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Long-term changes of heavy metal and sulphur concentrations in ecosystems of the Taymyr Peninsula (Russian Federation) North of the Norilsk Industrial Complex.

Identifieur interne : 000253 ( Main/Exploration ); précédent : 000252; suivant : 000254

Long-term changes of heavy metal and sulphur concentrations in ecosystems of the Taymyr Peninsula (Russian Federation) North of the Norilsk Industrial Complex.

Auteurs : Alexander V. Zhulidov [Russie] ; Richard D. Robarts ; Dmitry F. Pavlov ; J. K M Ri ; Tatiana Yu Gurtovaya ; J J Meril Inen ; Igor N. Pospelov

Source :

RBID : pubmed:21264683

Descripteurs français

English descriptors

Abstract

The Norilsk industrial ore smelting complex (Taymyr Peninsula, Russian Federation) has significantly impacted many components of local terrestrial and aquatic environments. Whether it has had a major impact on the wider Russian Arctic remains controversial as studies are scarce. From 1986 to 2004, data on heavy metal (Cu, Ni, Zn, Hg, Cd and Hg) concentrations in fish (burbot), moss, lichens, periphyton, hydric soils and snow in and around Norilsk and the most northern parts of the Taymyr Peninsula were analysed. Very high concentrations of Cu (203 μg L⁻¹ ± 51 μg L⁻¹) and Ni (113 μg L⁻¹ ± 15 μg L⁻¹) were found in the water of the Schuchya River close to Norilsk. Heavy metal concentrations in burbot liver were highest in Lake Pyasino near Norilsk compared to other study regions that were >100 km distant. From 1989-1996, Cu (121 μg L⁻¹ ± 39 μg L⁻¹ SD), Zn (150 μg L⁻¹) ± 70 μg L⁻¹) and Ni (149 μg L⁻¹ ± 72 μg L⁻¹) snow concentrations were greatest in Norilsk, but were low elsewhere. By 2004, these concentrations had dropped significantly, especially for Cu-74 μg L⁻¹ (±18.7 μg L⁻¹ SD), Zn-81.7 μg L⁻¹ (± 31.3 μg L⁻¹ SD) and Ni-80 μg L⁻¹(±18.0 μg L⁻¹ SD). Norilsk and its surroundings are subject to heavy pollution from the Norilsk metallurgical industry but these are absent from the greater Arctic region due to the prevailing winds and the Byrranga Mountains. Pollution abatement measures have been made so further investigations are necessary in order to assess their efficiency.

DOI: 10.1007/s10661-010-1848-y
PubMed: 21264683


Affiliations:


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<term>Environmental Monitoring (MeSH)</term>
<term>Environmental Pollution (statistics & numerical data)</term>
<term>Fresh Water (chemistry)</term>
<term>Industry (MeSH)</term>
<term>Metals, Heavy (analysis)</term>
<term>Russia (MeSH)</term>
<term>Snow (chemistry)</term>
<term>Soil (chemistry)</term>
<term>Soil Pollutants (analysis)</term>
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<term>Polluants chimiques de l'eau (analyse)</term>
<term>Polluants du sol (analyse)</term>
<term>Pollution de l'environnement (statistiques et données numériques)</term>
<term>Russie (MeSH)</term>
<term>Sol (composition chimique)</term>
<term>Soufre (analyse)</term>
<term>Sphagnopsida (composition chimique)</term>
<term>Surveillance de l'environnement (MeSH)</term>
<term>Écosystème (MeSH)</term>
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<term>Soil Pollutants</term>
<term>Sulfur</term>
<term>Water Pollutants, Chemical</term>
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<div type="abstract" xml:lang="en">The Norilsk industrial ore smelting complex (Taymyr Peninsula, Russian Federation) has significantly impacted many components of local terrestrial and aquatic environments. Whether it has had a major impact on the wider Russian Arctic remains controversial as studies are scarce. From 1986 to 2004, data on heavy metal (Cu, Ni, Zn, Hg, Cd and Hg) concentrations in fish (burbot), moss, lichens, periphyton, hydric soils and snow in and around Norilsk and the most northern parts of the Taymyr Peninsula were analysed. Very high concentrations of Cu (203 μg L⁻¹ ± 51 μg L⁻¹) and Ni (113 μg L⁻¹ ± 15 μg L⁻¹) were found in the water of the Schuchya River close to Norilsk. Heavy metal concentrations in burbot liver were highest in Lake Pyasino near Norilsk compared to other study regions that were >100 km distant. From 1989-1996, Cu (121 μg L⁻¹ ± 39 μg L⁻¹ SD), Zn (150 μg L⁻¹) ± 70 μg L⁻¹) and Ni (149 μg L⁻¹ ± 72 μg L⁻¹) snow concentrations were greatest in Norilsk, but were low elsewhere. By 2004, these concentrations had dropped significantly, especially for Cu-74 μg L⁻¹ (±18.7 μg L⁻¹ SD), Zn-81.7 μg L⁻¹ (± 31.3 μg L⁻¹ SD) and Ni-80 μg L⁻¹(±18.0 μg L⁻¹ SD). Norilsk and its surroundings are subject to heavy pollution from the Norilsk metallurgical industry but these are absent from the greater Arctic region due to the prevailing winds and the Byrranga Mountains. Pollution abatement measures have been made so further investigations are necessary in order to assess their efficiency.</div>
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