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Kayet N, Pathak K, Singh CP, Chaturvedi RK, Brahmandam AS, Mandal C. Assessment and estimation of coal dust impact on vegetation using VIs difference model and PRISMA hyperspectral data in mining sites. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 367:121935. [PMID: 39096726 DOI: 10.1016/j.jenvman.2024.121935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 07/07/2024] [Accepted: 07/23/2024] [Indexed: 08/05/2024]
Abstract
This work focuses on dust detection, and estimation of vegetation in coal mining sites using the vegetation indices (VIs) differences model and PRISMA hyperspectral imagery. The results were validated by ground survey spectral and foliar dust data. The findings indicate that the highest Separability (S), Coefficient of discrimination (R2), and lowest Probability (P) values were found for the narrow-banded Narrow-banded Normalized Difference Vegetation Index (NDVI), Transformed Soil Adjusted Vegetation Index (TSAVI), and Tasselled Cap Transformation Greenness (TC-greenness) indices. These indices have been utilized for the Vegetation Combination (VC) index analysis. Compared to other VC indices, this VC index revealed the highest difference (29.77%), which led us to employ this index for the detection of healthy and dust-affected areas. The foliar dust model was developed for the estimation and mapping of dust impact on vegetation using the VIs differences models (VIs diff models), laboratory dust amounts, and leaf spectral regression analysis. Based on the highest R2 (0.90), the narrow-banded TC-greenness differenced VI was chosen as the best VI, and the coefficient (L) value (-7.75gm/m2) was used for estimating the amount of foliar dust in coal mining sites. Compared to other indices-based difference dust models, the narrow-banded TC-greenness difference image had the highest R2 (0.71) and lowest RMSE (4.95 gm/m2). According to the findings, the areas with the highest dust include those with mining haul roads, transportation, rail lines, dump areas, tailing ponds, backfilling, and coal stockyard sides. This study also showed a significant inverse relationship (R2 = 0.84) among vegetation dust classes, leaf canopy spectrum, and distance from mines. This study provides a new way for estimating dust on vegetation based on advanced hyperspectral remote sensing (PRISMA) and field spectral analysis techniques that may be helpful for vegetation dust monitoring and environmental management in mining sites.
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Affiliation(s)
- Narayan Kayet
- Environmental Management & Policy Research Institute (EMPRI), Bengaluru, India; Department of Mining Engineering, India Indian Institute of Technology, Kharagpur, India.
| | - Khanindra Pathak
- Department of Mining Engineering, India Indian Institute of Technology, Kharagpur, India
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Keith BF, Lam EJ, Montofré ÍL, Zetola V, Bech J. The scientific landscape of phytoremediation of tailings: a bibliometric and scientometric analysis. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2024:1-19. [PMID: 38975678 DOI: 10.1080/15226514.2024.2373427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
This article seeks to evaluate the scientific landscape of the phytoremediation of mine tailings through a series of bibliometric and scientometric techniques. Phytoremediation has emerged as a sustainable approach to remediate metal-contaminated mine waste areas. A scientometric analysis of 913 publications indexed in Web of Science from 1999 to 2023 was conducted using CiteSpace. The results reveal an expanding, interdisciplinary field with environmental sciences as the core category. Keyword analysis of 561 nodes and 2,825 links shows a focus on plant-metal interactions, microbial partnerships, bioavailability, and field validation. Co-citation analysis of 1,032 nodes and 2,944 links identifies seminal works on native species, plant-microbe interactions, and amendments. Temporal mapping of 15 co-citation clusters indicates a progression from early risk assessments and native plant inquiries to integrated biological systems, economic feasibility, and sustainability considerations. Recent trends emphasize multidimensional factors influencing adoption, such as plant-soil-microbe interactions, organic amendments, and field-scale performance evaluation. The findings demonstrate an intensifying translation of phytoremediation from scientific novelty to engineering practice. This quantitative and qualitative analysis of research trends aids in understanding the development of phytoremediation for mine tailings. The results provide valuable insights for researchers and practitioners in this evolving field.
