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Título: | Disease-mediated bottom-up regulation: An emergent virus affects a keystone prey, and alters the dynamics of trophic webs |
Autor: | Monterroso, P.; Garrote, Germán; Serronha, A.; Santos, E.; Delibes-Mateos, Miguel CSIC ORCID; Abrantes, J.; De Ayala, R.P.; Silvestre, F.; Carvalho, J.; Vasco, I.; Lopes, A.M.; Maio, E.; Magalhães, Maria J.; Mills, L. Scott; Esteves, P.J.; Simón, M.N.; Alves, P.C. | Palabras clave: | Emergent diseases Ecosystems |
Fecha de publicación: | 2016 | Editor: | Springer Nature | Citación: | Scientific Reports 6 (2016) | Resumen: | Emergent diseases may alter the structure and functioning of ecosystems by creating new biotic interactions and modifying existing ones, producing cascading processes along trophic webs. Recently, a new variant of the rabbit haemorrhagic disease virus (RHDV2 or RHDVb) arguably caused widespread declines in a keystone prey in Mediterranean ecosystems - the European rabbit (Oryctolagus cuniculus). We quantitatively assess the impact of RHDV2 on natural rabbit populations and in two endangered apex predator populations: the Iberian lynx (Lynx pardinus) and the Spanish Imperial eagle (Aquila adalberti). We found 60-70% declines in rabbit populations, followed by decreases of 65.7% in Iberian lynx and 45.5% in Spanish Imperial eagle fecundities. A revision of the web of trophic interactions among rabbits and their dependent predators suggests that RHDV2 acts as a keystone species, and may steer Mediterranean ecosystems to management-dependent alternative states, dominated by simplified mesopredator communities. This model system stresses the importance of diseases as functional players in the dynamics of trophic webs. | Versión del editor: | http://dx.doi.org/10.1038/srep36072 | URI: | http://hdl.handle.net/10261/222529 | DOI: | 10.1038/srep36072 | Identificadores: | doi: 10.1038/srep36072 issn: 2045-2322 |
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disease mediated bottom up regulation.pdf | 1,69 MB | Adobe PDF | Visualizar/Abrir |
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