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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(4): 2668-2680
DOI: https://doi.org/10.20546/ijcmas.2019.804.310


Assessment of River Water Quality using Macroinvertebrate Organisms as Pollution Indicators of Cirhanyobowa River, Lake Kivu, DR Congo
M. Bagalwa1*, I. Mukumba2, N. Ndahama3, N. Zirirane4 and A.O. Kalala5
1Department of Biologie, Centre de Recherche en Sciences Naturelles de Lwiro,
Bukva, DR Congo
2Centre de Recherche pour la Promotion Rural de l’Institut Supérieur de Développement Rural de Bukavu, D.R. Congo
3Departement of Environnement, Centre de Recherche en Science Naturelles de Lwiro, Bukavu, D. R. Congo
4Faculté des Sciences Agronomiques et Environnement, Université Evangélique en Afrique, Bukavu, D.R. Congo
5Université Catholique de Bukavu, D R. Congo
*Corresponding author
Abstract:

Biotic indices to monitor water quality are helpful tools for evaluating the health of rivers. Water quality analysis is mainly done using physical and chemical attributes in the DR Congo. The objectives of this study were to assess the biological water of Cirhanyobowa River using macroinvertebrate index and the relationship between physicochemical parameters and the ecological index from January to December, 2017. Eight physicochemical parameters and abundance of macroinvertebrates were obtained for 6 sites from upstream to downstream part, with different land uses. Result showed a decrease in biotic index from upstream (very good water quality) to downstream (bad) due to human activities along the river flows. Brick mining in the downstream part had more effects than agriculture in the upstream part. A correlation analysis showed the variation between the ecological index, abundance of macroinvertebrates and their correlation with physicochemical parameters in Cirhanyobowa River. The findings show that traits can be indicative for different kind of stress but that more effort has to be put in gathering data sets to separate the effect of habitat quality, pollution, and the physicochemical properties of high mountain rivers.


Keywords: Macroinvertebrate fauna, Physicochemical parameters, Cirhanyobowa river, Biological index
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How to cite this article:

Bagalwa, M., I. Mukumba, N. Ndahama, N. Zirirane and Kalala, A.O. 2019. Assessment of River Water Quality using Macroinvertebrate Organisms as Pollution Indicators of Cirhanyobowa River, Lake Kivu, DR Congo.Int.J.Curr.Microbiol.App.Sci. 8(4): 2668-2680. doi: https://doi.org/10.20546/ijcmas.2019.804.310