Première Nidification Réussie du Flamant Rose Phoenicopterus Roseus dans la Vallée de l’Oued Righ , Sahara Algérien

Between 2017 and 2019, 42 species of wintering waterbirds were recorded in the wetland complex of the Oued Righ valley in the Algerian Sahara. The intersite amplitudes of salinity explained the variations in species richness and distribution of waterbirds in the various wetlands studied. Oligohaline (0.5-5 ‰) and mesohaline (5-18 ‰) environments, represented by Lake Ayata, Lake Sidi Khelil and Oued Kherouf, were the most favorable to Anatidae with the exception of the tadornes where their presence was noted in the euhaline (30-40 ‰) and hyperhaline stations (> 40 ‰). The presence of the greater flamingo Phoenicopterus roseus and the slender-billed gull Chroicocephalus genei stood out in the most holomorphic areas of the complex, such as Chott Merouane. Dataset published through GBIF (Doi: 10.15470/6fqd0h)

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Does salinity have an influence on the diversity and structure of the wintering waterbirds of the Saharan wetlands in Algeria?

Betrouche

Moulaï

2021

Arx. Misc. Zool.

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Avifauna diversity and phenology in a Ramsar site: Lake Tonga (Northeastern Algeria)

Gherib

Lazli²,

Naili³

et al. 2022

Arx. Misc. Zool.

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Between 2013 and 2016 we conducted an inventory and characterization of aquatic avifauna at Lake Tonga, a Ramsar site. We identified 61 species belonging to 17 families, dominated by Anatidae with 14 species. The inventoried species have different phenological status. Some are known for their regular wintering and some for their summer concentrations, while others are residents year round. Population analysis showed the presence of endangered species such as Oxyura leucocephala, Marmaronetta angustirostris and Aythya nyroca, that are protected by national and/or international laws. Bird counts showed monthly variations in total abundance and richness, peaking during winter. Peak numbers were recorded in February and January, reflecting gatherings to prepare for prenuptial migration. Analysis of diversity and equitability indices indicated that maximum values were generally recorded during the pre– and post–nuptial passages (H’= 3.51 and E = 0.72). Our results reflect the importance of this wetland as a wintering site and nesting site for numerous waterbirds species.

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Première Nidification Réussie du Flamant Rose Phoenicopterus Roseus dans la Vallée de l’Oued Righ , Sahara Algérien

Cited by 2 publications

References 6 publications

Does salinity have an influence on the diversity and structure of the wintering waterbirds of the Saharan wetlands in Algeria?

Does salinity have an influence on the diversity and structure of the wintering waterbirds of the Saharan wetlands in Algeria?

Avifauna diversity and phenology in a Ramsar site: Lake Tonga (Northeastern Algeria)

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