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Title: Estimating the abundance of eastern grey kangaroos ('Macropus giganteus') in south-eastern New South Wales, Australia
Contributor(s): Pople, AR (author); Cairns, SC  (author); Menke, N (author); Payne, N (author)
Publication Date: 2006
DOI: 10.1071/WR05021
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Abstract: To provide an estimate of kangaroo numbers for harvest management, a survey was designed for an area of 29500 km2 encompassing the agricultural and grazing lands of the Braidwood, Cooma, Goulburn, Gundagai and Yass Rural Lands Protection Board (RLPB) districts in south-east New South Wales. An aerial survey using a helicopter was considered more efficient than ground survey because of the size of the area, relatively high relief and dense tree cover, and the need for regular monitoring. Tree cover and landscape relief was used to stratify the five RLPB districts into areas of probable high, medium and low kangaroo density. Kangaroo density estimated from helicopter surveys conducted in the Northern Tablelands of New South Wales was used to suggest densities and thereby allocate survey effort in each stratum. A survey comprising 735 km of transect line was conducted in winter 2003 with a target precision of 20%. The survey returned an estimate of 286600 ± 32300 eastern grey kangaroos for the whole of the proposed south-east New South Wales kangaroo-management zone. In 2004, a trial harvest of slightly less than 15% of this estimate was taken. Success of the trial will be determined by the impact of harvesting on the population's dynamics, by landholder and industry participation, and by the capacity to monitor population size, harvest offtake and compliance with regulations.
Publication Type: Journal Article
Source of Publication: Wildlife Research, 33(2), p. 93-102
Publisher: CSIRO Publishing
Place of Publication: Australia
ISSN: 1035-3712
Field of Research (FOR): 060207 Population Ecology
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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