Assessment and relationship between organic pollution parameters and aquatic bio-indicators (Wadi Tighza. Morocco)

The aim of this study is to evaluate the relationship between pollution organic of wastewater and aquatic macroinvertebrates assemblages at the wadi of Tighza in the Bouregreg basin hydraulic. To respond of this objective, we are used indicators parameters of organic pollution such Ammonia (NH4 + ),...

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Bibliographic Details
Published in:Materials today : proceedings 2023, Vol.72, p.3831-3837
Main Authors: Hachi, Touria, Hachi, Maryama, Essabiri, Hamza, Belghyti, Driss, Khaffou, Mhamed, Merimi, Imane, Ainane, Tarik, Hassan Abba, El
Format: Article
Language:English
Subjects:
Bio-indicators
Lisec-Index
Morocco
Oued Tighza
Wastewater
Water quality
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Summary:The aim of this study is to evaluate the relationship between pollution organic of wastewater and aquatic macroinvertebrates assemblages at the wadi of Tighza in the Bouregreg basin hydraulic. To respond of this objective, we are used indicators parameters of organic pollution such Ammonia (NH4 + ), Nitrogen dioxide (NO2–), Phosphate (PO43-), Biochemical Oxygen Demand (BOD5) and the analysis of Bio-indicators (benthic macroinvertebrates) at the level of Oued Tighza. All these indicators provide the state of health of the aquatic ecosystem to propose solutions by water managers. The results obtained of Lisec-Index in different stations (S1, S2 and S3) show that the water quality is highly polluted (Organic Pollution Index = 1 to 1, 25), these results corroborate with the bio-indicators found in the different stations studied. Absence of polluo-sensitive bio-indicators such as ephemeroptera, plecoptera, and trichoptera and are replaced by polluo-resistant bio-indicators mainly Tubifex Tubifex and Asellus aquaticus.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2022.09.511