科研之友
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摘要
Local excesses of acceptable concentrations of boron in the aquatic environment may have negative impact on aquatic ecosystems, thus posing potential health hazards to humans and animals. The chemical methods commonly used for the treatment of surface waters may be successfully replaced by phytoremediation processes. Phytoremediation consists in accumulation of the contaminants in biomass, thus bringing the aquatic environment to conditions acceptable from the standpoint of legal regulations. Salvinia natans is an established bioaccumulator of metals from aquatic environments. The goal of this study was to verify the efficacy of the test species (Salvinia natans) in bioaccumulation of boron in Polish climate conditions. The experiment was conducted in waters contaminated with 1, 3, 6 and 8 mg B/dm(3) for five days. Boron mass balance and biomass accumulation were evaluated at the final stage of the experiment. Biochemical analysis of the organic matter revealed changes in plants occurring as the result of boron accumulation.
- 出版日期2010
