A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia
- Autores
- Fluck, Werner Thomas; Smith Flueck, Jo Anne M.; Bonino, Never A.
- Año de publicación
- 2005
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The red deer (Cervus elaphus), among the world’s 14 most invasive exotic mammals, has recently arrived in Patagonia. Forty-seven deer were captured, marked with radio collars, and monitored in order to determine survival rates and identify causes of death. Net gunning from a helicopter allowed captures to be evenly distributed through the study area and in a timely manner. The absence of capture related mortality in our study agrees with previously reported low rates for this method. Animals were monitored for periods ranging from 5 to 2611 days. Ten animals provided censored values due to radio failures or being shot: they survived on average 811 days (SE = 221) after capture. Ten animals experienced natural deaths with an average time alive after capture of 413 days (SE = 106): eight were killed by puma (Puma concolor). The remaining 27 animals were alive for an average of 974 days (SE = 52). Twenty-one percent of the animals died naturally during 38.549 deer-days. Using the Kaplan-Meier procedure, the annual survival rates for the years 2001-2003 were 0.89, 0.91 and 0.92 respectively (n = 47); the average annual survival rate being 91%. Although predation was the most important cause of adult mortality, all mortality sources combined (puma predation, legal and illegal hunting, disease, emigration) have not maintained deer population density low enough to prevent food limitation from occurring in the recent past.
El ciervo colorado (Cervus elaphus), uno de los 14 mamíferos exóticos más invasores, llegó a la Patagonia recientemente. Cuarenta y siete ciervos fueron capturados, marcados con radio transmisores y monitoreados para determinar la tasa de supervivencia e identificar causas de muerte. El método de lanzamiento de redes desde un helicóptero permitió que las capturas fueran distribuidas en toda el área de estudio y en corto tiempo. La ausencia de mortalidades relacionadas a este método coincide con las bajas tasas reportadas. El monitoreo de los animales alcanzó periodos de entre 5 y 2611 días. Diez animales proveyeron valores restringidos (censored values) debido a radios fallados o por haber sido cazados: sobrevivieron un promedio de 811 días (ES = 221). Diez animales murieron por causas naturales con un promedio de vida de 413 días (ES = 106) después de la captura: ocho fueron depredados por puma (Puma concolor). Los restantes 27 animales vivieron un promedio de 974 días (ES = 52). El 21% de los animales murió por causas naturales dentro de los 38.549 días-ciervo. Aplicando el método Kaplan-Meier, las tasas anuales de supervivencia para el periodo 2001-2003 fueron 0.89, 0.91 y 0.92 respectivamente (n = 47); la tasa promedio anual fue del 91%. Aunque la depredación por puma resultó ser la causa principal de muerte de ciervos adultos, todas las fuentes de mortalidad combinadas (depredación, caza ilegal y legal, enfermedades, emigración) no han logrado mantener la densidad lo suficientemente baja en el pasado como para prevenir una limitación poblacional por falta de forraje.
Fil: Fluck, Werner Thomas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Administración de Parques Nacionales. Parque Nacional "Nahuel Huapi"; Argentina
Fil: Smith Flueck, Jo Anne M.. Universidad Nacional del Comahue; Argentina
Fil: Bonino, Never A.. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Patagonia Norte. Estación Experimental Agropecuaria San Carlos de Bariloche; Argentina - Materia
-
cervus elaphus
mortality
Patagonia - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/273945
Ver los metadatos del registro completo
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A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern PatagoniaUn análisis preliminar de causas de mortalidad, mortandad relacionada a capturas y supervivencia en adultos de ciervo colorado en el noroeste de la PatagoniaFluck, Werner ThomasSmith Flueck, Jo Anne M.Bonino, Never A.cervus elaphusmortalityPatagoniahttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The red deer (Cervus elaphus), among the world’s 14 most invasive exotic mammals, has recently arrived in Patagonia. Forty-seven deer were captured, marked with radio collars, and monitored in order to determine survival rates and identify causes of death. Net gunning from a helicopter allowed captures to be evenly distributed through the study area and in a timely manner. The absence of capture related mortality in our study agrees with previously reported low rates for this method. Animals were monitored for periods ranging from 5 to 2611 days. Ten animals provided censored values due to radio failures or being shot: they survived on average 811 days (SE = 221) after capture. Ten animals experienced natural deaths with an average time alive after capture of 413 days (SE = 106): eight were killed by puma (Puma concolor). The remaining 27 animals were alive for an average of 974 days (SE = 52). Twenty-one percent of the animals died naturally during 38.549 deer-days. Using the Kaplan-Meier procedure, the annual survival rates for the years 