Pesticides in Surface Water, Sediment, and Rainfall of the Northeastern Pantanal Basin, Brazil

Within the last 25 years an intensive agriculture has developed in the highland regions of Mato Grosso state (Brazil), which involves frequent pesticide use in highly mechanized cash-crop cultures. To provide information on pesticide distribution and dynamics in the northeastern Pantanal basin (loca...

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Bibliographic Details
Published in:Journal of environmental quality 2002-09, Vol.31 (5), p.1636-1648
Main Authors: Laabs, Volker, Amelung, Wulf, Pinto, Alicio A, Wantzen, Matthias, Silva, Carolina J. da, Zech, Wolfgang
Format: Article
Language:English
Subjects:
Agriculture
Agronomy. Soil science and plant productions
Alachlor
Applied sciences
Biological and medical sciences
Biological and physicochemical phenomena
Brazil
Brazil, Mato Grosso, Pantanal
DDE
Earth sciences
Earth, ocean, space
Endosulfan
Engineering and environment geology. Geothermics
Environmental Monitoring
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
Geologic Sediments - chemistry
Herbicides
Insecticides
Intensive farming
Metabolites
Natural water pollution
Nitrous oxide
Pesticides
Pesticides - analysis
Pollution
Pollution sources. Measurement results
Pollution, environment geology
Rain
Sediment samplers
Soil and sediments pollution
Soil and water pollution
Soil science
Sulfates
Surface water
Trifluralin
Tropical Climate
Water analysis
Water Pollutants, Chemical - analysis
Water pollution
Water sampling
Water treatment and pollution
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Summary:Within the last 25 years an intensive agriculture has developed in the highland regions of Mato Grosso state (Brazil), which involves frequent pesticide use in highly mechanized cash-crop cultures. To provide information on pesticide distribution and dynamics in the northeastern Pantanal basin (located in southern Mato Grosso), we monitored 29 pesticides and 3 metabolites in surface water, sediment, and rainwater of the study area during the main application season. In environmental samples, 19 pesticides and 3 metabolites were detected in measurable quantities, resulting in at least one pesticide detection in 68% of surface water samples (n = 139), 62% of sediment samples (n = 26), and 87% of rainwater samples (n = 91). Surface water samples were most frequently contaminated by endosulfan compounds (α-, β-, -sulfate), ametryn, metolachlor, and metribuzin, although in low (
ISSN:0047-2425
1537-2537
DOI:10.2134/jeq2002.1636