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Managing Swedish forestry's impact on mercury in fish: Defining the impact and mitigation measures
Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden.
Örebro University, School of Humanities, Education and Social Sciences.ORCID iD: 0000-0001-6735-0011
Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden; Department of Earth Science, Uppsala University, Uppsala, Sweden.
2016 (English)In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 45, S163-S174 p.Article in journal (Refereed) Published
Resource type
Text
Abstract [en]

Inputs of anthropogenic mercury (Hg) to the environment have led to accumulation of Hg in terrestrial and aquatic ecosystems, contributing to fish Hg concentrations well above the European Union standards in large parts of Fennoscandia. Forestry operations have been reported to increase the concentrations and loads of Hg to surface waters by mobilizing Hg from the soil. This summary of available forestry effect studies reveals considerable variation in treatment effects on total Hg (THg) and methylmercury (MeHg) at different sites, varying from no effect up to manifold concentration increases, especially for the bioavailable MeHg fraction. Since Hg biomagnification depends on trophic structures, forestry impacts on nutrient flows will also influence the Hg in fish. From this, we conclude that recommendations for best management practices in Swedish forestry operations are appropriate from the perspective of mercury contamination. However, the complexity of defining effective policies needs to be recognized.

Place, publisher, year, edition, pages
Springer, 2016. Vol. 45, S163-S174 p.
Keyword [en]
Bioaccumulation, Boreal forest, Forestry effects, Methylation, Methylmercury, Risk governance
National Category
Environmental Sciences
Research subject
Enviromental Science
Identifiers
URN: urn:nbn:se:oru:diva-49886DOI: 10.1007/s13280-015-0752-7ISI: 000372300000009PubMedID: 26744051Scopus ID: 2-s2.0-84953389527OAI: oai:DiVA.org:oru-49886DiVA: diva2:921302
Funder
Mistra - The Swedish Foundation for Strategic Environmental Research
Note

Funding Agencies:

Forestry Research Institute of Sweden (Skogforsk)

Swedish University of Agricultural Sciences (SLU)

Umeå University

Available from: 2016-04-20 Created: 2016-04-20 Last updated: 2017-10-17Bibliographically approved

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CiteExportLink to record
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Citation style
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