Populus nigra L. as a bioindicator of atmospheric trace element pollution and potential toxic impacts on human and ecosystem

作者: Albina Yalaltdinova , Junbeum Kim , Natalia Baranovskaya , Leonid Rikhvanov

DOI: 10.1016/J.ECOLIND.2017.06.021

关键词: EcosystemBioindicatorEnvironmental scienceIndicator plantAir pollutionPollutionEnvironmental chemistryContaminationBlack poplarEcologyTrace element

摘要: Abstract Changes in the environment like atmospheric trace element pollution can be mirrored elemental composition of indicator plants. They contribute to distinguishing degree pollution, allocate sources and identify their impact areas polluting ingredients. However, ideally, study should not limited by these results. We make more use them predict potential negative effects on ecosystems human health. In this research, an integrated was implemented Ust-Kamenogorsk city (Kazakhstan), a territory with multicomponent, multifactor man-made impacts. Analyzing black poplar leaves we identified that Ag, As, Na, Sb, Sr, Ta, U, Zn concentrate at higher levels when compared literature, average contents dry weight are 0.08, 0.38, 936, 0.32, 193, 0.01, 468 mg/kg respectively. were able show main source Au, is lead-zinc plant “Kazzinc”, while Be, U came from Ulba metallurgical plant. As result, suggested air parameter influencing change leaves. Applying results life cycle assessment (LCIA) methodology also allows us indicate only contamination, but toxic exposure. The highest effect humans observed zone both companies, zinc emissions most toxicity index (about 99%).

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