Life cycle characteristics of northern Peromyscus maniculatus borealis
- 1 April 1982
- journal article
- research article
- Published by Canadian Science Publishing in Canadian Journal of Zoology
- Vol. 60 (4) , 510-515
- https://doi.org/10.1139/z82-076
Abstract
Life cycle characteristics of northern P. m. borealis were examined in the laboratory to identify specific adaptations to strongly seasonal environmental conditions. Although northern P. m. borealis are demographically K selected, body weight (19.2 g), gestation time (26.3 days for postpartum litters), litter size (5.0), birth weight (1.87 g), age at weaning (21.4 days), weight at weaning (9.26 g), growth rates (0.35 g/day) and energy requirements for lactation (181% increase attributable to 5 offspring) are all similar to those of other subspecies of P. maniculatus. General demographic conditions do not appear to have been important in the evolution of the life cycle characteristics of P. maniculatus.Keywords
This publication has 1 reference indexed in Scilit:
- Behavioral structure and demography of subarctic Clethrionomys gapperi and Peromyscus maniculatusCanadian Journal of Zoology, 1979