Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-3773
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dc.contributor.authorSchönborn, Andreas-
dc.contributor.authorKunz, Petra-
dc.contributor.authorKoster, Margie-
dc.date.accessioned2018-06-25T14:05:34Z-
dc.date.available2018-06-25T14:05:34Z-
dc.date.issued2015-
dc.identifier.issn2190-4707de_CH
dc.identifier.issn2190-4715de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/7253-
dc.description.abstractBackground: Dairy cow manure applied to pastures is a significant potential source of estrogenic contamination in nearby streams. One possible pathway is through infiltration via preferential flow to drainage pipes, particularly after heavy rainfall events. In a period of 73 days in the spring of 2010, a drainage catchment in a cattle pasture in the Swiss lowlands was closely monitored. Manure was applied three times during the study, and part of the catchment was also subjected to grazing. During five field campaigns, water samples from two sampling locations were taken for 4–24 h in consecutive sampling intervals. 17β-estradiol equivalents (EEQ) were determined with the yeast estrogen screen (YES) and the ER-CALUX assay. Some water chemistry parameters, pH, conductivity, oxygen content and soil moisture tension were also monitored. Results: Washout of estrogenic activity was highest during or right after heavy rainfall events, shortly after manure spreading, when peak values of >10 ng/l EEQ were found in several samples. However, in two field campaigns, high EEQ values were also found 14 and 28 days, after the last manure application, in one case during a dry weather period. This indicates that estrogenic compounds are more stable in natural soils than what is expected from data gathered in lab studies. Conclusions: Streams in agricultural areas with a high proportion of drained land may be subject to numerous peaks of EEQ during the course of the year. This may have a negative effect on aquatic organisms, namely fish embryos, living in these streams.de_CH
dc.language.isodede_CH
dc.publisherSpringerde_CH
dc.relation.ispartofEnvironmental Sciences Europede_CH
dc.rightshttp://creativecommons.org/licenses/by/4.0/de_CH
dc.subjectEstrogenic activityde_CH
dc.subjectDairy manurede_CH
dc.subjectDrainagede_CH
dc.subjectAquatic systemde_CH
dc.subject.ddc333: Bodenwirtschaft und Ressourcende_CH
dc.subject.ddc630: Landwirtschaftde_CH
dc.titleEstrogenic activity in drainage water : a field study on a Swiss cattle pasturede_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementLife Sciences und Facility Managementde_CH
zhaw.organisationalunitInstitut für Umwelt und Natürliche Ressourcen (IUNR)de_CH
dc.identifier.doi10.21256/zhaw-3773-
dc.identifier.doi10.1186/s12302-015-0047-4de_CH
zhaw.funding.euNode_CH
zhaw.issue17de_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume27de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedÖkotechnologiede_CH
Appears in Collections:Publikationen Life Sciences und Facility Management

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