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Mastozoología neotropical
versión impresa ISSN 0327-9383versión On-line ISSN 1666-0536
Resumen
BRAGA, Caryne et al. CORNFIELD EFFECTS ON BREEDING AND ABUNDANCE OF Oligoryzomys nigripes (RODENTIA: SIGMODONTINAE). Mastozool. neotrop. [online]. 2020, vol.27, n.2, pp.234-240. Epub 02-Oct-2020. ISSN 0327-9383.
Small rodents rely on resource gathering during the breeding season to support their reproductive output and offspring survival. Since croplands may provide complementary food sources, we evaluated the influence of the presence of cornfield on the forest edge in Oligoryzomys nigripes (Olfers, 1818) abundance and breeding. We found that abundance, proportion of reproductive females and males, as well as the number of juveniles were higher in the cornfield-forest edges, with no seasonality, a pattern divergent from the seasonal reproduction described for the species. Therefore, our results supported the hypothesis of cornfields benefiting O. nigripes abundance and breeding success.
Palabras clave : agriculture impact; Cricetidae; edge effect; reproduction; rodents.