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Affiliation(s)
- Brian F Keith
- Department of Computing and Systems Engineering, Universidad Católica del Norte, Antofagasta, Chile
| | - Elizabeth J Lam
- Department of Chemical and Environmental Engineering, Universidad Católica del Norte, Antofagasta, Chile
| | - Ítalo L Montofré
- Mining Business School, ENM, Universidad Católica del Norte, Antofagasta, Chile
- Mining and Metallurgical Engineering Department, Universidad Católica del Norte, Antofagasta, Chile
| | - Vicente Zetola
- Construction Management Department, Universidad Católica del Norte, Antofagasta, Chile
| | - Jaume Bech
- Soil Science Laboratory, Faculty of Biology, Universidad de Barcelona, Barcelona, Spain
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Chandra GV, Golla SY, Ghosh PK. Review of soil environment quality in India near coal mining regions: current and future predictions. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:194. [PMID: 38695957 DOI: 10.1007/s10653-024-01968-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 03/25/2024] [Indexed: 05/14/2024]
Abstract
Production and utilization of coal are one of the primary routes of accumulation of Toxic Elements (TEs) in the soil. The exploration of trends in the accumulation of TEs is essential to establishing a soil pollution strategy, implementing cost-effective remediation, and early warnings of ecological risks. This study provides a comprehensive review of soil concentrations and future accumulation trends of various TEs (Cr, Ni, Pb, Co, Cu, Cd, Zn, Fe, Mn, and As) in Indian coal mines. The findings revealed that average concentrations of Cr, Mn, Ni, Cu, Zn, Pb, and Co surpass India's natural background soil levels by factors of 2, 4.05, 5.32, 1.77, 9.6, and 6.15, respectively. Geo-accumulation index values revealed that 27.3%, 14.3%, and 7.7% of coal mines are heavily polluted by Ni, Co, and Cu, respectively. Also, the Potential Ecological Risk Index indicates that Cd and Ni are primary contaminants in coal mines. Besides, the health risk assessment reveals oral ingestion as the main exposure route for soil TMs. Children exhibit a higher hazard index than adults, with Pb and Cr being major contributors to their non-carcinogenic risk. In addition, carcinogenic risks exist for females and children, with Cr and Cu as primary contributors. Multivariate statistical analysis revealed that TEs (except Cd) accumulated in the soil from anthropogenic sources. The assessment of future accumulation trends in soil TE concentrations reveals dynamic increases that significantly impact both the ecology and humans at elevated levels. This study signifies a substantial improvement in soil quality and risk management in mining regions.
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Xiong R, Li Y, Gao X, Xue Y, Huang J, Li N, Chen C, Chen M. Distribution and migration of heavy metals in the sediment-plant system: Case study of a large-scale constructed wetland for sewage treatment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 349:119428. [PMID: 37890291 DOI: 10.1016/j.jenvman.2023.119428] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023]
Abstract
Constructed wetlands are extensively applied in wastewater treatment and water ecosystem restoration. However, the characteristics of heavy metals accumulation and migration in a long-running large-scale constructed wetland for wastewater treatment remain unclear. In this study, the variation of heavy metals (Cu, Zn, Pb, Cd, Cr, and As) in the sediment-plant system of a wetland that has been operating for 14 years was quantified. Results show that the sediments of the constructed wetland were the sink for heavy metals. All heavy metals, except As, significantly increased (P < 0.05) in sediments within 0-40 cm depth, and Zn and Cr had leaked to 40-60 cm depth (P < 0.05). Along with the surface flow direction, heavy metal concentrations mostly showed a declining trend, and in comparison, Cu and Cr transported longer distances. Bioconcentration factors show that the two common wetland plants, Phragmites australis and Typha latifolia, exhibited obvious differences in enrichment performance of heavy metals, with the orders of Zn > Cr > Cd > Cu > Pb > As and Cd > Zn > Cr > Cu > As > Pb, respectively. The translocation factors of the two kinds of plants were less than 1 suggesting that they are suitable for phytostabilization. Redundancy analysis indicates that sediment organic matter was the primary environmental factor affecting the distribution and migration of heavy metals in the wetland system. The discrepancy in the migration characteristics of pollutants, especially heavy metals, should be seriously considered in the design and management of wetland systems, including highly-enrichment plants, appropriate hydraulic residence time, and effective surficial filling medium.
