2026-06-28T20:09:55Zhttps://docta.ucm.es/rest/oai/request
oai:docta.ucm.es:20.500.14352/1223592025-07-10T00:16:07Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense author Alujević, Karla author Streicher, Jeffrey W. author Garcia, Raquel A. author Riesgo, Ana author Taboada Moreno, Sergio author Logan, Michael L. author Clusella-Trullas, Susana 2025-07-09T09:33:08Z 2025-07-09T09:33:08Z 2023-06-14 Alujević, K., Streicher, J. W., Garcia, R. A., Riesgo, A., Taboada, S., Logan, M. L., & Clusella-Trullas, S. (2023). Mismatches between phenotype and environment shape fitness at hyperlocal scales. Proceedings of the Royal Society B: Biological Sciences, 290(2000). https://doi.org/10.1098/RSPB.2023.0865 0962-8452 10.1098/rspb.2023.0865 https://hdl.handle.net/20.500.14352/122359 1471-2954 https://doi.org/10.1098/rspb.2023.0865 https://royalsocietypublishing.org/doi/10.1098/rspb.2023.0865 In the era of human-driven climate change, understanding whether behavioural buffering of temperature change is linked with organismal fitness is essential. According to the ‘cost–benefit’ model of thermoregulation, animals that live in environments with high frequencies of favourable thermal microclimates should incur lower thermoregulatory costs, thermoregulate more efficiently and shunt the associated savings in time and energy towards other vital tasks such as feeding, territory defence and mate acquisition, increasing fitness. Here, we explore how thermal landscapes at the scale of individual territories, physiological performance and behaviour interact and shape fitness in the southern rock agama lizard (Agama atra). We integrated laboratory assays of whole organism performance with behavioural observations in the field, fine-scale estimates of environmental temperature, and paternity assignment of offspring to test whether fitness is predicted by territory thermal quality (i.e. the number of hours that operative temperatures in a territory fall within an individual's performance breadth). Male lizards that occupied territories of low thermal quality spent more time behaviourally compensating for sub-optimal temperatures and displayed less. Further, display rate was positively associated with lizard fitness, suggesting that there is an opportunity cost to engaging in thermoregulatory behaviour that will change as climate change progresses eng Mismatches between phenotype and environment shape fitness at hyperlocal scales journal article 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URL https://docta.ucm.es/bitstreams/59068795-9d3b-464b-b8ae-0a912c9f6dc9/download File MD5 9f9e897c0f61041386320d7e8f09aa5e 1127718 application/pdf Mismatches_between_phenotype.pdf