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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/13612 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/13612 http://eprints.org/relation/isCoversheetVersionOf https://pure.iiasa.ac.at/id/document/13612 archive 351 disk0/00/01/02/25 2016-01-15 08:48:01 2021-08-27 17:22:57 2016-01-15 08:48:01 monograph show 2 M'Gonigle L.K. 8402 Mazzucco R. 1843 Otto S.P. Dieckmann U. 1668 0000-0001-7089-0393 pub iis_ecl prog_eep Empirical data indicate that sexual preferences are critical for maintaining species boundaries, yet theoretical work has suggested they can play only a minimal role in maintaining biodiversity on their own. This is because long-term coexistence within overlapping ranges is thought to be unlikely in the absence of ecological differentiation. Here we challenge this widely held view by generalizing a standard model of sexual selection to include two ubiquitous features of populations with sexual selection: spatial variation in local carrying capacity and mate-search costs in females. We show that, when these two features are combined, sexual preferences can single-handedly maintain coexistence, even when spatial variation in local carrying capacity is so slight that it might go unnoticed empirically. This is the first theoretical study to demonstrate that sexual selection alone can promote the long-term coexistence of ecologically equivalent species with overlapping ranges, and it thus provides a novel explanation for the maintenance of species diversity. 2012 published IR-12-050 IR-12-050 1453 201 66 public interim_report IIASA, Laxenburg, Austria 41 http://www.nature.com/nature/journal/v484/n7395/full/nature10971.html?foxtrotcallback=true publ FALSE info:eu-repo/semantics/book