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Abstract:

Small mammals usually constitute the main prey for Leopardus geoffroyi throughout its distribution. We studied the patterns of small rodent selection by this felid in a semi-arid scrubland of central Argentina, addressing whether prey choice may be related to the availability, morphology, and distribution of the different rodent species. Cat's diet was studied during 2005-2006 through the analysis of 182 scats, along with field estimates of rodent abundances from trapping. The cricetine rodents Akodon molinae and Calomys musculinus were predated according to the availability expected by trapping, indicating that their use was opportunistic. Akodon azarae and Graomys griseoflavus, on one hand, and Eligmodontia typus, on the other hand, were consumed in lower and higher proportion than their availabilities, respectively. Our results suggest that some cricetine rodent characteristics such as abundance, escape ability, microhabitat use, and activity period, appear to be potential factors contributing to differential vulnerability to predation by Geoffroy's cat in central Argentina. © 2011 Elsevier Ltd.

Registro:

Documento: Artículo
Título:Rodent selection by Geoffroy's cats in a semi-arid scrubland of central Argentina
Autor:Bisceglia, S.B.C.; Pereira, J.A.; Teta, P.; Quintana, R.D.
Filiación:Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Intendente Guiraldes 2160, Pabellon II CP 1428, Buenos Aires, Argentina
Asociación para la Conservación y el Estudio de la Naturaleza (ACEN), Ruta 4 km 5, 5 - Los Cardales (2814), Provincia de Buenos Aires, Argentina
Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Avenida Ángel Gallardo 470, C1405DJR Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas Conicet, Argentina
Palabras clave:Leopardus geoffroyi; Monte desert; Prey selection; Prey vulnerability; Small rodents; abundance; felid; habitat use; microhabitat; morphology; population distribution; prey availability; prey preference; prey selection; rodent; scrub; semiarid region; spatiotemporal analysis; vulnerability; Argentina; Mendoza; Monte Desert; Akodon azarae; Akodon molinae; Calomys musculinus; Eligmodontia typus; Felidae; Graomys griseoflavus; Mammalia; Oncifelis geoffroyi; Rodentia
Año:2011
Volumen:75
Número:11
Página de inicio:1024
Página de fin:1028
DOI: http://dx.doi.org/10.1016/j.jaridenv.2011.03.016
Título revista:Journal of Arid Environments
Título revista abreviado:J. Arid Environ.
ISSN:01401963
CODEN:JAEND
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01401963_v75_n11_p1024_Bisceglia

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Citas:

---------- APA ----------
Bisceglia, S.B.C., Pereira, J.A., Teta, P. & Quintana, R.D. (2011) . Rodent selection by Geoffroy's cats in a semi-arid scrubland of central Argentina. Journal of Arid Environments, 75(11), 1024-1028.
http://dx.doi.org/10.1016/j.jaridenv.2011.03.016
---------- CHICAGO ----------
Bisceglia, S.B.C., Pereira, J.A., Teta, P., Quintana, R.D. "Rodent selection by Geoffroy's cats in a semi-arid scrubland of central Argentina" . Journal of Arid Environments 75, no. 11 (2011) : 1024-1028.
http://dx.doi.org/10.1016/j.jaridenv.2011.03.016
---------- MLA ----------
Bisceglia, S.B.C., Pereira, J.A., Teta, P., Quintana, R.D. "Rodent selection by Geoffroy's cats in a semi-arid scrubland of central Argentina" . Journal of Arid Environments, vol. 75, no. 11, 2011, pp. 1024-1028.
http://dx.doi.org/10.1016/j.jaridenv.2011.03.016
---------- VANCOUVER ----------
Bisceglia, S.B.C., Pereira, J.A., Teta, P., Quintana, R.D. Rodent selection by Geoffroy's cats in a semi-arid scrubland of central Argentina. J. Arid Environ. 2011;75(11):1024-1028.
http://dx.doi.org/10.1016/j.jaridenv.2011.03.016