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dc.contributor.authorZawiska, Izabela
dc.contributor.authorDimante-Deimantovica, Inta
dc.contributor.authorLuoto, Tomi P.
dc.contributor.authorRzodkiewicz, Monika
dc.contributor.authorSaarni, Saija
dc.contributor.authorStivrins, Normunds
dc.contributor.authorWojciech, Tylmann
dc.contributor.authorLanka, Anna
dc.contributor.authorRobeznieks, Martins
dc.contributor.authorJilbert, Tom
dc.coverage.spatialNorthern Europeen_US
dc.date.accessioned2020-07-09T10:23:06Z
dc.date.available2020-07-09T10:23:06Z
dc.date.created2020-05-25T19:24:42Z
dc.date.issued2020
dc.identifier.issn2073-4441
dc.identifier.urihttps://hdl.handle.net/11250/2661598
dc.description.abstractCultural eutrophication, the process by which pollution due to human activity speeds up natural eutrophication, is a widespread and consequential issue. Here, we present the 85-year history of a small, initially Lobelia–Isoëtes dominated lake. The lake’s ecological deterioration was intensified by water pumping station activities when it received replenishment water for more than 10 years from a eutrophic lake through a pipe. In this study, we performed a paleolimnological assessment to determine how the lake’s ecosystem functioning changed over time. A multi-proxy (pollen, Cladocera, diatoms, and Chironomidae) approach was applied alongside a quantitative reconstruction of total phosphorus using diatom and hypolimnetic dissolved oxygen With chironomid-based transfer functions. The results of the biotic proxy were supplemented with a geochemical analysis. The results demonstrated significant changes in the lake community’s structure, its sediment composition, and its redox conditions due to increased eutrophication, water level fluctuations, and erosion. The additional nutrient load, particularly phosphorus, increased the abundance of planktonic eutrophic–hypereutrophic diatoms, the lake water’s transparency decreased, and hypolimnetic anoxia occurred. Cladocera, Chironomidae, and diatoms species indicated a community shift towards eutrophy, while the low trophy species were suppressed or disappeared. eutrophication; water level fluctuation; multi-proxy approach; Cladocera; Chironomidae; diatoms; Northern Europeen_US
dc.language.isoengen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.subjecteutrophicationen_US
dc.subjectwater level fluctuationen_US
dc.subjectmulti-proxy approachen_US
dc.subjectCladoceraen_US
dc.subjectChironomidaeen_US
dc.subjectdiatomsen_US
dc.subjectNorthern Europeen_US
dc.titleLong-Term Consequences of Water Pumping on the Ecosystem Functioning of Lake Sekšu, Latviaen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.rights.holder© 2020 by the authors.en_US
dc.subject.nsiVDP::Geofag: 450en_US
dc.subject.nsiVDP::Geosciences: 450en_US
dc.subject.nsiVDP::Geofag: 450en_US
dc.subject.nsiVDP::Geosciences: 450en_US
dc.subject.nsiVDP::Geofag: 450en_US
dc.subject.nsiVDP::Geosciences: 450en_US
dc.source.volume12en_US
dc.source.journalWateren_US
dc.source.issue5en_US
dc.identifier.doi10.3390/w12051459
dc.identifier.cristin1812528
dc.relation.projectAndre: Kone Foundationen_US
dc.relation.projectAndre: University of Latviaen_US
dc.relation.projectAndre: Latvian Institute of Aquatic Ecologyen_US
dc.relation.projectAndre: Estonian Research Councilen_US
dc.relation.projectAndre: Polish National Science Centreen_US
dc.relation.projectAndre: European Regional Development Funden_US
dc.relation.projectAndre: Latvian Council of Science Projecten_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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