A diversity and density of Rotifera in Industrial Hajara lake ( Sebha. Libya)
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November 17, 2019
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Rotifers, Hajara Lake, Sebha, Wastewater, Diversity
Abstract
The Rotifera were collected from May to December 2016 from four location in Industrial Hajara lake that the number of species was classified 27 species belonging to 9 families. The Majority of them belonging to class Bdelloidea and class Monogononta. the last one is considered more diversity in the number of families, Brachionidae is more abundance in the lake (21 species), while, Philodinidae which come in the second class in the number of species and belonging to Bdelloidea. Density of Rotifers were reached to the highest rate in August then suddenly, the density of rotifers reach to the lowest number in September. The results of study showed that the physical and chemical effects, abundance of phytoplankton and organic materials play a major role to increase or decrease rotifers in the lake.
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References
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