Assessment of phytodiversity and phytoremediation potential of plants in the vicinity of a thermal power plant.

IF 3.4 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES International Journal of Phytoremediation Pub Date : 2024-09-01 Epub Date: 2024-06-04 DOI:10.1080/15226514.2024.2358377

Ashutosh Pandey, Soumit Kumar Behera, Sanjay Dwivedi, Vinay Kumar Singh, Vivek Pandey

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Abstract

A study was carried out to evaluate phytodiversity along with the metal accumulation potential of native plants growing in the vicinity of a thermal power plant (TPP). We documented 26 tree species, six shrubs, and 35 herbs. Importance value index (IVI), which measures the extent to which a species dominates in an area, was found highest for Senna siamea (95.7) followed by Tectona grandis (56.5), and Pithecellobium dulce (19.6). Soil was acidic (pH 5.4) in nature with higher concentrations of Al and Fe. The pH of ground water was found acidic while pH of nearby river was found slightly alkaline. Values of PM_2.5 and PM₁₀ were slightly higher than NAAQS standards for industrial areas. The concentration of metals was found higher in aquatic plants than in terrestrial plants. In general, herbs and shrubs showed more metal accumulation potential than trees. Our results suggest that Senna siamea could be used for revegetation purposes in FA landfills. Further, terrestrial and aquatic plants such as Ageratina adenophora and Stuckenia pectinata could be used for reclamation of Mn, Zn, Al, and Fe from contaminated soils. Hydrilla verticillata (Ni and Mn), Nelumbo nucifera, and Ipomoea aquatica (Cr) can be used for metal removal from contaminated water.

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评估火力发电厂附近植物的植物多样性和植物修复潜力。

我们开展了一项研究，以评估生长在火力发电厂（TPP）附近的本地植物的植物多样性和金属积累潜力。我们记录了 26 种乔木、6 种灌木和 35 种草本植物。重要价值指数（IVI）用于衡量某一物种在某一地区的优势程度，结果发现，西洋番泻叶（Senna siamea）的重要价值指数最高（95.7），其次是大叶黄杨（Tectona grandis）（56.5）和枳壳（Pithecellobium dulce）（19.6）。土壤呈酸性（pH 值为 5.4），铝和铁的浓度较高。地下水的 pH 值呈酸性，而附近河流的 pH 值呈弱碱性。PM2.5 和 PM10 的值略高于工业区的 NAAQS 标准。水生植物中的金属浓度高于陆生植物。一般来说，草本植物和灌木比乔木显示出更大的金属积累潜力。我们的研究结果表明，番泻叶可用于 FA 垃圾填埋场的植被重建。此外，Ageratina adenophora 和 Stuckenia pectinata 等陆生和水生植物也可用于回收受污染土壤中的锰、锌、铝和铁。水草（镍和锰）、绣线菊和水生红苕（铬）可用于去除受污染水体中的金属。

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来源期刊

International Journal of Phytoremediation 环境科学-环境科学

CiteScore

7.60

自引率

5.40%

发文量

145

审稿时长

3.4 months

期刊介绍： The International Journal of Phytoremediation (IJP) is the first journal devoted to the publication of laboratory and field research describing the use of plant systems to solve environmental problems by enabling the remediation of soil, water, and air quality and by restoring ecosystem services in managed landscapes. Traditional phytoremediation has largely focused on soil and groundwater clean-up of hazardous contaminants. Phytotechnology expands this umbrella to include many of the natural resource management challenges we face in cities, on farms, and other landscapes more integrated with daily public activities. Wetlands that treat wastewater, rain gardens that treat stormwater, poplar tree plantings that contain pollutants, urban tree canopies that treat air pollution, and specialized plants that treat decommissioned mine sites are just a few examples of phytotechnologies.