Feral water buffalo (Bubalus bubalis) in the major floodplains of the 'Top End', Northern Territory, Australia: population growth and the Brucellosis and Tuberculosis Eradication Campaign
1990
Freeland, W.J. (Northern Territory Conservation Commission, Palmerston (Australia)) | Boulton, W.J. (Northern Territory Univ., Casuarina (Australia). Faculty of Science)
Rates of growth of populations of feral water buffalo (Bubalus bubalis) in the floodplains of the 'Top End' of the Northern Territory are dependent on how much rain falls during the dry season. Low rainfall results in massive mortality. Approximately 73 percent of years are likely to result in population growth rates greater than 0, with 1 year in 8 having growth rates less than -0.50. Analyses of predicted population changes and recorded offtakes in relation to aerial survey estimates of buffalo populations suggest that the Brucellosis and Tuberculosis Eradication Campaign has had a significant impact on the feral population. Inaccuracy in aerial censuses of populations subjected to control measures over long periods of time, and migration to 'controlled' areas, may impede successful control of buffalo populations.
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