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Abstract:

The aim of this study was to analyze and compare vigilance behavior and intermittent locomotion at two sites (El Leoncito and Ñacuñán, Argentina) that differ in predation risk, plant structure, and plant resource availability. Subjects were lesser cavies (Microcavia australis), a social species that is semi-fossorial, diurnal, and native to South America. Continuous focal sampling was conducted during the day, at times of food shortage, food abundance, and reproduction from 2003 to 2005. The proportion of time spent vigilance was significantly higher at Ñacuñán, where vigilance peaked at midday and reached a minimum in the evening. This midday peak of vigilance at Ñacuñán was associated with a midday peak of danger from raptors as indicated by a raptor activity peak at that time. In contrast, both vigilance and predator activity at El Leoncito were constant through the day. Records of intermittent locomotion and number and duration of pauses in locomotion were significantly higher at El Leoncito, a difference that may have been due to the need for greater vigilance while moving across areas of less protective cover at this site. © 2010 Springer-Verlag and ISPA.

Registro:

Documento: Artículo
Título:Influence of predation risk and plant structure on vigilance and intermittent locomotion in Microcavia australis (Rodentia, Caviidae)
Autor:Taraborelli, P.; Moreno, P.; Srur, A.; Carballido, C.; Giannoni, S.M.
Filiación:Grupo de Investigaciones de la Biodiversidad, Instituto Argentino de Investigaciones de Zonas Áridas, CCT, CONICET, Av. Ruiz Leal s/n,Parque General San Martín, CC 507, CP 5500 Mendoza, Argentina
Instituto y Museo de Ciencias Naturales, Universidad Nacional de San Juan, Av. España 400 Norte, San Juan CP 5400, Argentina
Dendrocronología-IANIGLA-CCT, CONICET, Mendoza CP 5500, Argentina
Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires C1428EGA, Argentina
Palabras clave:Intermittent locomotion; Microcavia australis; Plant structure; Predation risk; Vigilance; Caviidae; Microcavia australis; Raptores; Rodentia
Año:2011
Volumen:14
Número:1
Página de inicio:27
Página de fin:33
DOI: http://dx.doi.org/10.1007/s10211-010-0087-0
Título revista:Acta Ethologica
Título revista abreviado:Acta Ethol.
ISSN:08739749
CODEN:AECTD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08739749_v14_n1_p27_Taraborelli

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Citas:

---------- APA ----------
Taraborelli, P., Moreno, P., Srur, A., Carballido, C. & Giannoni, S.M. (2011) . Influence of predation risk and plant structure on vigilance and intermittent locomotion in Microcavia australis (Rodentia, Caviidae). Acta Ethologica, 14(1), 27-33.
http://dx.doi.org/10.1007/s10211-010-0087-0
---------- CHICAGO ----------
Taraborelli, P., Moreno, P., Srur, A., Carballido, C., Giannoni, S.M. "Influence of predation risk and plant structure on vigilance and intermittent locomotion in Microcavia australis (Rodentia, Caviidae)" . Acta Ethologica 14, no. 1 (2011) : 27-33.
http://dx.doi.org/10.1007/s10211-010-0087-0
---------- MLA ----------
Taraborelli, P., Moreno, P., Srur, A., Carballido, C., Giannoni, S.M. "Influence of predation risk and plant structure on vigilance and intermittent locomotion in Microcavia australis (Rodentia, Caviidae)" . Acta Ethologica, vol. 14, no. 1, 2011, pp. 27-33.
http://dx.doi.org/10.1007/s10211-010-0087-0
---------- VANCOUVER ----------
Taraborelli, P., Moreno, P., Srur, A., Carballido, C., Giannoni, S.M. Influence of predation risk and plant structure on vigilance and intermittent locomotion in Microcavia australis (Rodentia, Caviidae). Acta Ethol. 2011;14(1):27-33.
http://dx.doi.org/10.1007/s10211-010-0087-0