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Assessing pollution in the Kola River, northwestern Russia, using metal concentrations in water and bryophytes
Luleå tekniska universitet.
North Ostrobothnia Regional Centre, Oulu.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geovetenskap och miljöteknik.ORCID-id: 0000-0003-4208-345X
Finnish Environment Institute, Oulu.
Vise andre og tillknytning
2008 (engelsk)Inngår i: Boreal environment research, ISSN 1239-6095, E-ISSN 1797-2469, Vol. 13, nr 1, s. 15-30Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Intensive Cu-Ni and Fe mining and smelting in northwestern Russia constitutes a potential risk of pollution in the Kola River. We assessed the degree of pollution along the Kola River by means of overall water quality evaluation and analyses of metals in water samples (dissolved and particulate fractions) and aquatic mosses. The observed pollutant levels were compared with those in unpolluted reference rivers. The results indicate relatively low overall contamination in the Kola River, although Cu and Ni levels are elevated relative to the reference data. Furthermore, PCA ordination models identified clear metal concentration patterns along the river. Al, Cd, Co, Fe, Pb and Zn exhibited an almost continuous increase from the headwaters to the river mouth, whereas As, Ba, Cu, Mn, Mo and Ni showed their highest concentrations in the headwaters, close to the mining areas, relatively low concentrations in the middle parts of the river and elevated concentrations at the river mouth. Bryophyte analysis appeared to be a more sensitive tool for metal pollution assessment than metal concentrations in water.

sted, utgiver, år, opplag, sider
2008. Vol. 13, nr 1, s. 15-30
HSV kategori
Forskningsprogram
Landskapsekologi; Tillämpad geologi
Identifikatorer
URN: urn:nbn:se:ltu:diva-8361Lokal ID: 6de5f720-0236-11dd-9241-000ea68e967bOAI: oai:DiVA.org:ltu-8361DiVA, id: diva2:981253
Merknad
Validerad; 2008; 20080404 (pafi)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2017-11-24bibliografisk kontrollert

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Ecke, FraukeÖhlander, BjörnIngri, Johan

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