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Revista mexicana de biodiversidad
versión On-line ISSN 2007-8706versión impresa ISSN 1870-3453
Resumen
CARRILLO-REYES, Arturo et al. Home range dynamics of the Tehuantepec Jackrabbit in Oaxaca, Mexico. Rev. Mex. Biodiv. [online]. 2010, vol.81, n.1, pp.143-151. ISSN 2007-8706.
Information on the spatial ecology of the Tehuantepec jackrabbit (Lepus flavigularis) is important for developing management strategies to preserve it in its habitat. We radio-collared and monitored 60 jackrabbits from May 2006 to April 2008. We estimated annual and seasonal home ranges and core areas by using the fixed-kernel isopleth to 95% and 50% of confidence, respectively. This jackrabbit showed a highly variable seasonal home range: 1.13 ha to 152.61 ha for females and 0.20 ha to 71.87 ha for males. Annual and seasonal home ranges and core areas of females were significantly wider than male home ranges. There was considerable overlap of ranges within and between sexes, with the home range of each jackrabbit overlapping with the ranges of 1 to 46 other individuals. Home range and overlap analysis confirms that the Tehuantepec jackrabbit is a polygamous and non-territorial species. Conservation of savannas and grassy dunes is indispensable to assure the survival of the species.
Palabras llave : Lepus flavigularis; home range; core area.