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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Ground penetrating radar as a non-invasive tool to better understand the population dynamics of a fossorial species: mapping the warrens of southern hairy-nosed wombats (Lasiorhinus latifrons)
Auteurs :	Michael J. Swinbourne, Auteur ; David A. Taggart, Auteur ; Elisa Sparrow, Auteur ; Michael Hatch, Auteur ; Bertram Ostendorf, Auteur
Type de document :	Article
Dans :	Wildlife Research (42(8) 2015)
Article en page(s) :	678-688
Langues:	Anglais
Mots-clés :	Radar
Résumé :	Context. Management of wildlife that may simultaneously be of conservation concern and pose problems for humans is difficult, particularly when knowledge of their population dynamics is elusive. Culling of southern hairy-nosed wombats (Lasiorhinus latifrons) is often carried out in agricultural areas, with no understanding of potential impacts on the species as a whole. Monitoring fossorial species via non-invasive means (that do not adversely impact animals by damaging their burrows) has always represented a challenge for wildlife researchers. Aim. The aim of this research was to map the areal extent of different types of L. latifrons warrens to gain a better understanding of the relationship between the external warren signs and its subterranean structure. The findings will be used in the development of more accurate indices of population abundance to better inform management decisions. Methods. Ground penetrating radar (GPR) was used to map warrens at four locations in the western regions of South Australia. Radar data were collected using a Mala X3M GPR system with 250MHz and 500MHZ antennas.

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