Natal philopatry and breeding systems in voles ( Microtus spp.).

R. Boonstra, C. J. Krebs, Michael Gaines, M. L. Johnson, I. T M Craine

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

In all 5 species, similar or larger proportions of males than females remained near the natal site as immature animals and both sexes moved similar distances from the natal site if they remained immature. In the mainland species of voles - M. californicus, M. ochrogaster, M. pennsylvanicus, M. townsendii - about twice as many females as males matured near their natal site regardless of whether the mating system was monogamous or polygynous, suggesting that females in both monogamous and polygynous species primarily compete for resources, and males compete for access to females. In the island species, M. breweri, and in enclosed populations (some with and some without an opportunity to disperse) of M. ochrogaster, M. pennsylvanicus and M. townsendii, similar proportions of males and females remained near the natal site as mature animals. Thus preventing or reducing dispersal eliminated the bias towards female philopatry. Nevertheless, in all of these species, mature males still moved about twice as far from the natal sites as females. Males in polygynous species from control populations, if they did mature within the population, tended to move farther from the natal site than females; males in the one monogamous species showed no such difference. Thus, though male-male competition may be a primary cause of male dispersal, inbreeding avoidance may be a secondary cause. The basic social organization in females (all species) is probably based on female kin cluster. -from Authors

Original languageEnglish
Pages (from-to)655-673
Number of pages19
JournalJournal of Animal Ecology
Volume56
Issue number2
StatePublished - Dec 1 1987
Externally publishedYes

Fingerprint

philopatry
Microtus
reproductive strategy
breeding
immatures
voles
inbreeding avoidance
animal
social organization
social structure
mating systems
inbreeding
animals

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology

Cite this

Boonstra, R., Krebs, C. J., Gaines, M., Johnson, M. L., & Craine, I. T. M. (1987). Natal philopatry and breeding systems in voles ( Microtus spp.). Journal of Animal Ecology, 56(2), 655-673.

Natal philopatry and breeding systems in voles ( Microtus spp.). / Boonstra, R.; Krebs, C. J.; Gaines, Michael; Johnson, M. L.; Craine, I. T M.

In: Journal of Animal Ecology, Vol. 56, No. 2, 01.12.1987, p. 655-673.

Research output: Contribution to journalArticle

Boonstra, R, Krebs, CJ, Gaines, M, Johnson, ML & Craine, ITM 1987, 'Natal philopatry and breeding systems in voles ( Microtus spp.).', Journal of Animal Ecology, vol. 56, no. 2, pp. 655-673.
Boonstra R, Krebs CJ, Gaines M, Johnson ML, Craine ITM. Natal philopatry and breeding systems in voles ( Microtus spp.). Journal of Animal Ecology. 1987 Dec 1;56(2):655-673.
Boonstra, R. ; Krebs, C. J. ; Gaines, Michael ; Johnson, M. L. ; Craine, I. T M. / Natal philopatry and breeding systems in voles ( Microtus spp.). In: Journal of Animal Ecology. 1987 ; Vol. 56, No. 2. pp. 655-673.
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