Ambient temperature limits above-ground activity of the subterranean rodent Spalacopus cyanus

Enrico L. Rezende, Arturo Cortés, Leonardo D. Bacigalupe, Roberto F. Nespolo, Francisco Bozinovic

Resultado de la investigación: Contribución a una revistaArtículo

42 Citas (Scopus)

Resumen

We studied daily activity patterns of the subterranean rodent Spalacopus cyanus, in the field during summer and winter, and under laboratory conditions at two different temperatures, 15°C and 30°C. This rodent exhibited nocturnal activity in the laboratory, but diurnal aboveground activity in the field. We suggest that this discrepancy between field and laboratory results is a consequence of differential space-use inside burrows during the day, and that low external ambient temperatures appear to constrain activity of S. cyanus outside their burrows during the night in summer and winter. In contrast, we hypothesize that high summer temperatures constrain above-ground activity at midday.

Idioma originalInglés
Páginas (desde-hasta)63-74
Número de páginas12
PublicaciónJournal of Arid Environments
Volumen55
N.º1
DOI
EstadoPublicada - 1 sep 2003

Áreas temáticas de ASJC Scopus

  • Ecología, evolución, comportamiento y sistemática
  • Ecología
  • Procesos de la superficie terrestre

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