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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Population structure, population density and individual catchability of Testudo graeca in the central jbilets (Morocco) (2006)
Auteurs :	K. Ben Kaddour, Auteur ; T. Slimani, Auteur ; E. H. El Mouden, Auteur ; F. Lagarde, Auteur ; X. Bonnet, Auteur
Type de document :	Article
Dans :	Vie et Milieu - Life and Environment (56(1) mars 2006)
Article en page(s) :	49-54
Langues:	Anglais
Mots-clés :	Maroc
Résumé :	Accurate information on density, structure and vulnerability of wild populations occupies a central place in conservation biology. A mark-recapture study was carried out during the 2003 activity season in a population of Testudo graeca in the Central Jbilets (Morocco). Juveniles were poorly represented in our data set, suggesting that juvenile numbers are actually low in our population and/or that tortoises are easier to capture after the behavioural shift of the acquisition of sexual maturity. Although the studied population was localised in a severely overgrazed area, the estimated adult and sub-adult population density, six individuals/ha, was relatively high comparatively to available estimates in other places. However, within three months of fieldwork, it was possible to capture most of the adults (60%), suggesting that Testudo graeca graeca populations are very sensitive to illegal and repeated harvesting. Long-term monitoring of the population is required to better appreciate the demographic trend of this population.
En ligne :	https://wwwphp.obs-banyuls.fr/Viemilieu/index.php/volume-56-2006/56-issue-1.html

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