Seasonal variations in air concentrations of 27 organochlorine pesticides (OCPs) and 25 current-use pesticides (CUPs) across three agricultural areas of South Africa

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Authors

VELUDO Adriana Fernandes FIGUEIREDO Daniel Martins DEGRENDELE Céline MASINYANA Lindile CURCHOD Lou KOHOUTEK Jiří KUKUČKA Petr MARTINÍK Jakub PŘIBYLOVÁ Petra KLÁNOVÁ Jana DALVIE Mohamed Aqiel ROOSLI Martin FUHRIMANN Samuel

Year of publication 2022
Type Article in Periodical
Magazine / Source Chemosphere
MU Faculty or unit

Faculty of Science

Citation
Web https://www.sciencedirect.com/science/article/pii/S0045653521036341?via%3Dihub
Doi http://dx.doi.org/10.1016/j.chemosphere.2021.133162
Keywords Organochlorine pesticides; Current-use pesticides; Passive air-sampling; Seasonal variations; Pesticide mixtures; Western cape
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Description For decades pesticides have been used in agriculture, however, the occurrence of legacy organochlorine pesticides (OCPs) and current-use pesticides (CUPs) is poorly understood in Africa. This study investigates air concentrations of OCPs and CUPs in three South African agricultural areas, their spatial/seasonal variations and mixture profiles. Between 2017 and 2018, 54 polyurethane foam-disks passive air-samplers (PUF-PAS) were positioned in three agricultural areas of the Western Cape, producing mainly apples, table grapes and wheat. Within areas, 25 CUPs were measured at two sites (farm and village), and 27 OCPs at one site (farm). Kruskal-Wallis tests investigated area differences in OCPs concentrations, and linear mixed-effect models studied differences in CUPs concentrations between areas, sites and sampling rounds.
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