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Investigation of the contamination of water resources by agricultural chemicals and the impact on environmental health
Expanded Title:Agricultural activity is potentially a source of a number of hazardous chemicals in water resources. Concerns have been expressed that some of the pesticides used in agricultural practice (crop spraying and animal disease control) may enter and pollute rivers and dams and cause endocrine disrupter effects in animals and humans that use the water for drinking and recreational purposes. A previous scoping study indicates that there is no clarity on the extent and level of contamination of water resources by agricultural products with ED (endocrine disrupting) properties. However, a number of WRC studies have been done, identifying different chemicals in different areas that are hazardous as well as having ED properties and some studies identified EDCs in water resources and indicated ED effects in sentinel species in and around contaminated water resources. Most of these studies in South Africa are not specifically focused on the link between the chemicals used in agricultural practices and the impact on human health with water as a pathway. This project will focus specifically on agricultural chemicals. As stated in the scoping study, gaps in knowledge exist and research is necessary which will lead to guidelines for South African authorities to direct the safe use of agricultural chemicals in water resource management.
Date Published:01/10/2015
Document Type:Research Report
Document Subjects:Agricultural Water - Small holder irrigation
Document Keywords:Health, Surface Water, Water Quality
Document Format:Report
Document File Type:pdf
Research Report Type:Technical
WRC Report No:TT 642/15
ISBN No:978-1-4312-0712-1
Authors:Dabrowski JM
Project No:K5/1956
Organizations:CSIR Natural Resources and the Environment
Document Size:2 155 KB
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