Changes in the distribution and abundance of saltwater crocodiles (Crocodylus porosus) in the upstream, freshwater reaches of rivers in the Northern Territory, Australia

Wildlife Research

Volumn 33, Issue 7, 2006, Pages 529-538

  Letnic, Mike ^a,b   Connors, Greg ^a  

^a Parks and Wildlife Service of the Northern Territory   (Australia)

^b UNIVERSITY OF SYDNEY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

ABUNDANCE; AERIAL SURVEY; BODY SIZE; CROCODILIAN; FRESHWATER ENVIRONMENT; RIVER; SPATIAL DISTRIBUTION;

AUSTRALASIA; AUSTRALIA; NORTHERN TERRITORY; VICTORIA RIVER;

ALLIGATOR; CROCODYLIDAE (ALL CROCODILES); CROCODYLUS POROSUS; LATES CALCARIFER;

EID: 33751051692     PISSN: 10353712     EISSN: None     Source Type: Journal    
DOI: 10.1071/WR05090     Document Type: Article

References (31)

1. Bayliss, P., Webb, G. J. W., Whitehead, P. J., Dempsey, K., and Smith, A. (1986). Estimating the abundance of saltwater crocodiles, Crocodylus porosus Schneider, in tidal wetlands of the Northern Territory: a mark-recapture experiment to correct spotlight counts to absolute numbers, and the calibration of helicopter and spotlight counts. Australian Wildlife Research 13, 309-320. doi:10.1071/WR9860309
2. Bishop, K. A., and Forbes, M. A. (1991). The freshwater fishes of northern Australia. In 'Monsoonal Australia: Landscape, Ecology and Man in the Northern Lowlands'. (Eds C. D. Haynes, M. G. Ridpath and M. A. J. Williams.) pp. 79-108. (Balkema: Rotterdam.)
3. Caldicott, D., Croser, D., Manolis, C., Webb, G., and Britton, A. (2005). Crocodile attacks in Australia. An analysis of its incidence, and review of the pathology and management of crocodilian attacks in general. Wilderness & Environmental Medicine 16, 143-159.
4. Davis, T. L. O. (1985). Seasonal changes in gonad maturity, and abundance of larvae and early juveniles of barramundi, Lates calcarifer (Bloch), in Van Diemen Gulf and the Gulf of Carpentaria. Australian Journal of Marine and Freshwater Research 36, 177-190. doi:10.1071/MF9850177
5. Dunstan, D. J. (1959). The barramundi Lates calcarifer (Bloch) in Queensland waters. Technical Paper No. 5, CSIRO Australia, Division of Fisheries and Oceanography, Melbourne.
6. Fukuda, Y. (2004). Broad scale influences on contemporary abundance of saltwater crocodiles (C. porosus) in northern Australia. B.Sc.(Honours) Thesis, Charles Darwin University, Darwin.
7. Kay, W. R. (2004). Movements and home ranges of radio-tracked Crocodylus porosus in the Cambridge Gulf region of Western Australia. Wildlife Research 31, 495-508. doi:10.1071/WR04037
8. Lang, J. W. (1987). Crocodilian behaviour: implications for management. In 'Wildlife Management: Crocodiles and Alligators'. (Eds G. J. W. Webb, S. C. Manolis and P. J. Whitehead.) pp. 273-294. (Surrey Beatty: Sydney.)
9. th Working Meeting of the Crocodile Specialist Group'. (IUCN - The World Conservation Union). pp. 4-12. (Gland: Cambridge, UK.)
10. Magnusson, W. E. (1980). Habitat required for nesting by Crocodylus porosus (Reptilia: Crocodilidae) in northern Australia. Australian Wildlife Research 7, 149-156. doi:10.1071/WR9800149
11. McDonald, N. S., and McAlpine, J. (1991). Floods and droughts: the northern climate. In 'Monsoonal Australia: Landscape, Ecology and Man in the Northern Lowlands'. (Eds C. D. Haynes, M. G. Ridpath and M. A. J. Williams.) pp. 19-30. (Balkema: Rotterdam.)
12. Messel, H., and Vorlicek, G. C. (1986). Population dynamics and status of Crocodylus porosus in the tidal waterways of northern Australia. Australian Wildlife Research 13, 71-111. doi:10.1071/WR9860071
13. Messel, H., Vorlicek, G. C., Wells, A. G., and Green, W. J. (1981). 'Surveys of Tidal River Systems in the Northern Territory of Australia and their Crocodile Populations.' Monograph 1. (Pergamon Press: Sydney.)
14. Messel, H., Green, W. J., Vorliceck, G. C., and and Wells, A. G. (1982). 'Surveys of Tidal Waterways in Northern Australia.' Monograph 15. [Work maps of tidal waterways in northern Australia.] (Pergamon Press: Sydney.)
