Register      Login
Australian Mammalogy Australian Mammalogy Society
Journal of the Australian Mammal Society
RESEARCH ARTICLE

Conservation of the false water rat (Xeromys myoides) depends on landscape complementation

Tanya L. Russell A B C and Peter T. Hale A
+ Author Affiliations
- Author Affiliations

A The Ecology Centre, University of Queensland, Brisbane, Qld 4072, Australia.

B Present Address: Ifakara Health Institute, PO Box 53, Ifakara, Kilombero, United Republic of Tanzania & Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, United Kingdom.

C Corresponding author. Email: trussell@ihi.or.tz

Australian Mammalogy 31(2) 81-87 https://doi.org/10.1071/AM09006
Submitted: 21 February 2009  Accepted: 24 July 2009   Published: 15 October 2009

Abstract

Identification of habitat variables that are associated with patch occupancy can provide a solid foundation for conservation, especially when habitats and landscapes are affected by human activities. As a case study to investigate the importance of landscape complementation and habitat quality for conservation, we examined the habitat preferences of a vulnerable native rodent, the false water rat (Xeromys myoides Thomas). In this study, results from surveys for animal presence and recording of habitat attributes in localities in south-east Queensland showed that X. myoides prefers a habitat with a wide mangrove zone of short mangroves and a high percentage of relatively tall vegetation cover in the sedge/saltmarsh zone. The absence of X. myoides from areas of likely habitat at a large scale can be attributed, at least in part, to the local habitat variables that overrode predictions based at a large scale. The findings suggest that availability of suitable habitat is a factor limiting the distribution and abundance of X. myoides. It is clear that landscape complementation influences patch occupancy and should be an essential consideration for conservation programs.

Additional keywords: anthropogenic impacts, habitat preferences, intertidal wetlands, logistic regression.


Acknowledgements

Many thanks to Mark Burnham of the Queensland Parks and Wildlife Service for field advice on detection and assessment of nests, to Steve Van Dyck from the Queensland Museum for advice on localities, and to Tony Pople from the Ecology Centre for discussion about analytical methods. We also thank Claire Anderson and Dale Young for assistance with field trips.


References

Breitfuss, M. J. (2003). Defining the characteristics of burrows to better estimate abundance of the grapsid crab, Helograpsus haswellianus (Decapoda: grapsidae) on east Australian saltmarsh. Crustaceana 76, 499–507.
Crossref | GoogleScholarGoogle Scholar | Burnham M. B. (2000). New locality records for Xeromys myoides False water-rat, within the Great Sandy and Wide Bay/Burnett management areas. Results from surveys conducted February to April 1999 and March to May 2000. Queensland Environmental Protection Agency Internal Report. Queensland EPA: Maryborough.

Coulson, G. (1993). Use of heterogeneous habitat by the western grey kangaroo, Macropus fuliginosus. Wildlife Research 20, 137–149.
Crossref | GoogleScholarGoogle Scholar | Davie P. (1998). ‘Wild Guide to Moreton Bay: Wildlife and Habitats of a Beautiful Australian Coast – Noosa to the Tweed’. (Queensland Museum: Brisbane.)

Dias, M. P. , Granadeiro, J. P. , Lecoq, M. , Santos, C. D. , and Palmeirim, J. M. (2006). Distance to high-tide roosts constrains the use of foraging areas by dunlins: implications for the management of estuarine wetlands. Biological Conservation 131, 446–452.
Crossref | GoogleScholarGoogle Scholar | ESRI (1996). ‘ArcView GIS 3.2a for Windows.’ (Environmental Systems Research Institute: Redlands.)

Faulkner, S. (2004). Urbanization impacts on the structure and function of forested wetlands. Urban Ecosystems 7, 89–106.
Crossref | GoogleScholarGoogle Scholar | Gynther I. , and Van Dyck S. (1997). A survey for the false water-rat at Noosaville and Noosa North Shore, 17–18 April 1997. Department of Environment, Southern Region Brisbane Internal Report. Department of Environment: Queensland.

Hill, B. J. (1976). Natural food, foregut clearance-rate and activity of the crab Scylla serrata. Marine Biology 34, 109–116.
Crossref | GoogleScholarGoogle Scholar | Hilton-Taylor C. (2000). ‘2000 IUCN Red List of Threatened Species.’ (IUCN: Gland, Switzerland & Cambridge, UK.)

IPCC (Intergovernmental Panel on Climate Change) (2007). ‘Climate Change 2007. The Physical Science Basis. Contribution of Working Group 1 to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change.’ (Cambridge University Press: Cambridge.)

Law, B. S. (1993). Roosting and foraging ecology of the Queensland blossom bat (Syconycteris australis) in north-eastern New South Wales: flexibility in response to seasonal variation. Wildlife Research 20, 419–431.
Crossref | GoogleScholarGoogle Scholar | McDonald R. C. , Isbell R. F. , Speight J. G. , Walker J. , and Hopkins M. S. (1984). ‘Australian Soil and Land Survey Field Handbook.’ (Inkata Press Pty Ltd: Melbourne.)

McDougall, W. A. (1944). An investigation of the rat pest problem in Queensland canefields. 2. Species and general habitats. Queensland Journal of Agricultural Science 1, 48–78.
Sokal R. R. , and Rohlf F. J. (1995). ‘Biometry: The Principles and Practice of Statistics in Biological Research.’ (W.H. Freeman & Co.: New York.)

Strahan R. (Ed.) (1991). ‘The Australian Museum Complete Book of Australian Mammals.’ (Cornstalk Publishing: Sydney.)

Thomas, B. E. , and Connolly, R. M. (2001). Fish use of subtropical saltmarshes in Queensland, Australia: relationships with vegetation, water depth and disturbance onto marsh. Marine Ecology Progress Series 209, 275–288.
Crossref | GoogleScholarGoogle Scholar | Watts C. H. S. , and Aslin H. J. (1981). ‘The Rodents of Australia.’ (Angus and Robertson Publishers: Melbourne.)