alexa Effect of heavy metals on soil enzyme activity at different field conditions in Middle Spis mining area (Slovakia).
Environmental Sciences

Environmental Sciences

International Journal of Waste Resources

Author(s): Angeloviov L, Lodenius M, Tulisalo E, Fazekaov D

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Abstract Heavy metals concentrations were measured in the former mining area located in Hornad river valley (Slovakia). Soil samples were taken in 2012 from 20 sites at two field types (grasslands, heaps of waste material) and two different areas. Total content of heavy metals (Cu, Pb, Zn, Hg), urease (URE), acid phosphatase (ACP), alkaline phosphatase (ALP), soil reaction (pH) were changing depending on the field/area type. The tailing pond and processing plants have been found as the biggest sources of pollution. URE, ACP and ALP activities significantly decreased while the heavy metal contents increased. Significant differences were found among area types in the heavy metal contents and activity of URE. No statistical differences in the content of heavy metals but significant statistical differences for soil pH were found for field types (grassland and heaps). Significant negative correlation was found for URE-Pb, URE-Zn and also between soil reaction and ACP and ALP. This article was published in Bull Environ Contam Toxicol and referenced in International Journal of Waste Resources

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