2026-08-20T17:05:55Zhttps://docta.ucm.es/rest/oai/request
oai:docta.ucm.es:20.500.14352/1107182024-11-19T00:48:42Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense author Gangoso De La Colina, Laura Esther author Viana, Duarte S. author Dokter, Adriaan M. author Shamoun‐Baranes, Judy author Figuerola, Jordi author Barbosa, Sergio A. author Bouten, Willem editor Annette Fayet 2024-11-18T15:49:18Z 2024-11-18T15:49:18Z 2020 Gangoso L, Viana DS, Dokter AM,et al. Cascading effects of climate variability on the breedingsuccess of an edge population of an apex predator. J Anim Ecol.2020;89:2631–2643. https://doi.org/10.1111/1365-2656.13304 0021-8790 10.1111/1365-2656.13304 https://hdl.handle.net/20.500.14352/110718 1365-2656 https://doi.org/10.1111/1365-2656.13304 https://besjournals.onlinelibrary.wiley.com/doi/10.1111/1365-2656.13304 Large-scale environmental forces can influence biodiversity at different levels of biological organization. Climate, in particular, is often associated with species distributions and diversity gradients. However, its mechanistic link to population dynamics is still poorly understood. Here, we unravelled the full mechanistic path by which a climatic driver, the Atlantic trade winds, determines the viability of a bird population. We monitored the breeding population of Eleonora's falcons in the Canary Islands for over a decade (2007–2017) and integrated different methods and data to reconstruct how the availability of their prey (migratory birds) is regulated by trade winds. We tracked foraging movements of breeding adults using GPS, monitored departure of migratory birds using weather radar and simulated their migration trajectories using an individual-based, spatially explicit model. We demonstrate that regional easterly winds regulate the flux of migratory birds that is available to hunting falcons, determining food availability for their chicks and consequent breeding success. By reconstructing how migratory birds are pushed towards the Canary Islands by trade winds, we explain most of the variation (up to 86%) in annual productivity for over a decade. This study unequivocally illustrates how a climatic driver can influence local-scale demographic processes while providing novel evidence of wind as a major determinant of population fitness in a top predator. eng Attribution-NonCommercial 4.0 International Cascading effects of climate variability on the breeding success of an edge population of an apex predator journal article 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URL https://docta.ucm.es/bitstreams/177b25fc-3208-4706-8d6e-a46b6145df20/download File MD5 b15d3182919b605be990afc17b9e17a6 1732349 application/pdf Cascading effects of climate variability on the breeding success of an edge.pdf