Water quality and aquaculture

The quality of water used in aquaculture plays a dual role, it not only affects fish health and productivity but also influences environmental sustainability. This section presents practical insights and scientific benchmarks for managing aquaculture systems that use marginal or wastewater sources,...

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Main Authors: Amoah, Philip, Drechsel, Pay
Format: Book Chapter
Language:Inglés
Published: 2023
Subjects:
Online Access:https://hdl.handle.net/10568/132081
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author Amoah, Philip
Drechsel, Pay
author_browse Amoah, Philip
Drechsel, Pay
author_facet Amoah, Philip
Drechsel, Pay
author_sort Amoah, Philip
collection Repository of Agricultural Research Outputs (CGSpace)
description The quality of water used in aquaculture plays a dual role, it not only affects fish health and productivity but also influences environmental sustainability. This section presents practical insights and scientific benchmarks for managing aquaculture systems that use marginal or wastewater sources, particularly in developing countries. It explores common systems from Cambodia to Calcutta, where farmers use treated or untreated wastewater in fish and aquatic plant production. While some species like catfish and tilapia show resilience to low dissolved oxygen and nutrient-rich waters, optimal management is critical to balance nutrient inputs, prevent toxic buildup, and maintain fish growth and safety. The chapter outlines key risk mitigation strategies, such as species selection, mechanical aeration, depuration, and hygiene measures, to reduce human health risks from pathogens and bioaccumulated toxins. It also introduces a multi-barrier monitoring approach rooted in WHO’s sanitation safety planning. Environmental concerns from aquaculture particularly in dense systems like pangasius and shrimp farming in Vietnam are addressed through integrated farming models, sludge treatment, constructed wetlands, and market-driven incentives like certification schemes. By linking fish farming practices with water quality safeguards and policy incentives, the chapter offers a comprehensive guide to sustainable, low-risk aquaculture that supports both livelihoods and ecosystem protection.
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spelling CGSpace1320812025-11-07T08:04:44Z Water quality and aquaculture Amoah, Philip Drechsel, Pay water quality aquaculture wastewater aquaculture aquatic plant cultivation fish culture pangasius shrimp culture human health health hazards risk reduction water pollution environmental impact assessment farmers guidelines The quality of water used in aquaculture plays a dual role, it not only affects fish health and productivity but also influences environmental sustainability. This section presents practical insights and scientific benchmarks for managing aquaculture systems that use marginal or wastewater sources, particularly in developing countries. It explores common systems from Cambodia to Calcutta, where farmers use treated or untreated wastewater in fish and aquatic plant production. While some species like catfish and tilapia show resilience to low dissolved oxygen and nutrient-rich waters, optimal management is critical to balance nutrient inputs, prevent toxic buildup, and maintain fish growth and safety. The chapter outlines key risk mitigation strategies, such as species selection, mechanical aeration, depuration, and hygiene measures, to reduce human health risks from pathogens and bioaccumulated toxins. It also introduces a multi-barrier monitoring approach rooted in WHO’s sanitation safety planning. Environmental concerns from aquaculture particularly in dense systems like pangasius and shrimp farming in Vietnam are addressed through integrated farming models, sludge treatment, constructed wetlands, and market-driven incentives like certification schemes. By linking fish farming practices with water quality safeguards and policy incentives, the chapter offers a comprehensive guide to sustainable, low-risk aquaculture that supports both livelihoods and ecosystem protection. 2023-09-08 2023-09-30T20:08:06Z 2023-09-30T20:08:06Z Book Chapter https://hdl.handle.net/10568/132081 en Open Access application/pdf Amoah, Philip; Drechsel, Pay. 2023. Water quality and aquaculture. In Drechsel, Pay; Marjani Zadeh, S.; Salcedo, F. P. (Eds.). Water quality in agriculture: risks and risk mitigation. Rome, Italy: FAO; Colombo, Sri Lanka: International Water Management Institute (IWMI). pp.77-92.
spellingShingle water quality
aquaculture
wastewater aquaculture
aquatic plant cultivation
fish culture
pangasius
shrimp culture
human health
health hazards
risk reduction
water pollution
environmental impact assessment
farmers
guidelines
Amoah, Philip
Drechsel, Pay
Water quality and aquaculture
title Water quality and aquaculture
title_full Water quality and aquaculture
title_fullStr Water quality and aquaculture
title_full_unstemmed Water quality and aquaculture
title_short Water quality and aquaculture
title_sort water quality and aquaculture
topic water quality
aquaculture
wastewater aquaculture
aquatic plant cultivation
fish culture
pangasius
shrimp culture
human health
health hazards
risk reduction
water pollution
environmental impact assessment
farmers
guidelines
url https://hdl.handle.net/10568/132081
work_keys_str_mv AT amoahphilip waterqualityandaquaculture
AT drechselpay waterqualityandaquaculture