Thallium in terrestrial environments--occurrence and effects
Language English Country United States Media print
Document type Journal Article
- MeSH
- Epidemiological Monitoring MeSH
- Snails drug effects MeSH
- Incidence MeSH
- Cardiovascular Diseases epidemiology etiology MeSH
- Soil Pollutants analysis toxicity MeSH
- Lepidium drug effects growth & development MeSH
- Humans MeSH
- Bryopsida chemistry MeSH
- Environmental Monitoring methods MeSH
- Oligochaeta drug effects MeSH
- Thallium analysis toxicity MeSH
- Animals MeSH
- Check Tag
- Humans MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Geographicals
- Czech Republic epidemiology MeSH
- Germany epidemiology MeSH
- Poland epidemiology MeSH
- Names of Substances
- Soil Pollutants MeSH
- Thallium MeSH
In this investigation thallium contents in soil and plants in the EuroRegion Neisse were analysed and the distribution determined. The median top-soil content is 0.5 mg/kg in the area investigated. In this low-contaminated area the moss Pleurozium schreberi contains 0.04-0.13 microg/g and the moss Polytrichumformosum between 0.01 and 0.05 microg/g Tl. The effects of thallium on man and the terrestrial environment were examined. In an epidemiological study a significant positive correlation was found between the thallium content of the two mosses and the incidence of diseases of the circulatory system. The LOEC for thallium in bioassays with terrestrial invertebrates and plants in artificial soil ranged from 1 to 500 mg/kg, which indicates an toxicity of thallium up to 100 times higher than that of Cadmium.
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