Ecological risks and risk mitigation measures related to water quality and agriculture

Addressing the ecological impacts of agriculture on water quality, this contribution highlights the urgent need for landscape-based risk mitigation to preserve freshwater ecosystem services. Agricultural practices including monocropping, fertilizer and pesticide use, irrigation drainage, and livesto...

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Main Authors: Lamizana, B., Drechsel, Pay
Format: Book Chapter
Language:Inglés
Published: 2023
Subjects:
Online Access:https://hdl.handle.net/10568/132083
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author Lamizana, B.
Drechsel, Pay
author_browse Drechsel, Pay
Lamizana, B.
author_facet Lamizana, B.
Drechsel, Pay
author_sort Lamizana, B.
collection Repository of Agricultural Research Outputs (CGSpace)
description Addressing the ecological impacts of agriculture on water quality, this contribution highlights the urgent need for landscape-based risk mitigation to preserve freshwater ecosystem services. Agricultural practices including monocropping, fertilizer and pesticide use, irrigation drainage, and livestock and aquaculture operations contribute significantly to pollution, biodiversity loss, and downstream eutrophication. The document outlines how nutrient runoff, sedimentation, and chemical contamination from farms disturb aquatic life, reduce oxygen levels, and degrade wetland functions. Emphasizing a precautionary, ecosystem-health approach, the text promotes good agricultural practices tailored to local conditions. These include soil conservation techniques, optimized fertilizer and pesticide use, integrated pest management, and environmentally sound irrigation design. For livestock and aquaculture, waste containment and water treatment measures such as constructed wetlands are recommended. Benchmark indicators like nitrogen and phosphorus thresholds, turbidity, dissolved oxygen, and toxic element concentrations are used to assess ecosystem integrity. The brief also recognizes the importance of behavior change, community awareness, and economic incentives such as certification schemes and payment for ecosystem services (PES) to encourage adoption of sustainable practices. By integrating practical controls with ecological criteria, the guidance offers a roadmap for balancing productivity and environmental resilience in agro-ecosystems.
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spelling CGSpace1320832025-12-08T09:54:28Z Ecological risks and risk mitigation measures related to water quality and agriculture Lamizana, B. Drechsel, Pay water quality water pollution agricultural pollution ecological factors risk reduction contamination good agricultural practices freshwater ecosystems physicochemical properties Addressing the ecological impacts of agriculture on water quality, this contribution highlights the urgent need for landscape-based risk mitigation to preserve freshwater ecosystem services. Agricultural practices including monocropping, fertilizer and pesticide use, irrigation drainage, and livestock and aquaculture operations contribute significantly to pollution, biodiversity loss, and downstream eutrophication. The document outlines how nutrient runoff, sedimentation, and chemical contamination from farms disturb aquatic life, reduce oxygen levels, and degrade wetland functions. Emphasizing a precautionary, ecosystem-health approach, the text promotes good agricultural practices tailored to local conditions. These include soil conservation techniques, optimized fertilizer and pesticide use, integrated pest management, and environmentally sound irrigation design. For livestock and aquaculture, waste containment and water treatment measures such as constructed wetlands are recommended. Benchmark indicators like nitrogen and phosphorus thresholds, turbidity, dissolved oxygen, and toxic element concentrations are used to assess ecosystem integrity. The brief also recognizes the importance of behavior change, community awareness, and economic incentives such as certification schemes and payment for ecosystem services (PES) to encourage adoption of sustainable practices. By integrating practical controls with ecological criteria, the guidance offers a roadmap for balancing productivity and environmental resilience in agro-ecosystems. 2023-09-08 2023-09-30T20:22:55Z 2023-09-30T20:22:55Z Book Chapter https://hdl.handle.net/10568/132083 en Open Access application/pdf Lamizana, B.; Drechsel, Pay. 2023. Ecological risks and risk mitigation measures related to water quality and agriculture. 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.109-117.
spellingShingle water quality
water pollution
agricultural pollution
ecological factors
risk reduction
contamination
good agricultural practices
freshwater ecosystems
physicochemical properties
Lamizana, B.
Drechsel, Pay
Ecological risks and risk mitigation measures related to water quality and agriculture
title Ecological risks and risk mitigation measures related to water quality and agriculture
title_full Ecological risks and risk mitigation measures related to water quality and agriculture
title_fullStr Ecological risks and risk mitigation measures related to water quality and agriculture
title_full_unstemmed Ecological risks and risk mitigation measures related to water quality and agriculture
title_short Ecological risks and risk mitigation measures related to water quality and agriculture
title_sort ecological risks and risk mitigation measures related to water quality and agriculture
topic water quality
water pollution
agricultural pollution
ecological factors
risk reduction
contamination
good agricultural practices
freshwater ecosystems
physicochemical properties
url https://hdl.handle.net/10568/132083
work_keys_str_mv AT lamizanab ecologicalrisksandriskmitigationmeasuresrelatedtowaterqualityandagriculture
AT drechselpay ecologicalrisksandriskmitigationmeasuresrelatedtowaterqualityandagriculture