Epizootic effect and aftermath in a pilot whale population
2019
Verborgh, Philippe | Gauffier, Pauline | Brévart, Clémentine | Giménez, Joan | Esteban, Ruth | Carbou, Morgane | Debons, Elodie | de Stephanis, Renaud | Ministerio de Medio Ambiente (España) | Fundación Biodiversidad | Loro Parque Fundación | CEPSA
9 pages, 2 figures, 3 tables
Afficher plus [+] Moins [-]Over the last three decades, emerging infectious diseases have resulted in large mortalities in wild populations. Different strains of Morbillivirus have infected cetaceans all over the world and caused at least seven epizootics since the 1980s, but few data exist on their effect at the population level. The demographic effect of a morbillivirus epizootic was studied on a well-monitored resident population of long-finned pilot whales in the Strait of Gibraltar. Results show decreases in population size and apparent survival rate, especially in males, as well as negative population growth rates during the epizootic and the following years. Although different anthropogenic and natural factors may have acted in conjunction, the epizootic was most likely the cause of this observed decline. This epizootic, and potential future ones, may put the population's future at even greater risk, and their habitat is threatened by increasing anthropogenic stress
Afficher plus [+] Moins [-]This work was funded by the Ministerio de Medio Ambiente, Fundación Biodiversidad, LIFE ‘Conservación de cetáceos y tortugas de Murcia y Andalucía’ (LIFE02NAT/E/8610), Loro Parque Foundation and CEPSA
Afficher plus [+] Moins [-]Peer Reviewed
Afficher plus [+] Moins [-]Mots clés AGROVOC
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