Are lizards feeling the heat? A tale of ecology and evolution under two temperatures.

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dc.careerCiencias Biológicasen_US
dc.category.authorprincipalen_US
dc.contributor.authorTorres Carvajal, Lenin Omar
dc.contributor.correspondingMeiri, Shaien_US
dc.countryEcuadoren_US
dc.date.accessioned2023-11-04T21:35:49Z
dc.date.available2023-11-04T21:35:49Z
dc.date.issued2013
dc.dedication.authorTCen_US
dc.description.abstractAim: Temperature influences most components of animal ecology and life history – but what kind of temperature? Physiologists usually examine the influence of body temperatures, while biogeographers and macroecologists tend to focus on environmental temperatures. We aim to examine the relationship between these two measures, to determine the factors that affect lizard body temperatures and to test the effect of both temperature measures on lizard life history. Location: World-wide. Methods: We used a large (861 species) global dataset of lizard body temperatures, and the mean annual temperatures across their geographic ranges to examine the relationships between body and mean annual temperatures. We then examined factors influencing body temperatures, and tested for the influence of both on ecological and life-history traits while accounting for the influence of shared ancestry. Results: Body temperatures and mean annual temperatures are uncorrelated. However, accounting for activity time (nocturnal species have low body temperatures), use of space (fossorial and semi-aquatic species are ‘colder’), insularity (mainland species are ‘hotter’) and phylogeny, the two temperatures are positively correlated. High body temperatures are only associated with larger hatchlings and increased rates of biomass production. Annual temperatures are positively correlated with clutch frequency and annual longevity, and negatively correlated with clutch size, age at first reproduction and longevity. Main conclusions: Lizards with low body temperatures do not seem to have ‘slower’ life-history attributes than species with high body temperatures. The longer seasons prevalent in warm regions, and physiological processes that operate while lizards are inactive (but warm enough), make environmental temperatures better predictors of lizard life-history variation than body temperatures. This surprisingly greater effect of environmental temperatures on lizard life histories hints that global warming may have a profound influence on lizard ecology and evolution.en_US
dc.facultyCiencias Exactas y Naturalesen_US
dc.id.author1712335916en_US
dc.id.type1en_US
dc.identifier.doi10.1111/geb.12053en_US
dc.identifier.issn1466-8238
dc.identifier.urihttp://onlinelibrary.wiley.com/doi/10.1111/geb.12053/abstract?userIsAuthenticated=false&deniedAccessCustomisedMessage=en_US
dc.identifier.urihttps://repositorio.puce.edu.ec/handle/123456789/5461
dc.indexed.databaseScimago Journal Ranken_US
dc.list.authorsShai Meiri, S., Bauer, A., Chirio, L., Colli, G.R., Das, I., Doan, T., Feldman, A., Castro, F., Novosolov, M., et al.en_US
dc.magazine.pageRange1-12en_US
dc.magazine.titleGlobal Ecology and Biogeographyen_US
dc.magazine.volumeChapter22 (7)en_US
dc.rightsClosedAccessen_US
dc.statepublisheden_US
dc.subjectBody temperatureen_US
dc.subjectDieen_US
dc.subjectCycleen_US
dc.subjectEnvironmentalen_US
dc.subjectTemperatureen_US
dc.subjectGlobal warmingen_US
dc.subjectLife historyen_US
dc.subjectet al.en_US
dc.titleAre lizards feeling the heat? A tale of ecology and evolution under two temperatures.en_US
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