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Effects of Sequenti...
Effects of Sequential Applications of Bassa 50EC (Fenobucarb) and Vitashield 40EC (Chlorpyrifos ethyl) on Acetylcholinesterase Activity in Climbing Perch (Anabas testudineus) Cultured in Rice Fields in the Mekong Delta, Vietnam
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- Nguyen, Thanh Tam, 1981- (author)
- Stockholms universitet,Institutionen för naturgeografi,Nong Lam University, Vietnam
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- Berg, Håkan (author)
- Stockholms universitet,Institutionen för naturgeografi
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- Laureus, Jenny (author)
- Stockholms universitet,Institutionen för ekologi, miljö och botanik
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Van Nguyen, Cong (author)
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- Tedengren, Michael (author)
- Stockholms universitet,Institutionen för ekologi, miljö och botanik
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(creator_code:org_t)
- 2016-04-13
- 2016
- English.
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In: Bulletin of Environmental Contamination and Toxicology. - : Springer Science and Business Media LLC. - 0007-4861 .- 1432-0800. ; 97:1, s. 98-104
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- This study assesses the effects of sequential applications of the insecticides Bassa 50EC (fenobucarb-F) and Vitashield 40EC (chlorpyrifos ethyl-CPF), sprayed at concentrations used by rice farmers in the Mekong Delta, on the brain acetylcholinesterase (AChE) in climbing perch fingerlings. After spraying the pesticides on the rice fields, the water concentrations of both insecticides decreased below the detection levels within three days. The sequential applications caused significant inhibition on the brain AChE activity in the exposed fish. The inhibition by F was quicker, but less prolonged, than for CPF. The inhibition levels caused by the sequential applications were lower than those caused by only CPF and by a mixture of CPF and F. The results indicate that sequential applications of pesticides could have a negative impact on aquatic organisms and fish yields, with implication for the aquatic biodiversity, local people’s livelihood and the aquaculture industry in the Mekong Delta.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Keyword
- Climbing perch
- Chlorpyrifos ethyl
- Fenobucarb
- Acetylcholinesterase
- Mekong Delta
- Physical Geography
- naturgeografi
Publication and Content Type
- ref (subject category)
- art (subject category)
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