The International Journal of Science & Technoledge

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The objective of the study is to evaluate the influence of physico-chemical parameters on the distribution of macro invertebrates. Thus, for mapping biotic data, the 24 families collected and the matrix of physico-chemical parameters, a Canonical Correspondence Analysis (CAC) was performed. Physical analysis results indicate that the pH, depth, conductivity, TDS, and dissolved oxygen influence the distribution of macro invertebrates. In addition, a positive correlation was observed between the pollution-sensitive families: Perlodidae, Beraeidae, Potamanthidae and the pH, the dissolved oxygen, the conductivity then the TDS.


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