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Evaluating European LIFE conservation projects: Improvements in survival of an endangered vulture
by
Suarez‐Pérez, Alejandro
, Luzardo, Octavio P
, Sanz Aguilar, Ana
, Gangoso, Laura
, Donázar, José Antonio
, García Alfonso, Marina
, Overveld, Thijs van
, Departamentos de la UMH::Biología Aplicada
, Badia Boher, Jaume Adrià
, de la Riva, Manuel
in
Accidents
/ Accounting
/ adults
/ Biodiversity
/ biodiversity conservation
/ Birds
/ Capture-recapture studies
/ capture–recapture
/ Collision mortality
/ color
/ Conservation
/ conservation programme success
/ conservation programs
/ death
/ Education
/ Egyptian vulture
/ Electrocutions
/ Endangered species
/ Environmental education
/ Environmental effects
/ Foreign languages
/ human population
/ Human populations
/ islands
/ Juveniles
/ long‐term monitoring
/ Materials recovery
/ monitoring
/ mortality
/ Neophron percnopterus
/ Poisoning
/ Populations
/ Power lines
/ Public awareness
/ RESEARCH ARTICLE
/ ring loss
/ Risk reduction
/ stakeholders
/ Survival
/ vultures
/ Wildlife conservation
2019
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Evaluating European LIFE conservation projects: Improvements in survival of an endangered vulture
by
Suarez‐Pérez, Alejandro
, Luzardo, Octavio P
, Sanz Aguilar, Ana
, Gangoso, Laura
, Donázar, José Antonio
, García Alfonso, Marina
, Overveld, Thijs van
, Departamentos de la UMH::Biología Aplicada
, Badia Boher, Jaume Adrià
, de la Riva, Manuel
in
Accidents
/ Accounting
/ adults
/ Biodiversity
/ biodiversity conservation
/ Birds
/ Capture-recapture studies
/ capture–recapture
/ Collision mortality
/ color
/ Conservation
/ conservation programme success
/ conservation programs
/ death
/ Education
/ Egyptian vulture
/ Electrocutions
/ Endangered species
/ Environmental education
/ Environmental effects
/ Foreign languages
/ human population
/ Human populations
/ islands
/ Juveniles
/ long‐term monitoring
/ Materials recovery
/ monitoring
/ mortality
/ Neophron percnopterus
/ Poisoning
/ Populations
/ Power lines
/ Public awareness
/ RESEARCH ARTICLE
/ ring loss
/ Risk reduction
/ stakeholders
/ Survival
/ vultures
/ Wildlife conservation
2019
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Do you wish to request the book?
Evaluating European LIFE conservation projects: Improvements in survival of an endangered vulture
by
Suarez‐Pérez, Alejandro
, Luzardo, Octavio P
, Sanz Aguilar, Ana
, Gangoso, Laura
, Donázar, José Antonio
, García Alfonso, Marina
, Overveld, Thijs van
, Departamentos de la UMH::Biología Aplicada
, Badia Boher, Jaume Adrià
, de la Riva, Manuel
in
Accidents
/ Accounting
/ adults
/ Biodiversity
/ biodiversity conservation
/ Birds
/ Capture-recapture studies
/ capture–recapture
/ Collision mortality
/ color
/ Conservation
/ conservation programme success
/ conservation programs
/ death
/ Education
/ Egyptian vulture
/ Electrocutions
/ Endangered species
/ Environmental education
/ Environmental effects
/ Foreign languages
/ human population
/ Human populations
/ islands
/ Juveniles
/ long‐term monitoring
/ Materials recovery
/ monitoring
/ mortality
/ Neophron percnopterus
/ Poisoning
/ Populations
/ Power lines
/ Public awareness
/ RESEARCH ARTICLE
/ ring loss
/ Risk reduction
/ stakeholders
/ Survival
/ vultures
/ Wildlife conservation
2019
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Evaluating European LIFE conservation projects: Improvements in survival of an endangered vulture
Journal Article
Evaluating European LIFE conservation projects: Improvements in survival of an endangered vulture
2019
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Overview
