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Physico-chemical characterization of Lake Togbadji

Author

Listed:
  • Vitalique ELEGBEDE

    (University of Abomey-Calavi (UAC) / Doctoral School of Exact and Applied Sciences)

  • Dominique KPADONOU

    (Research Unit in Ecotoxicology and Study of Quality, Laboratory of Study and Research in Applied Chemistry, Department of Chemical Engineering-Processes (GC-P), Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, 07 BP 507, Benin)

  • DOSSOU-GBETE Joël

    (University of Abomey-Calavi (UAC) / Doctoral School of Exact and Applied Sciences)

  • Acakpo Nonvignon Magloire GBAGUIDI

    (Research Unit in Ecotoxicology and Study of Quality, Laboratory of Study and Research in Applied Chemistry, Department of Chemical Engineering-Processes (GC-P), Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, 07 BP 507, Benin)

Abstract

This study focused on the physico-chemical characterization of Lake Togbadji, located in southwestern Benin. The methodological approach followed was as follows: literature review, sampling and in-situ measurements, analysis of collected samples, and data processing. Parameters such as pH, temperature, dissolved oxygen, TDS, and ORP were determined in-situ, while color, TSS, and other parameters were analyzed in the laboratory. The obtained results were subjected to descriptive statistics, the Wilcoxon test for two samples to determine the impact of different locations on the abundance of microbiological contaminants, and Principal Component Analysis (PCA) using R software version 3.5.0 to group pollution parameters according to different levels and sources of contamination. From our results, it was found that the main sources of pollution in Lake Togbadji are runoff water, various wastewater discharges from artisanal activities, livestock farming, and open defecation. On a physico-chemical level, the recorded levels do not suggest pollution of the lake.

Suggested Citation

Handle: RePEc:alk:ijbpcs:v:5:y:2023:i:2:id:6188
DOI: 10.32996/ijbpcs.2023.5.2.6
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