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Título: | Attractive sinks, or how individual behavioural decisions determine source—sink dynamics |
Autor: | Delibes, M. CSIC ORCID; Ferreras, Pablo CSIC ORCID ; Gaona, P. | Palabras clave: | Attractive sinks deceptive sources Demography dispersal, ecological traps habitat selection metapopulations risk detection source—sink dynamics |
Fecha de publicación: | ago-2001 | Editor: | Blackwell Publishing | Citación: | Ecology Letters, (2001) 4: 401—403 | Resumen: | Gundersen et al. (2001, Source-sink dynamics: how sinks affect demography of sources. Ecol. Lett., 4, 14—21.) suggested that sinks can severely affect the demography of populations in source habitats. We propose this is a common result when animals lack cues associated with reduced fitness inside sinks and consequently select habitat inappropriately. These attractive sinks can result either from undetected risks of mortality (as in the experiment of Gundersen et al. 2001) or from undetected poor breeding probabilities (due to bioaccumulation of pesticides, for instance). Thus, individual habitat choice is a key process underlying source—sink dynamics | Versión del editor: | http://dx.doi.org/10.1046/j.1461-0248.2001.00254.x | URI: | http://hdl.handle.net/10261/50341 | DOI: | 10.1046/j.1461-0248.2001.00254.x |
Aparece en las colecciones: | (EBD) Artículos |
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delibes et al 2001_ecology letters.doc | 212,5 kB | Microsoft Word | Visualizar/Abrir |
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