Biodiversity and Conservation

, Volume 23, Issue 2, pp 343–355 | Cite as

Detecting mammals in heterogeneous landscapes: implications for biodiversity monitoring and management

  • Matthew Swan
  • Julian Di Stefano
  • Fiona Christie
  • Erin Steel
  • Alan York
Original Paper

Abstract

With terrestrial mammals facing worldwide declines there is an increasing need to effectively monitor populations so that appropriate conservation actions can be taken. There are many techniques available to survey terrestrial mammals and in recent years there have been a number of studies comparing the effectiveness of different methods. Most of these studies have not considered complementarity (the degree to which techniques detect unique species) and effectiveness across ecological gradients. In this study we examined three widely used techniques, camera trapping, live trapping and hair detection, for their complementarity across a vegetation and disturbance gradient. Overall, camera trapping detected more species than any other single technique, but live trapping complemented the cameras by consistently detecting unique species. Additionally, technique effectiveness differed between vegetation types; cameras alone were most effective in dry forest systems while cameras combined with live traps were most effective in wetter forest systems. These results suggest that care needs to be taken when sampling across heterogeneous landscapes because relying on one technique alone could result in certain taxa being systematically overlooked, leading to potentially erroneous conclusions.

Keywords

Monitoring Ground-dwelling mammals Camera trapping Elliott trapping Trapping methods Mammal detection 

Notes

Acknowledgments

We thank Michelle Ibbett, Holly Sitters, Evan Watkins and Leigh Morison for assistance in the field and Amanda Ashton and Helen Doherty for help with photo processing. This research was supported by the Department of Environment and Primary Industries, Parks Victoria and the Holsworth Wildlife Research Endowment. Field work was conducted under the National Parks Act (Research Permit Number 10005348) and Forests Act (Scientific Permit Number 10005514), and faunal surveys were approved by the University of Melbourne School of Land and Environment Ethics Committee (Register No. 1011632.5).

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Matthew Swan
    • 1
  • Julian Di Stefano
    • 1
  • Fiona Christie
    • 1
  • Erin Steel
    • 1
  • Alan York
    • 1
  1. 1.Department of Forest and Ecosystem ScienceUniversity of MelbourneCreswickAustralia

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