Pesticide monitoring in the basin of Llobregat River (Catalonia, Spain) and comparison with historical data

被引:152
|
作者
Masia, Ana [1 ]
Campo, Julian [1 ]
Navarro-Ortega, Alicia [2 ]
Barcelo, Damia [2 ,3 ]
Pico, Yolanda [1 ]
机构
[1] Univ Valencia, Fac Pharm, Dept Prevent Med, Food & Environm Safety Res Grp, E-46100 Valencia, Spain
[2] IDAEA CSIC, Inst Environm Assessment & Water Res, Dept Environm Chem, Barcelona 08034, Spain
[3] Univ Girona, Catalan Inst Water Res ICRA, Girona 17003, Spain
关键词
Water; Sediment; Fish; Spatial distribution; Temporal distribution; SOLID-PHASE EXTRACTION; LIQUID-CHROMATOGRAPHY; DRINKING-WATER; MASS-SPECTROMETRY; TREATMENT PLANTS; PHARMACEUTICALS; CONTAMINANTS; ESTROGENS; POLLUTION; REMOVAL;
D O I
10.1016/j.scitotenv.2014.06.095
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Through an extensive sampling in the Llobregat River basin, the presence of 50 currently used pesticides in water, sediment, and biota was assessed. Pesticides were detected primarily in water (up to 56% of the analytes), whereas their presence in sediments was more intermittent, and in biota was scarce. Those at high concentrations in water were the benzimidazoles (carbendazim in 22% of the samples up to 697 ng L-1), the organophosphorus (malathion in 54% of the samples up to 320 ng L-1), and the ureas (diuron in 54% of the samples up to 159 ng L-1). However, this pattern differed in sediments and biota, which were contaminated primarily with organophosphorus (higher K-ow) (chlorpyrifos 93% of sediments up to 131 ng g(-1)). According to the results of this study, pesticide residues in the Llobregat River basin do not seem to represent a high risk to biota, even though some algae and fish can be affected. Nevertheless, the monitoring program can be very useful to control the contamination of the river basin, as the availability of historical data on the basin confirmed background contamination in the last 20 years. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:58 / 68
页数:11
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