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Levels and trends of current-use pesticides(CUPs)in the arctic:An updated review,2010-2018

Emerging Contaminants 2019年第1期5卷 70-88页

作者： Jennifer E.Balmer Adam D.Morris Hayley Hung Liisa Jantunen Katrin Vorkamp Frank Riget Marlene Evans magali houde Derek C.G.Muir Arctic Monitoring and Assessment Programme Fram CentrePO Box 6606Langnes9296TromsøNorway Department of Biology The Citadel171 Moultrie StreetCharlestonSCUSA Environment and Climate Change Canada National Wildlife Research CenterOttawaCanada Air Quality Processes Research Section Environment and Climate Change CanadaTorontoOntarioCanada Air Quality Processes Research Section Environment and Climate Change CanadaEgbertOntarioCanada Aarhus University Department of Environmental ScienceArctic Research CentreRoskildeDenmark Aarhus University Department of BioscienceRoskildeDenmark Aquatic Ecosystem Protection Research Division Environment Canada11 Innovation BlvdSaskatoonSKS7N 3H5Canada Environment and Climate Change Canada St.Lawrence CenterMontrealQuebecCanada Environment and Climate Change Canada Canada Centre for Inland WatersBurlingtonOntarioCanada

Global regulations and many regional and national controls restrict the use of substances that exhibit the potential for environmental persistence and long-range ***,many current-use pesticides(CUPs)continue to be newly discovered in remote regions,including the *** present review serves as an update,summarizing newly available information for CUPs in the Arctic environment and biota published from 2010 to *** 2010,at least seven new CUPs have been measured in Arctic media:2-methyl-4-chlorophenoxyacetic acid(MCPA),metribuzin,pendimethalin,phosalone,quizalofop-ethyl,tefluthrin and *** the large number of pesticides in current use,the number measured in the Arctic is very limited,however,modelling studies have identified additional CUPs as potential Arctic contaminants that have yet to be investigated in the *** to their recent detection,reports of CUPs in the Arctic are limited,but *** have been reported in a wide range of abiotic Arctic matrices,including air,snow,ice,freshwater and seawater,indicating their capacity for long-range atmospheric transport,however,concentrations are generally low in comparison to legacy pesticides and other persistent organic pollutants(POPs).Recent food-web studies indicate CUPs can enter Arctic terrestrial and marine food chains,however,in contrast to POPs,the highest concentrations of many CUPs were found in lower trophic-level organisms,and the lowest concentrations detected in animals at the highest trophic levels(i.e,ringed seals,polar bear,caribou,and wolves)indicating significant trophic *** detection of CUPs in the remote Arctic ecosystem reinforces the need for continued monitoring of both known and potential Arctic pollutants to prevent impacts on human and environmental health as the global arsenal of pesticides used in agriculture continuously changes.

关键词： POPs Contaminants Air Biota Long-range transport Persistence

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