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Affiliation(s)
- Rongwei Xiong
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China
| | - Yong Li
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China; National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, Nanjing, 210098, PR China.
| | - Xiufang Gao
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou, 434025, PR China
| | - Yan Xue
- Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing, 100037, PR China
| | - Jinquan Huang
- Department of Soil and Water Conservation, Yangtze River Scientific Research Institute, Wuhan, 430010, PR China
| | - Na Li
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China
| | - Cheng Chen
- Yellow River Conservancy Technical Institute, Kaifeng, 475003, PR China
| | - Ming Chen
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China
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Teixeira DL, Leite GLD, Silva LF, Veloso RVS, Silva RS, Guanabens PFS, Silva WM, Silva Junior ASP, Munhoz EJMM, Gomes JB, Zanuncio JC. Positive relationships between insects and negative with spiders on Acacia auriculiformis (Fabaceae) plants in the savannah biome and their distribution pattern. BRAZ J BIOL 2024; 84:e260721. [DOI: 10.1590/1519-6984.260721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/12/2022] [Indexed: 11/22/2022] Open
Abstract
Abstract Forest restoration is mainly based on plant-soil relationships and plant species with economic potential, but those between insects and other arthropods are also important to this reestablishment. The objective was to evaluate, during 24 months, the relationships between tending ants, Hemiptera phytophagous, predators and their distribution pattern (aggregated, random or uniform). The arthropods were sampled, stored and identified and their relationships and distribution patterns calculated with the BioDiversity-Pro software. The number of tending ants and phytophagous Hemiptera, Brachymyrmex sp. and Aethalion reticulatum, Cephalotes and Aleyrodidae were positively correlated. Tending ants were negatively correlated with Sternorrhyncha predators on A. auriculiformis saplings. The distribution of arthropods was aggregated, except for Teudis sp. and Cephalocoema sp., with a random pattern. The herbivores Stereoma anchoralis, Aethalion reticulatum and Tetragonisca angustula and the predators Brachymyrmex sp. and Dolichopodidae were the most abundant arthropods. The relationships between the arthropods studied on A. auriculiformis indicate that this plant, even introduced, is suitable for programs to recover degraded areas in the savannah.
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Affiliation(s)
| | | | - L. F. Silva
- Universidade Federal de Minas Gerais, Brasil
| | - R. V. S. Veloso
- Universidade Federal dos Vales do Jequitinhonha e Mucuri, Brasil
| | - R. S. Silva
- Universidade Federal dos Vales do Jequitinhonha e Mucuri, Brasil
| | | | | | | | | | - J. B. Gomes
- Universidade Federal de Minas Gerais, Brasil
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Anjali K, Remesan R. Exploring the last 50 years of Indian research on the impact of coal mining using bibliometric analysis with an overview of water-related impacts. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:16449-16463. [PMID: 36190632 DOI: 10.1007/s11356-022-23381-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
This paper throws light on the bibliometric review of the impact of coal mining in India over the past 50 years, emphasizing environmental, especially water-related impacts. The data were refined from the Web of Science database and analyzed in a bibliometric map visualization software tool, VOSviewer, to grasp the research focus, status quo and analyze the trend and direction of the work being carried out in this area. The methodology was covered in three phases: search and document selection, software and data extraction, and analysis of results and trends. The study results indicated that (i) the publication has increased in the past two decades (2001-2021) with a steep increase in the period from 2010 to 2021 with 74.68% article types documents and a mere 7.74% review documents. (ii) In India, the significant contribution is made by the Indian Institute of Technology (Indian School of Mines), Dhanbad with Department of Science and Technology as a primary funding agency. (iii) The bibliometric map of co-occurrence of author keywords showed that keywords relating to the "pollution" (connected to air, water) from "Jharia coalfield" have highest occurrences in the relevant published works of literature and topics like "reclamation," "mine spoil," and application of approaches like "remote sensing and GIS" have lower linkage strengths in general. (iv) The result of the co-citation network study has marked the most significant authors and the highly cited sources of the database revealing Ghose M.K. and Singh A.K. as among the most cited authors with citations more than 150 in the field of our interest. (v) The trend of publication in the research area of Water Resources showed a significant increase after 2015. The keyword occurrence map reveals that water quality studies have been extensively studied, but quantifications of the coal mining-induced changes in water regimes at river basin scales are absent.
