The Toxicology and Risk Assessment of Agricultural Runoff and Aquaculture Pollution

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water, Agriculture and Aquaculture".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 1141

Special Issue Editor


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Guest Editor
Department of Chemistry, Oakland University, Rochester, MI 48309, USA
Interests: environmental pollution; water quality; water analysis; wastewater treatment

Special Issue Information

Dear Colleagues,

Food production needs to increase worldwide to accommodate a growing human population confronted with climate change. One challenge has been to protect freshwater and marine systems from water pollution generated by agriculture and aquaculture.  Contamination of our waterways impacts human and ecosystem health. Pollution includes changes in general water quality parameters as well as specific organic or inorganic contaminants. Pollution also includes microbes such as antibiotic-resistant bacteria transferred to the environment from agriculture and aquaculture.

Agricultural runoff from animal feed lots and farms can carry pesticides, veterinary medicines, particles, and fertilizers, which contaminate surface waters and groundwater. Nutrient waste containing nitrogen and phosphorus can trigger algal blooms, some of which generate toxicants.

Pond aquaculture and open-net pens can contribute to water pollution in the form of nutrient waste produced by the farmed species. In addition, biocides and chemicals used to treat the water in which the fish or shellfish are grown can leach into the environment. In one type of aquaculture, raceways divert flowing water from natural streams in order to raise trout. Each method of aquaculture has different risks to the environment from a pollution standpoint.

We would like to invite authors to submit their original research or review papers on the toxicology and risk assessment of aquaculture pollution and agricultural runoff. Subtopic examples include the occurrence, fate (e.g., transformations, body burden, bioaccumulation, biomagnification), and effects of pollutants from agricultural runoff or aquaculture to the ecosystem and human health; biomarkers of exposure and exposure pathways; probabilistic risk assessment for chemicals entering the environment; and case studies which can include mitigation strategies.

Dr. Linda Schweitzer
Guest Editor

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Keywords

  • aquaculture
  • aquaculture pollution
  • toxicology
  • risk assessment
  • water quality

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Published Papers (1 paper)

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Review

25 pages, 3248 KiB  
Review
Nutrient Water Pollution from Unsustainable Patterns of Agricultural Systems, Effects and Measures of Integrated Farming
by Roxana Maria Madjar, Gina Vasile Scăețeanu and Mirela Alina Sandu
Water 2024, 16(21), 3146; https://doi.org/10.3390/w16213146 - 3 Nov 2024
Viewed by 962
Abstract
Nowadays, agricultural practices require special attention due to their important contribution to water pollution, the more so as they are associated with environmental and health impairments. Despite legislation addressing nutrient pollution, there are still high levels of nutrients in water bodies, as evidenced [...] Read more.
Nowadays, agricultural practices require special attention due to their important contribution to water pollution, the more so as they are associated with environmental and health impairments. Despite legislation addressing nutrient pollution, there are still high levels of nutrients in water bodies, as evidenced by the results identified in the literature. Among nutrients of environmental concern identified in water and associated with agricultural practices are nitrogen and phosphorus. When applied in excess under fertilizer form, these nutrients accumulate in water bodies with consequences such as eutrophication or human health impairments if water is used for drinking. The purpose of this review paper is to present the current state of nutrient water pollution generated by unsustainable agricultural practices. In addition, are presented the main legislative regulations addressing water quality imposed by the European Union, are described aspects related to nitrogen and phosphorus pollution from agriculture, and levels of nutrients in water bodies from different European countries. Also, effects of agricultural pollution on the environment and humans are discussed, and possible strategies that could be employed to decrease or prevent water pollution are reviewed. Full article
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