Long-term changes of heavy metal and sulphur concentrations in ecosystems of the Taymyr Peninsula (Russian Federation) North of the Norilsk Industrial Complex.
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.
South Russian Regional Centre for Preparation and Implementation of International Projects Ltd, (CPPI-S), Rostov-on-Don, Russia.
Alexander V
AV
Zhulidov
Richard D
RD
Robarts
Dmitry F
DF
Pavlov
J
J
Kämäri
Tatiana Yu
TY
Gurtovaya
J J
JJ
Meriläinen
Igor N
IN
Pospelov
D017753:Ecosystem; D004784:Environmental Monitoring; D004787:Environmental Pollution / Q000706:statistics & numerical data; D005618:Fresh Water / Q000737:chemistry; D007221:Industry; D019216:Metals, Heavy / Q000032:analysis*; D012426:Russia; D012914:Snow / Q000737:chemistry; D012987:Soil / Q000737:chemistry; D012989:Soil Pollutants / Q000032:analysis*; D044003:Sphagnopsida / Q000737:chemistry; D013455:Sulfur / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
D019216:Metals, Heavy; D012987:Soil; D012989:Soil Pollutants; D014874:Water Pollutants, Chemical; D013455:Sulfur
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