2001-2003 were 0.89, 0.91 and 0.92 respectively (n = 47); the average annual survival rate being 91%. Although predation was the most important cause of adult mortality, all mortality sources combined (puma predation, legal and illegal hunting, disease, emigration) have not maintained deer population density low enough to prevent food limitation from occurring in the recent past.El ciervo colorado (Cervus elaphus), uno de los 14 mamíferos exóticos más invasores, llegó a la Patagonia recientemente. Cuarenta y siete ciervos fueron capturados, marcados con radio transmisores y monitoreados para determinar la tasa de supervivencia e identificar causas de muerte. El método de lanzamiento de redes desde un helicóptero permitió que las capturas fueran distribuidas en toda el área de estudio y en corto tiempo. La ausencia de mortalidades relacionadas a este método coincide con las bajas tasas reportadas. El monitoreo de los animales alcanzó periodos de entre 5 y 2611 días. Diez animales proveyeron valores restringidos (censored values) debido a radios fallados o por haber sido cazados: sobrevivieron un promedio de 811 días (ES = 221). Diez animales murieron por causas naturales con un promedio de vida de 413 días (ES = 106) después de la captura: ocho fueron depredados por puma (Puma concolor). Los restantes 27 animales vivieron un promedio de 974 días (ES = 52). El 21% de los animales murió por causas naturales dentro de los 38.549 días-ciervo. Aplicando el método Kaplan-Meier, las tasas anuales de supervivencia para el periodo 2001-2003 fueron 0.89, 0.91 y 0.92 respectivamente (n = 47); la tasa promedio anual fue del 91%. Aunque la depredación por puma resultó ser la causa principal de muerte de ciervos adultos, todas las fuentes de mortalidad combinadas (depredación, caza ilegal y legal, enfermedades, emigración) no han logrado mantener la densidad lo suficientemente baja en el pasado como para prevenir una limitación poblacional por falta de forraje.Fil: Fluck, Werner Thomas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Administración de Parques Nacionales. Parque Nacional "Nahuel Huapi"; ArgentinaFil: Smith Flueck, Jo Anne M.. Universidad Nacional del Comahue; ArgentinaFil: Bonino, Never A.. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Patagonia Norte. Estación Experimental Agropecuaria San Carlos de Bariloche; ArgentinaAsociación Argentina de Ecología2005-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/273945Fluck, Werner Thomas; Smith Flueck, Jo Anne M.; Bonino, Never A.; A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia; Asociación Argentina de Ecología; Ecologia Austral; 15; 1; 12-2005; 23-300327-5477CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1473info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-29T12:15:29Zoai:ri.conicet.gov.ar:11336/273945instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-29 12:15:30.115CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia Un análisis preliminar de causas de mortalidad, mortandad relacionada a capturas y supervivencia en adultos de ciervo colorado en el noroeste de la Patagonia |
| title |
A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia |
| spellingShingle |
A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia Fluck, Werner Thomas cervus elaphus mortality Patagonia |
| title_short |
A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia |
| title_full |
A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia |
| title_fullStr |
A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia |
| title_full_unstemmed |
A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia |
| title_sort |
A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia |
| dc.creator.none.fl_str_mv |
Fluck, Werner Thomas Smith Flueck, Jo Anne M. Bonino, Never A. |
| author |
Fluck, Werner Thomas |
| author_facet |
Fluck, Werner Thomas Smith Flueck, Jo Anne M. Bonino, Never A. |
| author_role |
author |
| author2 |
Smith Flueck, Jo Anne M. Bonino, Never A. |
| author2_role |
author author |
| dc.subject.none.fl_str_mv |
cervus elaphus mortality Patagonia |
| topic |
cervus elaphus mortality Patagonia |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
| dc.description.none.fl_txt_mv |
The red deer (Cervus elaphus), among the world’s 14 most invasive exotic mammals, has recently arrived in Patagonia. Forty-seven deer were captured, marked with radio collars, and monitored in order to determine survival rates and identify causes of death. Net gunning from a helicopter allowed captures to be evenly distributed through the study area and in a timely manner. The absence of capture related mortality in our study agrees with previously reported low rates for this method. Animals were monitored for periods ranging from 5 to 2611 days. Ten animals provided censored values due to radio failures or being shot: they survived on average 811 days (SE = 221) after capture. Ten animals experienced natural deaths with an average time alive after capture of 413 days (SE = 106): eight were killed by puma (Puma concolor). The remaining 27 animals were alive for an average of 974 days (SE = 52). Twenty-one percent of the animals died naturally during 38.549 deer-days. Using the Kaplan-Meier procedure, the annual survival rates for