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Publications archive - Biodiversity

Disclaimer

Key departmental publications, e.g. annual reports, budget papers and program guidelines are available in our online archive.

Much of the material listed on these archived web pages has been superseded, or served a particular purpose at a particular time. It may contain references to activities or policies that have no current application. Many archived documents may link to web pages that have moved or no longer exist, or may refer to other documents that are no longer available.

Management program for the Brushtail possum Trichosurus vulpecula (Kerr) in Tasmania - Review of background information

Prepared by Tasmanian Parks and Wildlife Service, October 1996


Figures


Figure 1
Figure 1: Number of commercial permits issued versus average skin price (adjusted for inflation) 1979-1995.
Figure 2
Figure 2: Number of royalties and the estimated number of brushtail possums shot commercially versus the annual quota since 1983.
Figure 3
Figure 3: Number of crop protection permits versus the number of commercial permits 1983-1995.
 
Figure 4
Figure 4: Number of crop protection permits issued in each of nine regions of Tasmania 1989/90-1993-94.
 
Figure 5
Figure 5: Methods used for crop protection in the period 1990-96.
 
Figure 6
Figure 6: Number of crop protection permits issued in 1993 where culling occurred with a percentage of the total number of permits for each type of crop.
 
Figure 7
Figure 7: Spotlight survey routes for brushtail possum in Tasmania.
 
Figure 8
Figure 8: Trends in the abundance of brushtail possums in Tasmania for the period of 1975-1995. Outer lines represent 95% confidence limits.
 
Figure 9
Figure 9: Regional trends in the abundance of brushtail possums in Tasmania.
 
Figure 10
Figure 10: Trends in brushtail possum abundance versus the size of the estimated commercial harvest of brushtail possums 1975-1995.