Zooplankton Diversity at Lake Oubeira, a Wetland at the National Park of El Kala NPEK (North-east Algeria)

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Abstract

The zooplankton community in Oubeira Lake, a wetland at the national park of El Kala (north-east Algeria), was addressed for 13 months, from January 2021 to January 2022,  at two stations : St1= Demnet Errihane north of the lake, and St2=Oued Messida south of the lake. The results of this study revealed that the zooplankton community at the lake is composed of 34 species pertaining to three classes : the rotifers, copepods and cladocerans. The spatial distribution of the inventoried individuals showed important values of abundance (244108ind/ L) and species richness (31 species) at St1compared to St2, where they were lower with145502ind/ l and  25 species. Meanwhile the seasonal distribution showed that April has the higher value of species richness (15 species), followed by May (13 species) although May presented a higher value of abundance (171999ind/ l). It is pointed out that St1 seemed to be more diversified than St2, whereas the rotifer species : Filinia terminalis was the most abundant at St1 in May (55667ind/ l), followed by Keratella tropica at the same station in January (39000ind/ l).

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Egyptian Journal of Aquatic Biology and Fisheries
Volume 28, Issue 4 - Serial Number 4
July and August 2024
Pages 1863-1882

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