Abstract
Heavy metal pollution in soils constitutes an acute problem threatening various groups of living organisms. Nematode samples were taken in the framework of a complex food-chain experiment which is being carried out after artificially contaminating a part of an agrobiotope. The 13 heavy metals and microelements involved in the study are the following: Al, As, Ba, Cd, Cr, Cu, Hg, Mo, Ni, Pb, Se, Sr, and Zn. Parallel plots receiving maximum concentrations equal to approx. 270 ppm were sampled twice during a complete vegetation period of winter wheat. Nematode abundance and richness as well as Maturity Index data revealed that Se and Cr had significantly negative effects on assemblages, while Zn appeared to have a generally positive influence on these parameters. Impacts by the other elements are less obvious or quite neutral (like that of Al). Favorable soil conditions and time elapsed (over 5 years) since the contamination, both resulting in a decrease of available element concentrations, may account for the not very pronounced effects.
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Nagy, P. Effect of an artificial metal pollution on nematode assemblage of a calcareous loamy chernozem soil. Plant and Soil 212, 35–43 (1999). https://doi.org/10.1023/A:1004657924496
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DOI: https://doi.org/10.1023/A:1004657924496