Long‐lived avian scavengers are threatened worldwide and thus, are common targets of conservation plans. However, scientific evidence of both the factors limiting populations and effectiveness of management actions are greatly needed in order to develop more efficient and successful conservation strategies. We assessed the effectiveness of conservation actions applied within a LIFE‐Nature project aimed at improving the long‐term survival of the critically endangered Canarian Egyptian vulture: including education campaigns for public awareness and control of illegal poisoning and the modification of power lines to reduce the risk of accidents. We formulated a multievent capture–mark–recapture model to obtain estimates of survival for juvenile, subadult and adult birds accounting for probabilities of resight, recovery and losses of metal and colour rings. Models supported a substantial enhancement in survival for subadult and adult birds and a moderate improvement for juveniles after the implementation of LIFE actions. Ring loss probabilities became notably high in the middle to long term. Poisoning events became very rare after LIFE was implemented, suggesting a positive effect of environmental education and awareness campaigns. Entanglements and collisions in power lines were also efficiently mitigated. Instead, electrocutions became the most identified cause of death in the post‐LIFE stage. Synthesis and applications. Our results highlight the improvement of survival in a threatened island vulture population after the implementation of a European LIFE conservation project. On small islands, with small human populations and few stakeholders, education and awareness campaigns can be especially effective for biodiversity conservation. We also demonstrate the need to complement conservation programmes with long‐term monitoring, which is essential to evaluate the effectiveness of actions, especially for long‐lived species. Foreign Language Resumen Las aves carroñeras de larga vida están amenazadas a nivel mundial y por ello son objeto de numerosos planes de conservación. Sin embargo, para mejorar la eficiencia y el éxito de los planes de conservación, se requieren más estudios científicos que evalúen los factores que limitan sus poblaciones y la efectividad de las diferentes estrategias de conservación. Hemos evaluado la eficacia de las acciones de conservación llevadas a cabo dentro del marco de un proyecto LIFE para mejorar la supervivencia a largo plazo del alimoche canario, una subespecie en peligro crítico de extinción: —campañas de sensibilización y divulgación para reducir el uso de venenos y modificación de tendidos eléctricos para reducir el riesgo de accidentes—. Para ello, hemos desarrollado un modelo multievento de captura‐recaptura que permite estimar la supervivencia de juveniles, subadultos y adultos teniendo en cuenta las probabilidades de observación, recuperación de cadáveres y pérdida de anillas de metal y PVC. Los modelos mostraron un considerable aumento de la supervivencia de subadultos y adultos, junto con un ligero aumento de la supervivencia de juveniles, tras la implementación de las acciones del proyecto LIFE. La probabilidad de pérdida de anillas fue alta a medio‐largo plazo. Tras la implementación del programa LIFE las muertes por envenenamiento pasaron a ser escasas, lo que sugiere un efecto positivo de las campañas de sensibilización y divulgación. Las colisiones y los enganches en tendidos eléctricos también fueron mitigados de forma efectiva. Por el contrario, las muertes por electrocución no cesaron, convirtiéndose así en la principal causa de mortalidad detectada. Síntesis y aplicaciones. Nuestros resultados destacan el aumento de supervivencia en una especie amenazada ‐ una población insular de alimoche ‐ tras la implementación de un proyecto LIFE europeo. En islas pequeñas, con poca población humana y un número reducido de agentes sociales, las campañas de sensibilización y divulgación pueden resultar especialmente efectivas para garantizar la conservación de la biodiversidad. Es necesario complementar los programas de conservación con seguimientos a largo plazo para evaluar la efectividad de sus acciones, especialmente en el caso de especies de larga vida. Our results highlight the improvement of survival in a threatened island vulture population after the implementation of a European LIFE conservation project. On small islands, with small human populations and few stakeholders, education and awareness campaigns can be especially effective for biodiversity conservation. We also demonstrate the need to complement conservation programmes with long‐term monitoring, which is essential to evaluate the effectiveness of actions, especially for long‐lived species.
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