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Looking back - Looking forward: A novel multi-time slice weight-of-evidence approach for defining reference conditions to assess the impact of human activities on lake systems
Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, RWTH Aachen University, Aachen, Germany; College of Environmental Science and Engineering and State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanhai, China; School of Environment, Nanjing University, Nanjing, China; College of Resources and Environmental Science, Chongqing University, Chongqing, China.
Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, RWTH Aachen University, Aachen, Germany.
Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, RWTH Aachen University, Aachen, Germany; Department Effect-Directed Analysis, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany.
Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, RWTH Aachen University, Aachen, Germany; Toxicology Centre, University of Saskatchewan, Saskatoon, Canada.
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2018 (English)In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 626, p. 1036-1046Article in journal (Refereed) Published
Abstract [en]

Lake ecosystems are sensitive recorders of environmental changes that provide continuous archives at annual to decadal resolution over thousands of years. The systematic investigation of land use changes and emission of pollutants archived in Holocene lake sediments as well as the reconstruction of contamination, background conditions, and sensitivity of lake systems offer an ideal opportunity to study environmental dynamics and consequences of anthropogenic impact that increasingly pose risks to human well-being. This paper discusses the use of sediment and other lines of evidence in providing a record of historical and current contamination in lake ecosystems. We present a novel approach to investigate impacts from human activities using chemical-analytical, bioanalytical, ecological, paleolimnological, paleoecotoxicological, archeological as well as modeling techniques. This multi-time slice weight-of-evidence (WOE) approach will generate knowledge on conditions prior to anthropogenic influence and provide knowledge to (i) create a better understanding of the effects of anthropogenic disturbances on biodiversity, (ii) assess water quality by using quantitative data on historical pollution and persistence of pollutants archived over thousands of years in sediments, and (iii) define environmental threshold values using modeling methods. This technique may be applied in order to gain insights into reference conditions of surface and ground waters in catchments with a long history of land use and human impact, which is still a major need that is currently not yet addressed within the context of the European Water Framework Directive.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 626, p. 1036-1046
Keywords [en]
EU WFD, Lakes, Weight-of-evidence approach, Reference conditions, Dioxin-like activity, Sediment quality triad approach
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:oru:diva-66496DOI: 10.1016/j.scitotenv.2018.01.113ISI: 000428194000103PubMedID: 29898512Scopus ID: 2-s2.0-85042916000OAI: oai:DiVA.org:oru-66496DiVA, id: diva2:1196869
Note

Funding Agencies:

Deutsche Forschungsgemeinschaft  

Banting Postdoctoral Fellowship of the Natural Sciences and Engineering Research Council of Canada (NSERC) 

Available from: 2018-04-11 Created: 2018-04-11 Last updated: 2018-10-16Bibliographically approved

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Keiter, Steffen

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