Journal article
Seasonal exposure of fish to neurotoxic pesticides in an intensive agricultural catchment, Uma‐oya, Sri Lanka: Linking contamination and acetylcholinesterase inhibition
Abstract
The annual cultivation pattern in the Uma-oya catchment in Sri Lanka is characterized by Yala and Maha rainfall periods and associated cropping. Two cultivation seasons were compared for pesticide residues: base flow, field drainage, and the runoff and supplementary sediment data for three sites in the catchment. Organophosphate and N-methyl carbamate pesticide analysis confirmed a higher concentration in the Yala season with low-flow …
Authors
Sumith JA; Hansani PLC; Weeraratne TC; Munkittrick KR
Journal
Environmental Toxicology and Chemistry, Vol. 31, No. 7, pp. 1501–1510
Publisher
Oxford University Press (OUP)
Publication Date
July 1, 2012
DOI
10.1002/etc.1841
ISSN
0730-7268