the years 2001-2003 were 0.89, 0.91 and 0.92 respectively (n = 47); the average annual survival rate being 91%. Although predation was the most important cause of adult mortality, all mortality sources combined (puma predation, legal and illegal hunting, disease, emigration) have not maintained deer population density low enough to prevent food limitation from occurring in the recent past. El ciervo colorado (Cervus elaphus), uno de los 14 mamíferos exóticos más invasores, llegó a la Patagonia recientemente. Cuarenta y siete ciervos fueron capturados, marcados con radio transmisores y monitoreados para determinar la tasa de supervivencia e identificar causas de muerte. El método de lanzamiento de redes desde un helicóptero permitió que las capturas fueran distribuidas en toda el área de estudio y en corto tiempo. La ausencia de mortalidades relacionadas a este método coincide con las bajas tasas reportadas. El monitoreo de los animales alcanzó periodos de entre 5 y 2611 días. Diez animales proveyeron valores restringidos (censored values) debido a radios fallados o por haber sido cazados: sobrevivieron un promedio de 811 días (ES = 221). Diez animales murieron por causas naturales con un promedio de vida de 413 días (ES = 106) después de la captura: ocho fueron depredados por puma (Puma concolor). Los restantes 27 animales vivieron un promedio de 974 días (ES = 52). El 21% de los animales murió por causas naturales dentro de los 38.549 días-ciervo. Aplicando el método Kaplan-Meier, las tasas anuales de supervivencia para el periodo 2001-2003 fueron 0.89, 0.91 y 0.92 respectivamente (n = 47); la tasa promedio anual fue del 91%. Aunque la depredación por puma resultó ser la causa principal de muerte de ciervos adultos, todas las fuentes de mortalidad combinadas (depredación, caza ilegal y legal, enfermedades, emigración) no han logrado mantener la densidad lo suficientemente baja en el pasado como para prevenir una limitación poblacional por falta de forraje. Fil: Fluck, Werner Thomas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Administración de Parques Nacionales. Parque Nacional "Nahuel Huapi"; Argentina Fil: Smith Flueck, Jo Anne M.. Universidad Nacional del Comahue; Argentina Fil: Bonino, Never A.. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Patagonia Norte. Estación Experimental Agropecuaria San Carlos de Bariloche; Argentina |
| description |
The red deer (Cervus elaphus), among the world’s 14 most invasive exotic mammals, has recently arrived in Patagonia. Forty-seven deer were captured, marked with radio collars, and monitored in order to determine survival rates and identify causes of death. Net gunning from a helicopter allowed captures to be evenly distributed through the study area and in a timely manner. The absence of capture related mortality in our study agrees with previously reported low rates for this method. Animals were monitored for periods ranging from 5 to 2611 days. Ten animals provided censored values due to radio failures or being shot: they survived on average 811 days (SE = 221) after capture. Ten animals experienced natural deaths with an average time alive after capture of 413 days (SE = 106): eight were killed by puma (Puma concolor). The remaining 27 animals were alive for an average of 974 days (SE = 52). Twenty-one percent of the animals died naturally during 38.549 deer-days. Using the Kaplan-Meier procedure, the annual survival rates for the years 2001-2003 were 0.89, 0.91 and 0.92 respectively (n = 47); the average annual survival rate being 91%. Although predation was the most important cause of adult mortality, all mortality sources combined (puma predation, legal and illegal hunting, disease, emigration) have not maintained deer population density low enough to prevent food limitation from occurring in the recent past. |
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2005 |
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2005-12 |
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http://hdl.handle.net/11336/273945 Fluck, Werner Thomas; Smith Flueck, Jo Anne M.; Bonino, Never A.; A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia; Asociación Argentina de Ecología; Ecologia Austral; 15; 1; 12-2005; 23-30 0327-5477 CONICET Digital CONICET |
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http://hdl.handle.net/11336/273945 |
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Fluck, Werner Thomas; Smith Flueck, Jo Anne M.; Bonino, Never A.; A preliminary analysis of cause-specific and capture-related mortality, and survival of adult red deer in northwestern Patagonia; Asociación Argentina de Ecología; Ecologia Austral; 15; 1; 12-2005; 23-30 0327-5477 CONICET Digital CONICET |
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eng |
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eng |
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application/pdf application/pdf |
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Asociación Argentina de Ecología |
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Asociación Argentina de Ecología |
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dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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