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5000853 
Journal Article 
Mercury in abiotic and biotic components of lakes of northwestern Russia 
Stepanova, IK; Komov, VT 
1996 
1 
Russian Journal of Ecology
ISSN: 1067-4136
EISSN: 1608-3334 
27 
3 
188-192 
WOS:A1996UP89400007 
The regularities of mercury distribution in abiotic (water and sediments) and biotic (zooplankton, zoobenthos, fish, birds, and mammals) components of neutral and acid closed lakes of different types on the territory of the Darwin National Reserve are studied. The data obtained on mercury accumulation in links of the food chain in acid lakes suggest that, in water bodies with pH < 5, conditions are formed for the development of processes sharply increasing the biological availability of mercury. Under these conditions, mercury accumulates in fish tissues in concentrations often exceeding the maximum admissible concentration. 
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