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Affiliation(s)
- Kumari Anjali
- School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Renji Remesan
- School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
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Huang H, Fan L, Zhao Y, Jin Q, Yang G, Zhao D, Xu Z. Integrating Broussonetia papyrifera and Two Bacillus Species to Repair Soil Antimony Pollutions. Front Microbiol 2022; 13:871581. [PMID: 35592006 PMCID: PMC9111523 DOI: 10.3389/fmicb.2022.871581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 04/05/2022] [Indexed: 12/02/2022] Open
Abstract
Heavy metal resistant bacteria play an important role in the metal biogeochemical cycle in soil, but the benefits of microbial oxidation for plants and soil have not been well-documented. The purpose of this study was to explore the contribution of two Bacillus spp. to alleviate the antimony (Sb) toxicity in plants, and, then, to propose a bioremediation method for Sb contaminated soil, which is characterized by environmental protection, high efficiency, and low cost. This study explored the effects of Bacillus cereus HM5 and Bacillus thuringiensis HM7 inoculation on Broussonetia papyrifera and soil were evaluated under controlled Sb stressed conditions (0 and 100 mmol/L, antimony slag) through a pot experiment. The results show that the total root length, root volume, tips, forks, crossings, and root activities of B. papyrifera with inoculation are higher than those of the control group, and the strains promote the plant absorption of Sb from the soil environment. Especially in the antimony slag treatment group, B. cereus HM5 had the most significant effect on root promotion and promoting the absorption of Sb by B. papyrifera. Compared with the control group, the total root length, root volume, tips, forks, crossings, and root activities increased by 64.54, 70.06, 70.04, 78.15, 97.73, and 12.95%, respectively. The absorption of Sb by root, stem, and leaf increased by 265.12, 250.00, and 211.54%, compared with the control group, respectively. Besides, both B. cereus HM5 and B. thuringiensis HM7 reduce the content of malondialdehyde, proline, and soluble sugars in plant leaves, keeping the antioxidant enzyme activity of B. papyrifera at a low level, and alleviating lipid peroxidation. Principal component analysis (PCA) shows that both B. cereus HM5 and B. thuringiensis HM7 are beneficial to the maintenance of plant root functions and the improvement of the soil environment, thereby alleviating the toxicity of Sb. Therefore, B. cereus HM5 and B. thuringiensis HM7 in phytoremediation with B. papyrifera is a promising inoculant used for bacteria-assisted phytoremediation on Sb contaminated sites.
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Affiliation(s)
- Huimin Huang
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, Changsha, China
- Changsha Environmental Protection College, Changsha, China
| | - Li Fan
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, Changsha, China
| | - Yunlin Zhao
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, Changsha, China
| | - Qi Jin
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, Changsha, China
| | - Guiyan Yang
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio-Disaster, College of Forestry, Northwest A&F University, Xianyang, China
| | - Di Zhao
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, Changsha, China
| | - Zhenggang Xu
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, Changsha, China
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio-Disaster, College of Forestry, Northwest A&F University, Xianyang, China
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Demolin-Leite GL. Percentage of importance indice-production unknown: loss and solution sources identification on system. BRAZ J BIOL 2022; 84:e253218. [DOI: 10.1590/1519-6984.253218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Accepted: 10/08/2021] [Indexed: 11/21/2022] Open
Abstract
