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Ecology and Diversity of Freshwater Zooplankton in Laghouat Province (Algeria) and their Relationship with Environmental Factors

Ecology and Diversity of Freshwater Zooplankton in Laghouat Province (Algeria) and their Relationship with Environmental Factors

Houria Bouazzara1,2,*, Rachid Chaibi 1,2, Farouk Benaceur 1,2,3, Amira Nouioua4 and Laura Bruno 5

1Department of Biology, Faculty of Sciences, University of Amar Telidji, 03000 Laghouat, Algeria
2Laboratory of Biological and Agricultural Sciences, Amar Thelidji University, Laghouat, 03000, Algeria
3Research Unit of Medicinal Plants, Laghouat 03000, National Center of Biotechnology Research, Constantine 25000, Algeria
4 Department of English, Faculty of Letters and languages, University of Amar Telidji, 03000 Laghouat, Algeria
5LBA-Laboratory of Biology of Algae, Department of Biology, University of Rome, Tor Vergata via Cracovia 1, 00133 Rome, Italy
 
* Corresponding author: h.bouazzara@lagh-univ.dz 

ABSTRACT

In order to investigate the distribution and richness of zooplankton on the Wadi M’zi River from November 2018 to October 2019, samples were collected on a monthly basis from four stations. Thirty-three zooplankton species belonging to four taxa have been described from the Wadi M’zi River; Copepoda, Rotifera, Cladocera and Nematoda. The following diversity indexes were used to measure the diversity of zooplankton species in the lake; Shannon Index 3.14 to 3.8, Pielou Evenness Index 0.72 to 0.84 and Margalef Index 1.08 to 1.45. The zooplankton communities were observed to be abundant in spring and summer compared to autumn and winter. Rotifers were found to be dominant followed by copepods, cladocerans and nematods for the entire research duration. CCA analysis indicates that WT, pH, NH4+, NO3-, PO42- and conductivity were responsible for most differences in zooplankton organisms. Finally, we concluded that all sampling area were oligosabrobic indicating the good environmental quality of Wadi M’zi River.

 

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Pakistan Journal of Zoology

October

Vol. 54, Iss. 5, Pages 2003-2500

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