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Impacts of anthropogenic activities on water quality in the Guiers Lake basin: a spatio-temporal evolution of emerging pollutants

IWRA 2023 Online Conference - Emerging Pollutants: Protecting Water Quality for the Health of People and the Environment
Theme 1: Emerging pollutants in aquatic ecosystems
Author(s): Hikimat Saadi

Hikimat Saadi, Cheikh Anta Diop University (UCAD); Doctoral School on Water, Quality and Uses of Water (EDEQUE)

Hikimat Saadi 1,3* , Serigne Faye 1**, Andrew Ogilvie 2 , Diery BA3 , Isai Bassene 1
1 Department of Geology, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, Senegal
2 Development Research Institute
3 SEN’EAU (SUEZ)
 


Oral: PDF

Abstract

STUDY CONCLUSIONS

  • Annual increase of pesticide use and occurrence of new molecules in recent years
  • Growing anthropic pressures (intensive agriculture, sanitation, water withdrawals) combined with climate change threaten the lake's water resources (pollution, eutrophication…)
  • In depth sampling, spatial analysis and modeling tools for the qualitative and quantitative monitoring of the Lake Guiers basin (BLG) are implemented as part of our research
  • High to moderate pollution levels have been detected at some sites for most of the targeted parameters.
  • Environmental degradation of the BLG resources is not negligible, and impacts on human health to be expected considering all the parameters under study (nutrients, pesticides, metals, major elements, chlorophyll, cyanobacteria)
  • Ongoing monitoring of the chemicals and emerging pollutants in the BLG is required and must be accompanied by:
  • Integrated management of BLG's resources with multiple stakeholders
  • Increased awareness to avoid eutrophication

Wednesday, January 18th , 2023 / 12:30 CET

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