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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/35995
Title: Organochlorine pesticide levels in the food web in rice paddies of Bueng Boraphet wetland, Thailand
Authors: Rattanawat Chaiyarat
Chadaporn Sookjam
Krairat Eiam-Ampai
Praneet Damrongphol
Mahidol University
Wildlife and Plant
Keywords: Environmental Science
Issue Date: 1-May-2015
Citation: Environmental Monitoring and Assessment. Vol.187, No.5 (2015)
Abstract: © 2015, Springer International Publishing Switzerland. The contamination by organochlorine pesticides (OCPs) of water, sediments, rice grains and leaves, and animals of different trophic levels, collected from rice paddies surrounding Bueng Boraphet wetland, central Thailand, was studied during November 2009 to February 2010. The levels of total dichlorodiphenyltrichloroethanes (ΣDDT) were too low to be detected in any samples. High levels of total hexachlorocyclohexanes (ΣHCH) and total aldrins (ΣALD) and low levels of total chlordanes (ΣCHL) were detected in both sediments and rice grains. α-HCH, β-HCH, γ-HCH, and aldrin in rice grains exceeded the acceptable limits set by the Ministry of Public Health of Thailand. Rice grains were at high risk of contamination due to the direct spraying of OCPs. Fishes were contaminated with moderate levels of aldrin. Continued surveys of pesticide contamination in water, sediments, and organisms of each trophic level are recommended to more effectively monitor and control agricultural pesticide usage around Bueng Boraphet wetland and to further assess the ecological risks and impacts on human health.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84928248288&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/35995
ISSN: 15732959
01676369
Appears in Collections:Scopus 2011-2015

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