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Modelling the distribution and relative abundance of feral camels in the Northern Territory using count data

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McLeod, S.R. and Pople, A. R. (2010) Modelling the distribution and relative abundance of feral camels in the Northern Territory using count data. The Rangeland Journal, 32 (1). pp. 21-32.


Article Link: http://dx.doi.org/10.1071/RJ09057

Publisher URL: http://www.publish.csiro.au/


The objectives of this study were to predict the potential distribution, relative abundance and probability of habitat use by feral camels in southern Northern Territory. Aerial survey data were used to model habitat association. The characteristics of ‘used’ (where camels were observed) v. ‘unused’ (pseudo-absence) sites were compared. Habitat association and abundance were modelled using generalised additive model (GAM) methods. The models predicted habitat suitability and the relative abundance of camels in southern Northern Territory. The habitat suitability maps derived in the present study indicate that camels have suitable habitat in most areas of southern Northern Territory. The index of abundance model identified areas of relatively high camel abundance. Identifying preferred habitats and areas of high abundance can help focus control efforts.

Item Type:Article
Business groups:Biosecurity Queensland
Additional Information:© CSIRO Publishing. Reproduced with permission from © CSIRO Publishing. Access to published version is available via Publisher’s website.
Keywords:Generalised additive model; habitat suitability; presence-only; pseudo-absence; resource selection; function; habitat suitability; zero-inflated.
Subjects:Science > Invasive Species > Animals > Animal control and ecology
Science > Invasive Species > Modelling > Animal
Live Archive:25 Aug 2010 05:05
Last Modified:03 Sep 2021 16:43

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