Silviculture and Wildlife: Snowshoe Hare Abundance across a Successional Sequence of Natural and Intensively Managed Forests

  • Sullivan T
  • Sullivan D
  • Lindgren P
  • et al.
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Abstract

We tested the hypotheses H 1 that relative habitat use by snowshoe hares ( Lepus americanus ) would have a bimodal distribution with the highest abundance in young lodgepole pine ( Pinus contorta ) stands (both managed and unmanaged), minimal numbers in mature forests, and moderate abundance in old-growth forests and H 2 that habitat use would increase in response to enhanced stand attributes from PCT (precommercial thinning) and fertilization treatments. Habitat use was measured by counts of fecal pellets of hares from 1999 to 2003 in forest stands in south-central British Columbia, Canada. Our results did not support the bimodal distribution of hares among coniferous stands, such that old-growth stands, at least in our region, do not provide sufficient habitat for hare populations. High-density (5000 to 13000 stems/ha) unthinned young lodgepole pine stands provide optimum habitat for hares in terms of overstory and stand structure. Thinned and fertilized stands may also provide habitat, particularly at densities ≤1000 stems/ha, and over time as understory conifers develop. Managed stands provided habitat for hares at the same level as mature stands, at 6–10 years after PCT. Maintenance of a range of managed and unmanaged stands in a landscape mosaic would be ideal for integration of silvicultural and wildlife management goals.

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Sullivan, T. P., Sullivan, D. S., Lindgren, P. M. F., & Ransome, D. B. (2012). Silviculture and Wildlife: Snowshoe Hare Abundance across a Successional Sequence of Natural and Intensively Managed Forests. ISRN Ecology, 2012, 1–10. https://doi.org/10.5402/2012/593103

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