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Predators, energetics and fitness drive neonatal reproductive failure in red squirrels

Dates

Year
2015

Citation

Studd, Emily K., Boutin, Stan, McAdam, Andrew G., Krebs, Charles J., and Humphries, Murray M., 2015, Predators, energetics and fitness drive neonatal reproductive failure in red squirrels: Journal of Animal Ecology, v. 84, no. 1, p. 249-259.

Summary

Neonatal reproductive failure should occur when energetic costs of parental investment outweigh fitness benefits. However, little is known about the drivers of neonatal reproductive failure in free-ranging species experiencing continuous natural variation in predator abundance and in the energetic and fitness costs and benefits associated with parental investment., Long-term comprehensive studies are required to better understand how biotic, abiotic and life-history conditions interact to drive occurrences of reproductive failure in the wild., Using 24 years (1987-2011) of reproductive data from a northern boreal population of North American red squirrels in south-western Yukon, we examined the effects of predator abundance, energetics [...]

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  • LC MAP - Landscape Conservation Management and Analysis Portal
  • Northwest Boreal Landscape Conservation Cooperative

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NWBLCC20160627

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DOI http://sciencebase.gov/vocab/identifierScheme 10.1111/1365-2656.12279
ISSN http://sciencebase.gov/vocab/identifierScheme 00218790

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