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dc.contributor.authorFusi, Marco
dc.contributor.authorGiomi, Folco
dc.contributor.authorBabbini, Simone
dc.contributor.authorDaffonchio, Daniele
dc.contributor.authorMcquaid, Christopher D.
dc.contributor.authorPorri, Francesca
dc.contributor.authorCannicci, Stefano
dc.date.accessioned2015-08-03T12:17:24Z
dc.date.available2015-08-03T12:17:24Z
dc.date.issued2014-11-18
dc.identifier.citationFusi, M., Giomi, F., Babbini, S., Daffonchio, D., McQuaid, C. D., Porri, F., & Cannicci, S. (2014). Thermal specialization across large geographical scales predicts the resilience of mangrove crab populations to global warming. Oikos, 124(6), 784–795. doi:10.1111/oik.01757
dc.identifier.issn00301299
dc.identifier.doi10.1111/oik.01757
dc.identifier.urihttp://hdl.handle.net/10754/563862
dc.description.abstractThe broad prediction that ectotherms will be more vulnerable to climate change in the tropics than in temperate regions includes assumptions about centre/edge population effects that can only be tested by within-species comparisons across wide latitudinal gradients. Here, we investigated the thermal vulnerability of two mangrove crab species, comparing populations at the centre (Kenya) and edge (South Africa) of their distributions. At the same time, we investigated the role of respiratory mode (water- versus air-breathing) in determining the thermal tolerance in amphibious organisms. To do this, we compared the vulnerability to acute temperature fluctuations of two sympatric species with two different lifestyle adaptations: the free living Perisesarma guttatum and the burrowing Uca urvillei, both pivotal to the ecosystem functioning of mangroves. The results revealed the air-breathing U. urvillei to be a thermal generalist with much higher thermal tolerances than P. guttatum. Importantly, however, we found that, while U. urvillei showed little difference between edge and centre populations, P. guttatum showed adaptation to local conditions. Equatorial populations had elevated tolerances to acute heat stress and mechanisms of partial thermoregulation, which make them less vulnerable to global warming than temperate conspecifics. The results reveal both the importance of respiratory mode to thermal tolerance and the unexpected potential for low latitude populations/species to endure a warming climate. The results also contribute to a conceptual model on the latitudinal thermal tolerance of these key species. This highlights the need for an integrated population-level approach to predict the consequences of climate change. © 2014 The Authors.
dc.publisherWiley
dc.titleThermal specialization across large geographical scales predicts the resilience of mangrove crab populations to global warming
dc.typeArticle
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Division
dc.contributor.departmentBioscience Program
dc.contributor.departmentExtreme Systems Microbiology Lab
dc.identifier.journalOikos
dc.eprint.versionPost-print
dc.contributor.institutionDept of Food Environmental and Nutritionals Sciences (DeFENS), Univ. of Milan, via Celoria 2, Milan, Italy
dc.contributor.institutionDept of Integrative Ecophysiology, Alfred-Wegener-Inst. for Polar and Marine Research, Bremerhaven, Germany
dc.contributor.institutionDept of Biology, Univ. degli Studi di Firenze, Firenze, Italy
dc.contributor.institutionDept of Zoology and Entomology, Rhodes Univ., Grahamstown, South Africa
dc.contributor.institutionSouth African Inst. for Aquatic Biodiversity, Private Bag 1015, Grahamstown, South Africa
kaust.personFusi, Marco
kaust.personDaffonchio, Daniele
refterms.dateFOA2015-11-18T00:00:00Z
dc.date.published-online2014-11-18
dc.date.published-print2015-06


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