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The Integrating Impacts of Extreme Weather Events and Shrimp Farming Practices on Coastal Water Resource Quality in Ninh Thuan Province, Vietnam

Author

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  • Thu Thuy Cao

    (Laboratory of Mass Spectrometry, MolSys Research Unit, University of Liege, 4000 Liege, Belgium
    Institute of Environmental Science, Engineering and Management, Industrial University of Ho Chi Minh City, Ho Chi Minh City 70000, Vietnam)

  • Kieu Lan Phuong Nguyen

    (Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City 70000, Vietnam)

  • Hung Anh Le

    (Institute of Environmental Science, Engineering and Management, Industrial University of Ho Chi Minh City, Ho Chi Minh City 70000, Vietnam)

  • Gauthier Eppe

    (Laboratory of Mass Spectrometry, MolSys Research Unit, University of Liege, 4000 Liege, Belgium)

Abstract

Ninh Thuan is a coastal province in the central region of Vietnam and is characterized by a climate that is the hottest and driest in the country. Vietnam is also one of the top five countries most vulnerable to the effects of climate change worldwide. The objective of this study was a thorough evaluation of the quality of water supply sources and the impacts of water effluents from shrimp farms in Ninh Thuan province. The comprehensive evaluation was based on an understanding of the water–wastewater cycle employed in coastal shrimp cultivation. We combined qualitative and quantitative analyses in undertaking this study. Secondary data of groundwater and coastal water from the local periodic water quality monitoring program and national technical regulations were collected in the qualitative approach. We also integrated participatory rural appraisal techniques and field observations to understanding shrimp cultivation and the environmental and social impacts of shrimp farm effluents. The quantitative assessment consisted of measuring groundwater and wastewater contamination from shrimp ponds. As a result, four main reasons for water pollution issues were determined including extreme weather events, shrimp cultivation practices, degraded infrastructure, and mismanagement by local governance. Shrimp cultivation practices (feeding, using chemicals) have resulted in elevated levels of suspended solid (TSS, total Coliform), organic and carbon matter (BOD 5 , COD), and excessive nutrients (total Nitrogen, NO 2 -N, NO 3 -N, PO 4 -P). According to a local monitoring program, the coastal water and groundwater have experienced nutrient pollution. Groundwater sampling near the shrimp farms identified salinization elevated levels of Coliform from local domestic sewage sources. This study resulted in an integrated approach that evaluated the combined effects of extreme weather events and shrimp farming practices on the quality of coastal water. Also, the finding can be useful in recommending remedial water treatment technologies as a follow-on phase.

Suggested Citation

  • Thu Thuy Cao & Kieu Lan Phuong Nguyen & Hung Anh Le & Gauthier Eppe, 2024. "The Integrating Impacts of Extreme Weather Events and Shrimp Farming Practices on Coastal Water Resource Quality in Ninh Thuan Province, Vietnam," Sustainability, MDPI, vol. 16(13), pages 1-20, July.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:13:p:5701-:d:1428409
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    References listed on IDEAS

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