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Supervivencia de la liebre Ibérica (Lepus granatensis Rosenhauer, 1856) en el Parque Nacional de Doñana durante una época de inundaciones.

Authors: Carro Mariño, Francisco; Beltrán Gala, Juan Francisco; Márquez Jiménez, Francisco José; Pérez Jiménez, Jesús María; Soriguer Escofet, Ramón C.;

Supervivencia de la liebre Ibérica (Lepus granatensis Rosenhauer, 1856) en el Parque Nacional de Doñana durante una época de inundaciones.

Abstract

Desde agosto de 1996 hasta septiembre de 1997, coincidiendo con una época de fuerte inundación invernal, se han estudiado los patrones de supervivencia (mediante marcaje individual en las orejas y por radioemisores) de la liebre ibérica (Lepus granatensis Rosenhauer, 1856) en dos zonas, Marisma-Veta y Vera, del Parque Nacional de Doñana con diferentes características botánicas y fisiográficas. Además, durante las inundaciones una zona tenía posibilidades de migración (Vera) y la otra no. También se analiza la supervivencia en función del sexo. Sólo se han considerado los individuos adultos. Aplicando el test de Kaplan-Meier se ha establecido, para el citado periodo, una supervivencia del 38% para un periodo de 141 días en la Marisma y 22% para un periodo de 244 días en la Vera. No se han encontrado diferencias significativas mediante el test de Mantel-Cox. La supervivencia por sexos varia del 29% en machos al 26% en hembras, sin apreciarse tampoco diferencias significativas. Se discuten estos resultados y se comparan con otras especies de liebres.

A total of 29 hares (14 in the marshland and 15 in the ecotone zone) were tagged and marked with radiocollar during the summer of 1996. The periodic study finish in September 1997. An unusually hight rainfall, during the fall of 1996, produced a long winter flooding of the lowland. The estimated survival of the hares (following the Kaplan-Meier method) for the periodic study was 38% (marshland) for a period of 141 days and 22% (ecotone) for a period of 220 days. No significant differences were observed (Mantel-Cox test). By sex, the survival was variable (29,17% for males and 26,61% for females). No significant differences were observed. The low survival rate observed in this study was compared with another hare species and habitats.

Programa Sectorial de Promoción General del Conocimiento (DGICYT), Ministerio de Educación y Ciencia de España APC96-0075

Junta de Andalucía. Grupo RNM 0118

Country
Spain
Keywords

Inundación, Survival rate, Supervivencia, Parque Nacional de Doñana, Lepus granatensis, Mediterranean hare, Marisma, Liebre ibérica, Flood, Doñana National Park

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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