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Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Characterization of the waterbird communities wintering in Tunisian coastal lagoons (2012)
Auteurs :	Nabil Hamdi, Auteur ; Fouzia Charfi-Cheikhrouha, Auteur
Type de document :	Article
Dans :	Hydrobiologia (699(1) 2012/12/01)
Article en page(s) :	111-118
Langues:	Anglais
Résumé :	This article aims at studying wintering waterbirds in Tunisian coastal lagoons in order to support effective conservation measures. Species number and abundance of wintering waterbirds were assessed in January, each year from 2002 to 2007, in 10 lagoon sites belonging to four different lagoon systems. We counted 76 species and on average more than 120,000 birds per year, which represented more than 25% of the national population sizes. The most abundant taxonomic groups were waterfowls and waders, which also represented the highest species number. In general, the six most abundant bird species comprised collectively more than 77% of all birds counted. Considering all the studied lagoon systems collectively, for 13 species the lagoon systems should be considered as of international importance according the Ramsar Convention as they support regularly more than 1% of the populations. Only the lagoon system of the North held regularly more than 20,000 birds. The species abundances and species richness varied significantly among year and among lagoon systems. Based on our results we proposed priority conservation measures, these ecosystems being of major importance for wintering birds, at both national and international level.
En ligne :	http://link.springer.com/article/10.1007/s10750-012-1157-2

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