This diploma thesis deals with bioavailability of mercury in high contaminated soils collected in the Jedová hora in the Brdská vrchovina and their change to mushrooms. Theoretical part deals with parameters of mercury, its toxicity and appearance in Environment with focus on mercury content in the soil and change of mercury to the biota (to mushrooms and mosses). In practical part was summarized own analysis of mercury assessment with assistance of dedicated atomic absorption spectrometer AMA 254 and mobile form of mercury by technology of diffuse gradient in thin film - DGT. Average amount of mercury in collected samples of the soil moved between 1,25 +/- 0,01 mg.kg-1 - 276,18 +/- 0,09 mg.kg-1. From the soil to the soil solution passed only 0,01 - 0,09 % of mercury. From the soil solution was for DGT units, therefore for biota, available only 0,10 - 4,47 % of mercury. The mercury content in the soil solution (r = 0,861) and mobile forms of mercury (r = 0,980) in the soils significantly correlated with the total mercury content in soils and also with the total sulphur content in the soils (r = 0,931). The highest concentration of mercury in mushrooms was detected in dry matter of Holubinka sesterská (Russula sororia Fr.) 12,490 +/- 2,439 mg.kg-1 and highest concentration of mercury in mosses was measured in dry matter of Ploník ztenčený (Polytrichum formosum) 0,420 +/- 0,111 mg.kg-1.
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:362277 |
| Date | January 2016 |
| Creators | Bártová, Veronika |
| Source Sets | Czech ETDs |
| Language | Czech |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
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