The Viggers & Hearn conundrum: a kangaroo home range study with no implications for land management

Martin, Jennifer K., Coulson, Graeme, di Stefano, Julian, Ritchie, Euan G., Greenfield, Andrew, Catanchin, Helen, and Evans, Lisa N. (2007) The Viggers & Hearn conundrum: a kangaroo home range study with no implications for land management. Journal of Applied Ecology, 44 (5). pp. 1080-1085.

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Abstract

1. Viggers & Hearn (2005) examined the encroachment of native herbivores on to farmland. They presented kangaroo home range estimates and pasture biomass data for three sites in south-eastern Australia, then made broad management recommendations regarding the preservation of remnant habitat.

2. While Viggers & Hearn identified potentially important patterns, we believe that their data were neither sufficient nor appropriate to reveal the processes that underlie these patterns.

3. Specifically, their study was unreplicated at the land-use level, used inappropriate density estimates for their study populations, failed to measure resources adequately, used flawed methods of home range analysis, and demonstrated limited understanding of key concepts and of their study species and thus could not draw valid conclusions.

4. Synthesis and applications. In view of these fundamental problems, we recommend that decisions on the management of kangaroos and remnant vegetation not be based on the work reported by Viggers & Hearn.

Item ID: 2348
Item Type: Article (Refereed Research - C1)
Keywords: dispersal; eastern grey kangaroo; Macropus gitganteus; population density; ranging behaviour; remnant vegetation; resource availability; study design
ISSN: 1365-2664
Date Deposited: 10 Jun 2009 01:09
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060299 Ecology not elsewhere classified @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 100%
Citation Count from Web of Science Web of Science 2
Downloads: Total: 2
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