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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Microhabitat preference of the Cabrera vole in a Mediterranean cork oak woodland of southern Portugal (2005)
Auteurs :	S. M. Santos, Auteur ; I. T. Do Rosario, Auteur ; M. L. Mathias, Auteur
Type de document :	Article
Dans :	Vie et Milieu - Life and Environment (55(1) mars 2005)
Article en page(s) :	53-59
Langues:	Anglais
Résumé :	In this study, data on microhabitat preference of the Cabrera vole (Microtus cabrerae) was obtained in a cork oak woodland of southern Portugal. over an area of 221 ha. A total of 35 and 30 colonies were surveyed, respectively, in the dry and wet seasons (April to June and October to December, respectively) and 22 variables defining microhabitat structure and composition were monitored within a 10 m-radius circle around each colony. Two logistic regression models were separately computed for the dry and wet seasons, aiming to identify the more relevant variables influencing the presence of voles. Models were statistically robust, revealing good predictive ability (dry season: 94.1% of correct classifications and AUC=0.987; wet season: 82.4% of correct classification and AUC=0.869). Results suggest that open areas with high herbaceous cover were the most important microhabitat factors determining the occurrence of voles across the year. Results also showed that colonies distribution and spacing greatly varied throughout the year which may be highly relevant in the species conservation planning.
En ligne :	https://wwwphp.obs-banyuls.fr/Viemilieu/index.php/volume-55-2005/55-issue-1.html

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