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Pharmaceutical residues affecting the UNESCO biosphere reserve Kristianstads Vattenrike wetlands: sources and sinks
Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys.ORCID iD: 0000-0003-2283-2927
Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys.
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2016 (English)In: Archives of Environmental Contamination and Toxicology, ISSN 0090-4341, E-ISSN 1432-0703, Vol. 71, no 3, 423-436 p.Article in journal (Refereed) Published
Abstract [en]

This study is the first to investigate the pharmaceutical burden from point sources affecting the UNESCO Biosphere Reserve Kristianstads Vattenrike, Sweden. The investigated Biosphere Reserve is a >1000 km(2) wetland system with inflows from lakes, rivers, leachate from landfill, and wastewater-treatment plants (WWTPs). We analysed influent and treated wastewater, leachate water, lake, river, and wetland water alongside sediment for six model pharmaceuticals. The two WWTPs investigated released pharmaceutical residues at levels close to those previously observed in Swedish monitoring exercises. Compound-dependent WWTP removal efficiencies ranging from 12 to 100 % for bendroflumethiazide, oxazepam, atenolol, carbamazepine, and diclofenac were observed. Surface-water concentrations in the most affected lake were ≥100 ng/L for the various pharmaceuticals with atenolol showing the highest levels (>300 ng/L). A small risk assessment showed that adverse single-substance toxicity on aquatic organisms within the UNESCO Biosphere Reserve is unlikely. However, the effects of combinations of a large number of known and unknown pharmaceuticals, metals, and nutrients are still unknown.

Place, publisher, year, edition, pages
2016. Vol. 71, no 3, 423-436 p.
National Category
Environmental Biotechnology
Identifiers
URN: urn:nbn:se:hkr:diva-15684DOI: 10.1007/s00244-016-0303-7ISI: 000382937100013PubMedID: 27480162OAI: oai:DiVA.org:hkr-15684DiVA: diva2:952040
Funder
Region Skåne, Regional handlingsplan för läkemedel och miljö, Dnr 1400978Knowledge Foundation, 20120238EU, FP7, Seventh Framework Programme, PIOF-GA-2012-329996
Available from: 2016-08-11 Created: 2016-08-11 Last updated: 2017-04-20Bibliographically approved

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Björklund, ErlandSvahn, Ola
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CiteExportLink to record
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Citation style
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