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Long-term effects of the fungicide pyrimethanil on aquatic primary producers in macrophyte-dominated outdoor mesocosms in two European ecoregions

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dc.contributor.author Müller, R. en_US
dc.contributor.author Shinn, C. en_US
dc.contributor.author Waldvogel, A. M. en_US
dc.contributor.author Oehlmann, J. en_US
dc.contributor.author Ribeiro, R. en_US
dc.contributor.author Moreira-Santos, M. en_US
dc.date.accessioned 2019-06-04T12:20:43Z
dc.date.available 2019-06-04T12:20:43Z
dc.date.issued 2019 en_US
dc.identifier.issn 0048-9697 en_US
dc.identifier.doi http://dx.doi.org/10.1016/j.scitotenv.2019.02.050 en_US
dc.identifier.other ITG-B1A; DBM; U-ENTOM; JIF; DOI; Abstract; Not available; ITMPUB; DSPACE66 en_US
dc.identifier.uri http://hdl.handle.net/10390/10632
dc.description.abstract Even though empirical data supporting sound ecoregion-specific ecotoxicological evaluations are still scarce, the differences of environmental (including climatic) conditions in specific ecoregions are already currently being regulated for environmental risk assessment of pesticides in Europe. To shed new light on the ecotoxicological effects of pesticides on aquatic communities across ecoregions, the model pollutant pyrimethanil (fungicide) was tested in an outdoor mesocosm study with macrophyte-dominated communities in the European "South" (Portugal) and "Centre" (Germany) regulatory zones. Phytoplankton indicators monitored over 12months indicated a low risk of the fungicide (0.73 or 0.77mgpyrimethanilL(-1), single application) to phytoplankton functioning; as expected since exposure simulated worst-case scenarios. However, the growth of key structural macroalgae and macrophytes was affected by the fungicide and negative effects occurred, especially in the Central zone experiment. Such effects were not detected earlier than approximately nine months post single pyrimethanil application. The presence or absence of such extremely long-lasting/delayed pyrimethanil effects depended on species, competitive situation, and ecoregion-specific physico-chemical environment. The present findings suggest that a better understanding of both direct and indirect effects of fungicide pollution on aquatic flora in two European ecoregions helps to consolidate the environmental risk assessment of pesticides in specific regulatory zones. en_US
dc.language English en_US
dc.relation.uri http://www.ncbi.nlm.nih.gov/pubmed/30790766 en_US
dc.subject Pesticides en_US
dc.subject Fungicides en_US
dc.subject Pyrimethanil en_US
dc.subject Ecotoxicology en_US
dc.subject Portugal en_US
dc.subject Germany en_US
dc.subject Europe en_US
dc.title Long-term effects of the fungicide pyrimethanil on aquatic primary producers in macrophyte-dominated outdoor mesocosms in two European ecoregions en_US
dc.type Article en_US
dc.citation.jtitle Science of the Total Environment en_US
dc.citation.volume 665 en_US
dc.citation.pages 982-994 en_US
dc.citation.abbreviation Sci Total Environ en_US


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