Journal article
Home range and habitat selection by a threatened bat in exotic plantation forest
Forest Ecology and Management, Vol.262(5), pp.845-852
2011
Abstract
Individuals' home ranges are constrained by resource distribution and density, population size, and energetic requirements. Consequently, home ranges and habitat selection may vary between individuals of different sex and reproductive conditions. Whilst home ranges of bats are well-studied in native habitats, they are often not well understood in modified landscapes, particularly exotic plantation forests. Although Chalinolobus tuberculatus (Vespertilionidae, Chiroptera) are present in plantation forests throughout New Zealand their home ranges have only been studied in native forest and forest-agricultural mosaic and no studies of habitat selection that included males had occurred in any habitat type. Therefore, we investigated C. tuberculatus home range and habitat selection within exotic plantation forest. Home range sizes did not differ between bats of different reproductive states. Bats selected home ranges with higher proportions of relatively old forest than was available. Males selected edges with open unplanted areas within their home ranges, which females avoided. We suggest males use these edges, highly profitable foraging areas with early evening peaks in invertebrate abundance, to maintain relatively low energetic demands. Females require longer periods of invertebrate activity to fulfil their needs so select older stands for foraging, where invertebrate activity is higher. These results highlight additional understanding gained when data are not pooled across sexes. Mitigation for harvest operations could include ensuring that areas suitable for foraging and roosting are located within a radius equal to the home range of this bat species.
Details
- Title
- Home range and habitat selection by a threatened bat in exotic plantation forest
- Authors
- Kerry M Borkin (Author) - University of AucklandStuart Parsons (Author) - University of Auckland
- Publication details
- Forest Ecology and Management, Vol.262(5), pp.845-852
- Publisher
- Elsevier BV
- DOI
- 10.1016/j.foreco.2011.05.018
- ISSN
- 1872-7042
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99576108702621
- Output Type
- Journal article
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- Forestry
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