Actes de séminaires

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Impacts and effects of climate variations on the lake fetzara ecosystem (NE Algeria)
(Université Badji Mokhtar Annaba, 2025-06-24) DJABRI, Larbi; BOUHALI, Zahra; HALIMI, Fahima; SAIDI, Salwa; BOUGUERRA, Hamza; TACHI, Salah Eddine; BOUGHERIRE, Nabil
Lake Fetzara is located in the extreme northeast of Algeria (Fig. 1). It lies between four municipalities of the Annaba province, bordered to the north by the municipality of Draa Erich, to the south by Ain Berda, to the west by Berrahal, and to the east by El Hadjar. This lake is considered one of the most important in the region. It has been classified as a RAMSAR (international treaty that advocates the conservation and rational use of wetlands) site since 2003, which requires its protection, especially since 17,000 migratory birds representing 15 different species pass through this ecosystem each year. Around 8,000 of these birds are Eurasian wigeons, and 800 are white-headed ducks (a small duck species with a broad, flat, blue bill). This rich aquatic fauna and flora are now threatened by disappearance due to a lack of rainfall, leading to decreased water inflows to the lake, along with deterioration in its water quality.