The bush stone-curlew Burhinus grallarius is listed as ‘Near threatened’ on the IUCN Red List of Threatened Species. In NSW, bush stone-curlews are listed as ‘Endangered’ under the Threatened Species Conservation Act 1995. The present study focused on bush stone-curlew populations throughout the central coast of NSW and the aim of this study was to develop an inductive spatial model in Geographical Information System (GIS) of suitable bush stone-curlew habitat based on historical sightings and empirical data. To develop the models, micro-habitat data from 30 sites where bush stone-curlews have been recorded were combined with broad historical habitat maps between Gosford and Port Stephens. The habitat data and developed spatial models indicated that bush stonecurlew sightings are associated with trees dominated by Casuarina glauca and Syncarpia glomulifera. In terms of broad habitat classifications, bush stone-curlews are more likely to be sighted in wet sclerophyll forests (towards Gosford) and dry sclerophyll forests and saline wetlands (Port Stephens). The spatial model developed for this endangered bird will help direct conservation efforts to maintain and promote habitat in areas where urban development is rapidly increasing.
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Annual Census of Bush Stone-Curlew Burhinus grallarius: Locations, Numbers and Breeding Success in the Brisbane Water Area in 2007
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