departamento de Zoologia, SCB, Universidade Federal do Paraná, Curitiba, PR, BrazilSearch for more papers by this authorBradford A. Hawkins, Bradford A. Hawkins Department of Ecology and Evolutionary Biology, University of California, Irvine, CA, USASearch for more papers by this author Peter Löwenberg-Neto, Corresponding Author Peter Löwenberg-Neto Universidade Federal da Integração Latino-Americana, Foz do Iguaçu, PR, Brazil Peter Löwenberg-Neto, UNILA, Av. Tancredo Neves, 6731, Caixa Postal 2064, CEP 85867-970, Foz do Iguaçu, PR, Brazil.E-mail: [email protected]Search for more papers by this authorClaudio J. B. de Carvalho, Claudio J. B. de Carvalho Departamento de Zoologia, SCB, Universidade Federal do Paraná, Curitiba, PR, BrazilSearch for more papers by this authorBradford A. Hawkins, Bradford A. Hawkins Department of Ecology and Evolutionary Biology, University of California, Irvine, CA, USASearch for more papers by this author First published: 24 June 2011 https://doi.org/10.1111/j.1365-2699.2011.02540.xCitations: 16Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Abstract Aim We evaluate the extent to which the tropical conservatism hypothesis can explain the evolutionary development of the Muscidae. Furthermore, we compare the geographical patterns of muscid phylogenetic structure with biogeographical regions that have been identified for Neotropical insects. Location Central and South America. Methods We modelled the geographic distributions of 658 species using Maxent and 19 environmental variables. A generic-level supertree of the Muscidae was assembled using matrix representation with parsimony and used to map the geographic pattern of mean root distance (MRD), a metric of the relative evolutionary development of assemblages. Regression models (ordinary least squares and regression trees) were used to examine temperature and other environmental correlates of MRD to explore potential environmental drivers of muscid diversification. We used the regression tree results to recognize variable intervals that best explained MRD, and these intervals were mapped to recognize and compare with biogeographical regions of Neotropical insects. Results The geographic pattern of MRD was consistent with the tropical conservatism hypothesis: species in genera that diversified relatively early, as measured by their distance from the tree root, dominate lowland tropical South America, whereas species in genera that diversified more recently occupy extra-tropical areas, sub-Antarctic areas and the Andean highlands. Temperature was the strongest correlate of MRD. Three biogeographical regions were recognized and they coincided with two regions known for insects. Main conclusions Evolutionary responses of muscid flies to post-Eocene climate change taking the form of an expansion of a tropical group into regions with colder climates may be fundamental to explaining their distribution in the Neotropics. Our biogeographical regions delimited by temperature and the phylogenetic metric, surrogates of the tropical conservatism hypothesis, were very similar to general insect patterns, supporting the 'tropical origin and evolutionary response to climate cooling' as a broadly based historical narrative for the Neotropics. Citing Literature Supporting Information Appendix S1 List of the species of Muscidae analysed, and area under the curve (AUC) values. Appendix S2 Species richness pattern of Neotropical Muscidae. As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer-reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Filename Description JBI_2540_sm_AppendixS1-S2.doc1.7 MB Supporting info item Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article. Volume38, Issue10October 2011Pages 1936-1947 RelatedInformation
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