Seasonal variation in abundance and diversity of zooplankton in Asu River, Ebonyi state, Nigeria

The Physicochemical variables and Zooplankton of Asu River, Ebonyi State, Nigeria were studied monthly between October 2013 and June 2014 which covered the wet and dry seasons. The study was carried out monthly in two selected sites by collecting water samples for physiochemical analysis and zooplan...

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Bibliographic Details
Published in:Acta ecologica Sinica 2021-12, Vol.41 (6), p.591-596
Main Authors: Nwinyimagu, Amaechi Joshua, Eyo, Joseph Effiong, Okogwu, Okechukwu Iduma
Format: Article
Language:English
Subjects:
Asu River
Ebonyi state
Freshwater
Physicochemical parameters
Variation
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Summary:The Physicochemical variables and Zooplankton of Asu River, Ebonyi State, Nigeria were studied monthly between October 2013 and June 2014 which covered the wet and dry seasons. The study was carried out monthly in two selected sites by collecting water samples for physiochemical analysis and zooplankton identification. Shannon-Weiner diversity and Margalef's indices were used to determine the zooplankton composition. Investigation on the physiochemical variables showed that water temperature, dissolved oxygen, total dissolved solids, pH, conductivity and carbon (iv) oxide all recorded maximum values in the dry season. The present result also showed that the river is not seriously polluted. However, only carbon (iv) oxide and nitrate varied significantly between seasons (p 
ISSN:1872-2032
1872-2032
DOI:10.1016/j.chnaes.2021.08.009