Size and overlap of home range in Calomys musculinus [Muridae: Sigmodontinae]

• Autorzy: Steinmann A. R. , Priotto J.W. , Castillo E.A. , Polop J.J.
• Języki publikacji: EN

Abstrakty

EN

Home range size and overlap ofCalomys musculinus (Thomas, 1913) was examined in relation to sex and breeding periods. The study was carried out in four 0.25 ha enclosures, in a natural pasture, between October 2002 and July 2003. The four enclosures functioned as independent populations and each was considered a replicate. The capture, mark and recapture method was used. Home range size and overlap inC. musculinus depended on sex and period. Home range size of males was always larger than that of females. Females showed a small degree of intra-sexual home range overlap during the breeding period. In general, male home ranges overlapped with females. We conclude that differences in home range size inC. musculinus is determined by sex and breeding period. Moreover, the degree of inter- and intra-sexual home range overlap during the breeding period suggests that both males and females ofC. musculinus use space differently. Females did not share their home range with other females, while males fully shared it with both sexes, and male spacing is influenced by the distribution of females. A promiscuous-polygynous mating system is suggested forC. musculinus.

Słowa kluczowe

EN

Neotropical rodent; Sigmodontinae; Calomys musculinus; rodent species; Muridae; spacing behaviour; home range; overlap; space use; size

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 2005
• Tom: 50
• Numer: 2
• Opis fizyczny: p.197-206,fig.,ref.

Twórcy

autor

Steinmann A. R.

• Universidad Nacional de Rio Cuarto, Agencia Postal No 3, 5800, Rio Cuarto, Cordoba, Argentina

autor

Priotto J.W.

autor

Castillo E.A.

autor

Polop J.J.

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