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https://hdl.handle.net/2440/64494
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Type: | Journal article |
Title: | Demographic responses of an arboreal marsupial, the common brushtail possum (Trichosurus vulpecula), to a prescribed fire |
Author: | Isaacs, J. Valentine, L. Goodman, B. |
Citation: | Population Ecology, 2008; 50(1):101-109 |
Publisher: | Springer-Verlag Tokyo |
Issue Date: | 2008 |
ISSN: | 1438-3896 1438-390X |
Statement of Responsibility: | Joanne L. Isaac, Leonie E. Valentine and Brett A. Goodman |
Abstract: | We investigated demographic responses of the common brushtail possum Trichosurus vulpecula, a medium-sized arboreal marsupial, after a prescribed fuel reduction burn on Magnetic Island, tropical north Queensland, Australia. Possums were live-trapped every month for 14 months before the fire and 11 months after the fire in both the burnt and unburnt areas; measurements of individuals were taken each month and demographic parameters were modelled using capture–mark–recapture data. Significant differences between the burnt and unburnt sites were found following the fire; recruitment was lower in the unburnt area, where population size also declined. In the burnt area, population size and recruitment displayed a tendency to increase after the fire, while capture probability declined, suggesting that an influx of new individuals, attracted to re-sprouting vegetation, had resulted in trap saturation. There was no detectable effect of the fire on survival, and no fire-induced mortalities were observed. We conclude that a low-intensity, prescribed, fuel-reduction burn had no obvious negative consequences for this possum population. |
Keywords: | Arboreal mammal Capture–mark–recapture Population Prescribed fire Recruitment Survival |
Rights: | Copyright The Society of Population Ecology and Springer 2007 |
DOI: | 10.1007/s10144-007-0057-1 |
Published version: | http://dx.doi.org/10.1007/s10144-007-0057-1 |
Appears in Collections: | Aurora harvest 5 Earth and Environmental Sciences publications |
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