15. Messel, H., Vorlicek, G. C., Green, W. J., and Onley, I. C. (1987). The distribution of Crocodylus porosus and Crocodylus johnstoni along Type 1 tidal waterways in northern Australia and survey of the upstream non-tidal sections of the Roper River, 1986. In 'Surveys of Tidal Waterways in the Kimberley Region, Western Australia and their Crocodile Populations. Monograph 20: Tidal waterways of the Kimberley surveyed during 1977, 1978 and 1986'. (Eds H. Messel, A. A. Burbidge, G. C. Vorlicek, A. G. Wells, W. J. Green, I. C. Onley and P. J Fuller.) pp. 293-341. (Pergamon Press: Sydney.)
16. Nichols, T., and Letnic, M. (in press). Problem crocodiles: reducing the risk of attacks by Crocodylus porosus in Darwin Harbour, Northern Territory, Australia. In 'Urban Herpetology: Herpetologial Conservation. Vol. 3'. (Eds R. E. Jung and J. C. Mitchell.) (Society for the Study of Amphibians and Reptiles: Salt Lake City, UT.)
17. Parks Australia (2004). Crocodile Management Strategy - Kakadu National Park. Australian Government, Department of Environment and Heritage.
18. Parks and Wildlife Service of the Northern Territory (2005). Management Plan for Crocodylus porosus in the Northern Territory. Northern Territory Government.
19. Read, M. A., Miller, J. D., Bell, I. P., and Felton, A. (2004). The distribution and abundance of the estuarine crocodile, Crocodylus porosus, in Queensland. Wildlife Research 31, 527-534. doi:10.1071/WR02025
20. Ryan, C. (1998). Saltwater crocodiles as tourist attractions. Journal of Sustainable Tourism 6, 314-327.
21. Searcy, A. (1909). 'In Australian Tropics.' (1984 edn) (Hesperian Press: Perth.)
22. Stirrat, S. C., Lawson, D., Freeland, W. J., and Morton, R. (2001). Monitoring Crocodylus porosus populations in the Northern Territory of Australia: a retrospective power analysis. Wildlife Research 28, 547-554. doi:10.1071/WR00079
23. Taplin, L. E. (1987). The management of crocodiles in Queensland, Australia. In 'Wildlife Management: Crocodiles and Alligators'. (Eds G. J. W. Webb, S. C. Manolis and P. J. Whitehead.) pp. 129-140. (Surrey Beatty & the Conservation Commission of the Northern Territory: Sydney.)
24. Walsh, B., and Whitehead, P. (1993). Problem crocodiles (Crocodylus porosus) at Nhulunbuy, Northern Territory, Australia: an assessment of relocation as a management strategy. Australian Wildlife Research 20, 127-135. doi:10.1071/WR9930127
25. Webb, G. J. W., and Manolis, S. C. (1989). 'Crocodiles of Australia.' (Reed Books: Sydney.)
26. Webb, G. J. W., and Manolis, S. (1993). Conserving Australia's crocodiles through commercial incentives. In 'Herpetology in Australia'. (Eds D. Lunney and D. Ayers.) pp. 250-256. (Surrey Beatty: Sydney.)
27. Webb, G. J. W., and Messel, H. (1978). Movement and dispersal patterns of Crocodylus porosus in some rivers of Arnhem Land, Northern Australia. Australian Wildlife Research 5, 263-283. doi:10.1071/WR9780263
28. Webb, G. J. W., and Messel, H. (1979). Wariness in Crocodylus porosus (Reptilia: Crocodilidae). Australian Wildlife Research 6, 227-234. doi:10.1071/WR9790227
29. Webb, G. J. W., Sack, G. C., Buckworth, R., and Manolis, S. C. (1983). An examination of C. porosus nests in two northern Australian freshwater swamps, with analysis of embryo mortality. Australian Wildlife Research 10, 571-605. doi:10.1071/WR9830571
30. Webb, G., Manolis, S., Whitehead, P., and Letts, G. (1984). A proposal for the transfer of the Australian population of Crocodylus porosus Scneider (1801), from Appendix I to Appendix II of C.I.T.E.S. Technical Report No. 21, Conservation Commission of the Northern Territory, Darwin, Northern Territory, Australia.
31. Webb, G. J. W., Manolis, S. C., and Ottley, B. (1994). Crocodile management and research in the Northern Territory: 1992-1994. In 'Proceedings of the 12th Working Meeting of the Crocodile Specialist group of the Species Survival Commission of the IUCN, The World Conservation Union, Pattaya, Thailand, 2-6 May 1994'. (IUCN - The World Conservation Union: Gland, Switzerland.)