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Heavy metals in two herb species (River Morava, Czech Republic)

Zeidler M.

Polish Journal of Ecology

2005

Vol. 53, nr 2

185-195

Litovelské Pomoraví Protected Landscape Area (Czech Republic) was chosen as the study area of heavy metal pollution (Zn, Ni, Cu, Pb, Cd). Assessment of heavy metal concentration in the soil was performed at eleven sites along the water stream in the alluvial plain (Morava river) and compared with concentration in selected plant tissues. Heavy metal concentration in two plant species (Urtica dioica L., Taraxacum sp.) and soils were detected by atomic absorption spectrophotometry (AAS). The correlation between heavy-metal concentrations in plant tissues (roots, leaves, stems) and in soils was tested and the ability of plants for heavy-metals indication in the alluvial plain landscape ecosystem was observed. Differences in correlation and ability to accumulate heavy metals were found not only between species and heavy metals but also among various plant tissues. Taraxacum sp. As a whole closely followed concentration of Zn, Cu, Pb and Cd and seems to be much more suitable as bioindicator than Urtica dioica L. Nevertheless, there are plant parts of both species with better response to adequate metal. Some plant tissues of both species provide ambiguous results, which was discussed in terms of living forms, growth strategy and genotypic differences.

Evaluation of environmental contamination with lead in the region of battery producing plant in Piastów on the basis of bioindicative methods

Dmuchowski W., Sołtykiewicz E.

Chemia i Inżynieria Ekologiczna

2005

Vol. 12, nr 10

1045-1050

In 2004 investigations of environmental contamination with lead were carried out in the proximity of a battery producing plant in Piastów. The investigations were performed with bioindicative methods. The content of metal was analyzed in the leaves of Betula pendula Roth., leaves and roots of Taraxacum sp. and also a method of moss-bag was applied which made use of transplanted mass Sphagnum recurvum. The investigation also included the concentration of metals in the soil. The obtained results clearly point to the battery plant as the source of emission, significant concentration of lead in the environment and the decrease of pollution with the increased distance from the source of emission. A direct effect of the emitter was determined depending on the direction as 280--450 m. High lead content in the mass point to the fact that we deal not only with historical contamination of the region but a current emission to the air.

W 2004 r. przeprowadzono badanie zanieczyszczenia środowiska ołowiem, w pobliżu fabryki akumulatorów w Piastowie. Badania prowadzono metodami bioindykacyjnymi. Analizowano zawartość metalu w liściach Betula pendula Roth., liściach i korzeniach Taraxacum sp. a także posłużono się metodą moss-bag z użyciem transplantowanego mchu Sphagnum recurvum sp. Zbadano również stężenie metali w glebie. Wyniki badań jednoznacznie wskazują na fabrykę jako źródło emisji, na znaczne stężenie ołowiu w środowisku oraz zmniejszenie się zanieczyszczenia wraz ze zwiększaniem się odległości od źródła emisji. Bezpośredni wpływ emitora określono w zależności od kierunku na 280-450 m. Duże zawartości ołowiu w mchu świadczą, że mamy do czynienia nie tylko z historycznym skażeniem terenu, ale również z bieżącą emisją do powietrza.