Abstract Indices are used to help on decision-making. This study aims to develop and test an index, which can determine the loss (e.g., herbivorous insects) and solution (e.g., natural enemies) sources. They will be classified according to their importance regarding the ability to damage or to reduce the source of damage to the system when the final production is unknown. Acacia auriculiformis (Fabales: Fabaceae), a non-native pioneer species in Brazil with fast growth and rusticity, is used in restoration programs, and it is adequate to evaluate a new index. The formula was: Percentage of the Importance Indice-Production Unknown (% I.I.-PU) = [(ks1 x c1 x ds1)/Σ (ks1 x c1 x ds1) + (ks2 x c2 x ds2) + (ksn x cn x dsn)] x 100. The loss sources Aethalion reticulatum L., 1767 (Hemiptera: Aethalionidae), Aleyrodidae (Hemiptera), Stereoma anchoralis Lacordaire, 1848 (Coleoptera: Chrysomelidae), and Tettigoniidae, and solution sources Uspachus sp. (Araneae: Salticidae), Salticidae (Araneae), and Pseudomyrmex termitarius (Smith, 1877) (Hymenoptera: Formicidae) showed the highest % I.I.-PU on leaves of A. auriculiformis saplings. The number of Diabrotica speciosa Germar, 1824 (Coleoptera: Chrysomelidae) was reduced per number of Salticidae; that of A. reticulatum that of Uspachus sp.; and that of Cephalocoema sp. (Orthoptera: Proscopiidae) that of P. termitarius on A. auriculiformis saplings. However, the number of Aleyrodidae was increased per number of Cephalotes sp. (Hymenoptera: Formicidae) and that of A. reticulatum that of Brachymyrmex sp. (Hymenoptera: Formicidae) on A. auriculiformis saplings. The A. reticulatum damage was reduced per number of Uspachus sp., but the Aleyrodidae damage was increased per number of Cephalotes sp., totaling 23.81% of increase by insect damages on A. auriculiformis saplings. Here I show and test the % I.I.-PU. It is an new index that can detect the loss or solution sources on a system when production is unknown. It can be applied in some knowledge areas.
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Ahirwal J, Maiti SK. Restoring coal mine degraded lands in India for achieving the United Nations‐Sustainable Development Goals. Restor Ecol 2021. [DOI: 10.1111/rec.13606] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jitendra Ahirwal
- Department of Forestry, School of Earth Sciences and Natural Resource Management Mizoram University Aizawl 796004 India
| | - Subodh Kumar Maiti
- Department of Environmental Science and Engineering Indian Institute of Technology (Indian School of Mines) Dhanbad 826004 India
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Silva LF, Silva FWS, Demolin-Leite GL, Soares MA, Lemes PG, Zanuncio JC. Distribution pattern of arthropods on the leaf surfaces of Acacia auriculiformis saplings. BRAZ J BIOL 2021; 83:e243651. [PMID: 34431904 DOI: 10.1590/1519-6984.243651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 04/21/2021] [Indexed: 11/22/2022] Open
Abstract
Acacia auriculiformis A. Cunn. Ex Benth. (Fabaceae), a non-native pioneer species in Brazil with fast growth and rusticity, is used in restoration programs. Our goal was to assess during a 24-month survey the pattern of arthropods (phytophagous insects, bees, spiders, and predator insects) on the leaf surfaces of A. auriculiformis saplings. Fourteen species of phytophagous, two of bees and eleven of predators were most abundant on the adaxial surface. The values of the ecological indexes (abundance, diversity, and species richness) and the rarefaction, and k-dominance curves of phytophagous, bees and arthropod predators were highest on the adaxial leaf surface of A. auriculiformis. The k-dominance and abundance of Aleyrodidae (Hemiptera) (both leaf surfaces), the native stingless bee Tetragonisca angustula Latreille (Hymenoptera: Apidae) (both leaf surfaces) and the ant Brachymyrmex sp. (adaxial surface) and Pheidole sp. (Hymenoptera: Formicidae) (abaxial surface) were the highest between the taxonomic groups of phytophagous, bees, and predators, respectively on A. auriculiformis saplings. The ecological indexes and rarefaction, abundance, and k-dominance curves of phytophagous insects, bees, and predators were highest on the adaxial leaf surface. The preference of phytophagous insects for the adaxial leaf surface is probably due to the lower effort required to move on this surface. Understanding the arthropod preferences between leaf surfaces may help to develop sampling and pest management plans for the most abundant phytophagous insects on A. auriculiformis saplings. Also, knowledge on the preference pattern of bees and predators may be used to favour their conservation.
