Journal article
Demographic Forecasting in Koala Conservation
Conservation biology, Vol.14(3), pp.629-638
Paper submitted August 23, 1999; revised manuscript accepted December 30, 1999.
2000
Abstract
The koala currently needs conservation intervention. There is clear evidence of decline in many populations, but the existence of other stable or expanding populations offers the possibility of a variety of creative solutions to their conservation problems. The 1998 National Koala Conservation Strategy emphasizes the need to obtain demographic information and to use this information to assess management options for koalas. We need accurate diagnoses of the status of koala populations and forecasts of their demographic future with and without particular management actions. In a qualitative fashion, this process has been undertaken many times on a local and national scale. Quantitative demographic forecasting tools are increasingly available, and koala management could benefit from their application both at the scale of individual populations and more broadly. There is already a considerable body of suitable data on the dispersal, effects of normal and catastrophic environmental variation on reproduction and survival, and on the effects of habitat change. Demographic forecasting, however, is hampered because the full suite of information is rarely available from a single population. In two Queensland populations, retrospective population viability analyses provided forecasts that were in agreement with observed population trends. Work is needed to determine whether data from one population can be applied to other populations. Models can then be developed to make projections at a multipopulation level on the basis of local population dynamics and dispersal. Certain koala populations, because of their long history of study, offer the opportunity to test demographic models retrospectively. These tests will not only aid in fine-tuning the models for koala biology and data but will also assist with the more general process of validating the models.
Details
- Title
- Demographic Forecasting in Koala Conservation
- Authors/Creators
- Angela M. Penn - UNSW SydneyWilliam B. Sherwin - UNSW SydneyGreg Gordon - Parks and Wildlife ServiceDaniel Lunney - Parks and Wildlife ServiceAlistair Melzer - Central Queensland UniversityRobert C. Lacy - Chicago Zoological Society
- Publication Details
- Conservation biology, Vol.14(3), pp.629-638
- Publisher
- Blackwell Science Inc
- Edition
- Paper submitted August 23, 1999; revised manuscript accepted December 30, 1999.
- Number of pages
- 10
- Identifiers
- 991005578599107891
- Murdoch Affiliation
- Centre for Sustainable Aquatic Ecosystems
- Language
- English
- Resource Type
- Journal article
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- Domestic collaboration
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.40 Forestry
- 3.40.195 Biodiversity Conservation
- Web Of Science research areas
- Biodiversity Conservation
- Ecology
- Environmental Sciences
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- Environment/Ecology