Monitoring of current-use pesticides along a Europe-Arctic transect using ships of opportunity.
J Hazard Mater
; 478: 135459, 2024 Oct 05.
Article
em En
| MEDLINE
| ID: mdl-39137552
ABSTRACT
Understanding the occurrence and fate of current-use pesticides (CUPs) in coastal and open marine waters is essential for conducting exposure and risk assessments to ensure the protection of marine ecosystems from chemical pollution. While CUPs have been frequently studied in freshwater systems, knowledge of their behavior in marine environments remains fragmentary. This study investigated 28 CUPs across 50 sites along a transect from the Baltic outflow to pristine Arctic waters using ships of opportunity with installed FerryBox system. Overall, 14 CUPs were detected at least at one site at concentrations ranging from sub-ng/L to ng/L. CUP concentrations were higher in the Baltic outflow and decreased along the transect. Atrazine, simazine, tebuconazole, and propiconazole were detected in > 40 % of samples, including remote open sea regions, suggesting their potential for long-range marine transport. This Baltic Sea was identified as a major source of CUPs to connected marine systems. Additional CUPs were detected in the Baltic outflow, encompassing diuron, isoproturon, metazachlor, metolachlor, pyrazon, terbuthylazine, and chlortoluron. Ecotoxicological assessment indicated a moderate risk posed by metolachlor to algae. The use of the described infrastructure holds great promise for advancing our understanding of the occurrence and fate of CUPs in marine environments.
Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Praguicidas
/
Poluentes Químicos da Água
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Monitoramento Ambiental
País como assunto:
Europa
Idioma:
En
Ano de publicação:
2024
Tipo de documento:
Article