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Modelling the nesting habitat of the white-bellied sea-eagle Haliaeetus leucogaster in Tasmania


Thurstans, S, Modelling the nesting habitat of the white-bellied sea-eagle Haliaeetus leucogaster in Tasmania , Corella, 33, (3) pp. 51-65. ISSN 0155-0438 (2009) [Refereed Article]

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Copyright 2009 Australian Bird Study Association Incorporated

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The nesting habitat of the White-bellied Sea-Eagle Haliaeetus leucogaster was assessed and modelled in a region of south-eastern Tasmania. The selected habitat was assessed by comparing the habitat parameters of 28 nest sites with those of the entire study area. The activity status of nests during the 199798 breeding season, and some variables, were measured or observed in the field, and other data were obtained from existing databases. Characteristics of the habitat selected included low altitudes, less exposed aspects, proximity to the coast, and the presence of short, dense and mature forests including superdominant trees. Geographical Information Systems were used to assess habitat selection and in the construction of models. The well-defined habitat selection allowed an efficient ratio of nest-site prediction probability (89%) to area modelled (17.8%). The potential applications of such models include increasing the efficiency of searches for nest sites and the identification of potential habitat, thus allowing strategic protection from human encroachment.

Item Details

Item Type:Refereed Article
Keywords:Haliaeetus leucogaster, white-bellied sea-eagle, nesting habitat, modelling
Research Division:Biological Sciences
Research Group:Zoology
Research Field:Animal developmental and reproductive biology
Objective Division:Environmental Management
Objective Group:Terrestrial systems and management
Objective Field:Assessment and management of terrestrial ecosystems
UTAS Author:Thurstans, S (Mr Shaun Thurstans)
ID Code:62207
Year Published:2009
Deposited By:Zoology
Deposited On:2010-03-10
Last Modified:2012-12-17
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