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Articles

Ecological characterization of the odonatofauna in lotic and lentic waters of northeast Algeria

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Pages 430-445 | Accepted 21 Aug 2019, Published online: 30 Sep 2019
 

Summary

The purpose of this paper is to determine the Odonata fauna structure and composition in Bejaia’s wetlands, which have been poorly sampled until now. This paper is a report of a pioneer study of dragonflies in the Bejaia area in northeastern Algeria, with the aim to improve the knowledge of the Odonata taxa present in this vast territory, which covers 3268 km2. This region is of major importance, and contains Wadi Soummam which is classified by the Ramsar Convention as of international importance. In addition, Lake Mezaia is included in the Gouraya National Park, and the area also contains high mountain forest ponds, which are unknown to both the general public and the scientific community due to their remote location and poor accessibility. Despite the anthropogenic pressures on these wetlands, this study recorded 33 Odonata species, which represented 52% of the species known in Algeria. None were new to the country. The recorded species included two Maghrebian endemic taxa, namely Platycnemis subdilatata and Enallagma deserti.

Résumé. Caractérisation écologique de la faune des Odonates des eaux courantes et stagnantes du nord-est de l’Algérie

Le but de cet article est de déterminer la structure et la composition de la faune odonatologique des zones humides de la région de Bejaia, peu étudiée jusqu’à présent. Cette étude cherche à acquérir une meilleure connaissance des Odonates qu’abrite ce vaste territoire de 3268 km2. Elle a été conduite dans des sites d’importance capitale tels que l’Oued Soummam, classé comme site d’importance internationale dans la Convention de Ramsar, le lac Mezaia entant que partie intégrante du parc national de Gouraya et les mares forestières d’altitude dont certaines restent inconnues du grand public et de la communauté scientifique du fait de leur isolement et de leur difficulté d’accès. Malgré les fortes pressions anthropiques qui pèsent sur ces zones humides, cette étude a enregistré 52% des espèces déjà connues d’Algérie. Aucune d’entre elles n’est nouvelle pour le pays. Deux espèces sont endémiques du Maghreb, à savoir Platycnemis subdilatata et Enallagma deserti.http://www.zoobank.org/urn:lsid:zoobank.org:pub:7EB71A90-5117-47BF-A65F-8E8A76DBB638

Acknowledgments

This study would not have been possible without the assistance of D. Amalou and S. Bouaadam whom I thank for their help in collecting dragonflies. I would also like to thank F. Bekdouche and H. Abassi for the plant determination.

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