废弃汞矿床MALACHOV(斯洛伐克中部)血管植物对汞的植物积累

IF 0.9 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Carpathian Journal of Earth and Environmental Sciences Pub Date : 2023-02-22 DOI:10.26471/cjees/2023/018/253
Pavol Midula, P. Andras, Janka Ševčíková, O. Wiche
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引用次数: 0

摘要

本研究的重点是Malachov前矿区附近VeľkáStudńa弃土场表层土中的汞含量及其由当地代表性的草、草本和木材物种组成的选定植物的积累。根据植物群落的地貌特征,将研究区域划分为几个地块。为了预测整个研究区域的汞分布,在GIS中使用了插值方法。该植物材料由4种植物组成:Calamagrostis epiejos、Lotus corniculatus、Leontodon hispidus和Picea abies。将样品干燥、颗粒化、溶解在HNO3和HCl溶液中,然后通过电感耦合等离子体质谱法(ICP-MS)测量Hg含量。结果表明,汞对排土场表层土壤造成了大规模污染。土壤中的值从16到910 mg kg-1不等。一些被调查的植物物种的生物累积潜力也可以被认为是显著的。在云杉中发现了最高浓度的汞─ 24 mg kg-1。就所提供的数据而言,倾倒场可被指定为当地环境的风险飞地,因此其研究要求很高。还应考虑采用适当的技术调查表层土样品中的生物可利用形式的汞。
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PHYTOACCUMULATION OF MERCURY INTO VASCULAR PLANTS AT AREA OF ABANDONED Hg-ORE DEPOSIT MALACHOV (CENTRAL SLOVAKIA)
The study is focused on Hg content in topsoil of dump-field Veľká Studňa, nearby former mining area Malachov and its accumulation by selected plants, which consisted of the local representatives of grass, herb, and wood species. The study area was divided into several parcels, based on physiognomic features of plant communities. In the order to predict the Hg distribution for the whole study area, the interpolation methods were used in GIS. The plant material consists of 4 plant species: Calamagrostis epigejos, Lotus corniculatus, Leontodon hispidus and Picea abies. The samples were dried, grained, dissolved in HNO3 and HCl solution and consequently measured by inductively coupled plasma mass-spectrometry (ICP-MS) for Hg content. The results show a mass contamination of the dump top-soil horizon by mercury. The values in soil variable from 16 to 910 mg kg-1. The bioaccumulation potential of some investigated plant species can be considered as significant as well. The highest concentration of Hg was found in Picea abies ─ 24 mg kg-1. With the regard to presented data, the dump-field could be assigned as the risk enclave for the local environment and therefore its study is demanding. Applying proper techniques for investigations of bioavailable forms of mercury in the topsoil samples should be also considered.
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来源期刊
CiteScore
2.30
自引率
25.00%
发文量
42
审稿时长
12-24 weeks
期刊介绍: The publishing of CARPATHIAN JOURNAL of EARTH and ENVIRONMENTAL SCIENCES has started in 2006. The regularity of this magazine is biannual. The magazine will publish scientific works, in international purposes, in different areas of research, such as : geology, geography, environmental sciences, the environmental pollution and protection, environmental chemistry and physic, environmental biodegradation, climatic exchanges, fighting against natural disasters, protected areas, soil degradation, water quality, water supplies, sustainable development.
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