NEUWIRTHOVÁ, Natália, Marek TROJAN, Markéta SVOBODOVÁ, Jana VAŠÍČKOVÁ, Zdeněk ŠIMEK, Jakub HOFMAN and Lucie BIELSKÁ. Pesticide residues remaining in soils from previous growing season(s) - Can they accumulate in non-target organisms and contaminate the food web? Science of the Total Environment. Amsterdam: Elsevier Science, 2019, vol. 646, January, p. 1056-1062. ISSN 0048-9697. Available from: https://dx.doi.org/10.1016/j.scitotenv.2018.07.357.
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Basic information
Original name Pesticide residues remaining in soils from previous growing season(s) - Can they accumulate in non-target organisms and contaminate the food web?
Authors NEUWIRTHOVÁ, Natália (703 Slovakia, belonging to the institution), Marek TROJAN (703 Slovakia, belonging to the institution), Markéta SVOBODOVÁ (203 Czech Republic, belonging to the institution), Jana VAŠÍČKOVÁ (203 Czech Republic, belonging to the institution), Zdeněk ŠIMEK (203 Czech Republic, belonging to the institution), Jakub HOFMAN (203 Czech Republic, belonging to the institution) and Lucie BIELSKÁ (203 Czech Republic, guarantor, belonging to the institution).
Edition Science of the Total Environment, Amsterdam, Elsevier Science, 2019, 0048-9697.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10511 Environmental sciences
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
WWW Full Text
Impact factor Impact factor: 6.551
RIV identification code RIV/00216224:14310/19:00107555
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1016/j.scitotenv.2018.07.357
UT WoS 000445164800102
Keywords in English Pesticides; Soil; Residues; Earthworm; Lettuce; Solid-phase microextraction
Tags rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Marie Šípková, DiS., učo 437722. Changed: 23/3/2020 17:49.
Abstract
Epoxiconazole, tebuconazole, flusilazole, prochloraz, pendimethalin, and the atrazine transformation product (2-hydroxyatrazine) have been found in Czech arable soils at high detection frequencies and/or concentrations. As they have been shown to persist from one growing season to following ones, the question arises of whether they can be taken up by non-target soil organisms and by subsequently planted crops. To reveal this, soils field contaminated with pesticide residues were subjected to laboratory microcosm studies to measure i) dissipation rates, ii) accumulation in earthworms and lettuce, and iii) exposure by means of solid-phase microextraction (SPME). In parallel, tests with a freshly laboratory-contaminated soil were performed and represented the worst case scenario to be compared with. It was observed that at the residual levels (<= 0.1 mg/kg), the behavior of field aged and fresh residues was similar, except for bioaccumulation in earthworms that was significantly lower for aged residues than for fresh residues. Residues' potential for bioconcentration was generally low, i.e., below the maximum residue limits (MRLs) of lettuce. This is in line with SPME results showing low levels of exposure via soil porewater. It follows that these pesticide residues are not likely to pose significant threats to the soil environment, the food web and, consequently, human health if present in soils at levels of <= 0.1 mg/kg.
Links
EF16_013/0001761, research and development projectName: RECETOX RI
GA15-20065S, research and development projectName: Osud a biodostupnost v současnosti používaných a nových pesticidů v zemědělsky využívaných fluvizemích - vliv vlastností půd a pesticidů
Investor: Czech Science Foundation
LM2015051, research and development projectName: Centrum pro výzkum toxických látek v prostředí (Acronym: RECETOX RI)
Investor: Ministry of Education, Youth and Sports of the CR
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