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Sewage treatment plant associated genetic differentiation in the blue mussel from the Baltic Sea and Swedish west coast
Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology.ORCID iD: 0000-0002-5013-6462
University of Gdansk, Gdynia , Poland.
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2016 (English)In: PeerJ, ISSN 2167-8359, E-ISSN 2167-8359, Vol. 4, e2628Article in journal (Refereed) Published
Abstract [en]

Human-derived environmental pollutants and nutrients that reach the aquatic environment through sewage effluents, agricultural and industrial processes are constantly contributing to environmental changes that serve as drivers for adaptive responses and evolutionary changes in many taxa. In this study, we examined how two types of point sources of aquatic environmental pollution, harbors and sewage treatment plants, affect gene diversity and genetic differentiation in the blue mussel in the Baltic Sea area and off the Swedish west coast (Skagerrak). Reference sites (REF) were geographically paired with sites from sewage treatments plant (STP) and harbors (HAR) with a nested sampling scheme, and genetic differentiation was evaluated using a high-resolution marker amplified fragment length polymorphism (AFLP). This study showed that genetic composition in the Baltic Sea blue mussel was associated with exposure to sewage treatment plant effluents. In addition, mussel populations from harbors were genetically divergent, in contrast to the sewage treatment plant populations, suggesting that there is an effect of pollution from harbors but that the direction is divergent and site specific, while the pollution effect from sewage treatment plants on the genetic composition of blue mussel populations acts in the same direction in the investigated sites.

Place, publisher, year, edition, pages
2016. Vol. 4, e2628
National Category
Biological Sciences Environmental Sciences
Research subject
Baltic and East European studies
URN: urn:nbn:se:sh:diva-31135DOI: 10.7717/peerj.2628ISI: 000387168200015PubMedID: 27812424ScopusID: 2-s2.0-84994409132OAI: diva2:1045939
The Foundation for Baltic and East European Studies, A063-10
Available from: 2016-11-11 Created: 2016-11-11 Last updated: 2016-12-01Bibliographically approved

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