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Our aim was to assess the effect of environmental factors on short temporal abundance variations of the two most abundant native rodents of agricultural agroecosystems, Akodon azarae and Calomys laucha. We conducted a 3-year longitudinal sampling of rodents, and recorded meteorological data such as temperature and precipitation, predation rate by Leopardus geoffroyi, Tyto furcata and Athene cunicularia, vegetation cover and height, characteristics of cropfields and their borders. The effect of these factors on rodent abundance was evaluated through generalized linear mixed models. Abundance variations of both rodent species were explained by characteristics of both cropfields and their borders. At the studied temporal scale, meteorological variables did not have a direct effect on abundance variations, but probably influenced through vegetation characteristics and were expressed in seasonal variations. For A. azarae there was also an effect of predation by L. geoffroyi (positive) and T. furcata (negative), while predation by A. cunicularia did not contribute to explain abundance variations of any species. © 2018 Ecological Society of Australia


Documento: Artículo
Título:Effect of environmental factors on the abundance variations of two native rodents in agricultural systems of Buenos Aires, Argentina
Autor:Guidobono, J.S.; Cueto, G.R.; Teta, P.; Busch, M.
Filiación:Instituto de Ecología, Genética y Evolución de Buenos Aires (IEGEBA), CONICET – Universidad de Buenos Aires, Ciudad Universitaria, Intendente Güiraldes 2160, Pabellón II, 4° piso, Cuidad Autónoma de Buenos Aires, Buenos Aires C1428EGA, Argentina
División Mastozoología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Buenos Aires, Argentina
Palabras clave:environment; GLMM; populations; predation; rodents; abundance; agricultural ecosystem; environmental factor; farming system; felid; predation; rodent; seasonal variation; vegetation cover; Argentina; Buenos Aires [Argentina]; Akodon azarae; Athene cunicularia; Calomys laucha; Lueheia; Oncifelis geoffroyi; Rodentia; Tyto
Página de inicio:36
Página de fin:48
Título revista:Austral Ecology
Título revista abreviado:Austral Ecol.


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---------- APA ----------
Guidobono, J.S., Cueto, G.R., Teta, P. & Busch, M. (2019) . Effect of environmental factors on the abundance variations of two native rodents in agricultural systems of Buenos Aires, Argentina. Austral Ecology, 44(1), 36-48.
---------- CHICAGO ----------
Guidobono, J.S., Cueto, G.R., Teta, P., Busch, M. "Effect of environmental factors on the abundance variations of two native rodents in agricultural systems of Buenos Aires, Argentina" . Austral Ecology 44, no. 1 (2019) : 36-48.
---------- MLA ----------
Guidobono, J.S., Cueto, G.R., Teta, P., Busch, M. "Effect of environmental factors on the abundance variations of two native rodents in agricultural systems of Buenos Aires, Argentina" . Austral Ecology, vol. 44, no. 1, 2019, pp. 36-48.
---------- VANCOUVER ----------
Guidobono, J.S., Cueto, G.R., Teta, P., Busch, M. Effect of environmental factors on the abundance variations of two native rodents in agricultural systems of Buenos Aires, Argentina. Austral Ecol. 2019;44(1):36-48.