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Affiliation(s)
- L F Silva
- Universidade Federal de Minas Gerais - UFMG, Instituto de Ciências Agrárias, Montes Claros, MG, Brasil
| | - F W S Silva
- Universidade Federal do Acre - UFAC, Centro de Ciências Biológicas e da Natureza, Rio Branco, AC, Brasil
| | - G L Demolin-Leite
- Universidade Federal de Minas Gerais - UFMG, Instituto de Ciências Agrárias, Montes Claros, MG, Brasil
| | - M A Soares
- Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Departamento de Agronomia, Diamantina, MG, Brasil
| | - P G Lemes
- Universidade Federal de Minas Gerais - UFMG, Instituto de Ciências Agrárias, Montes Claros, MG, Brasil
| | - J C Zanuncio
- Universidade Federal de Viçosa - UFV, Departamento de Entomologia/BIOAGRO, Viçosa, MG, Brasil
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Lei M, Wang Y, Guo G, Zhang D, Zhao X. The bio-availability and accumulation of the trace elements in rock-soil-fruit system in carbonatite regions of different stratums: Critical soil factors and transfer models. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 760:143328. [PMID: 33213913 DOI: 10.1016/j.scitotenv.2020.143328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 10/02/2020] [Accepted: 10/18/2020] [Indexed: 06/11/2023]
Abstract
For exploring the key factors affecting trace element accumulation in crops in limestone soil derived from limestone area of different stratums, the loquat (Eriobotrya japonica Lindl.) orchard of three limestone units (Middle Devonian, Upper Devonian and Middle Cambrian) in Mengzi city of Yunnan Province, China were investigated. Loquat fruits grown on soil from Middle Devonian limestone exhibited significantly higher bio-enrichment in cadmium. The Middle Devonian (Chemical Index of Alteration [CIA] = 86.07) and Upper Devonian (CIA = 84.84) soils were more weathered than those derived from Middle Cambrian rocks (CIA = 74.42). In the Middle Devonian limestone area, Fe element (for As uptake into fruit), Al element (for Cu and Zn) and metal speciation (for Cd, extracted by diethylene triamine pentaacetic acid) in the soil were the important influencing factors. For the Upper Devonian, soil weathering was found to be the key factors controlling fruit Cu uptake, respectively. For the Middle-Cambrian-derived soils, soil Ca concentration and pH played a critical role in Cd accumulation in fruit. In conclusion, under acidic soil conditions derived from limestone, the Ca concentration and metal fraction in the soil are the pivotal factors affecting Cd accumulation of fruit, whereas the soil Fe element content control the fruit As and Pb uptake. These results are helpful to further understand the migration regularity of trace elements into fruit in different limestone geology types.
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Affiliation(s)
- Mei Lei
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Yuntao Wang
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guanghui Guo
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Degang Zhang
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaofeng Zhao
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
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Lewis C, Lennon AM, Eudoxie G, Sivapatham P, Umaharan P. Plant metal concentrations in Theobroma cacao as affected by soil metal availability in different soil types. CHEMOSPHERE 2021; 262:127749. [PMID: 32805655 DOI: 10.1016/j.chemosphere.2020.127749] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 06/11/2023]
Abstract
Beans of cacao (Theobroma cacaoL.) are used to produce a variety of chocolate products. Bioaccumulation of metals at toxic levels through the consumption of contaminated products has been identified as a health concern in humans. Both metal diversity and concentration as well as their interactions in the soil influence essential and non-essential metal uptake in plants; but the effects of these on bioaccumulation of metals in cacao is not understood across diverse soil types. In this study eight metals (Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn) were investigated in 12 soil subgroups belonging to four soil orders across 15 locations in Trinidad, with the aim to investigate the effect of soil metal diversity and concentration on metal bioaccumulation in cacao. Soil metals were extracted using five methods (aqua regia, DTPA, Mehlich 3, nitric acid, and water). Cacao leaf metal concentrations were determined using the USEPA 3052 method. Metal extraction efficiency ranged between methods with aqua regia ≥ nitric acid > Mehlich 3 ≥ DTPA ≥ water across all metals. The soil extraction method that best predicted cacao leaf metal concentrations varied with the metal - Mehlich 3 or DTPA for Cd, Ni, Zn; aqua regia, Mehlich 3, or nitric acid for Pb, and water for Mn. A stepwise regression analysis showed that plant metal concentration can be predicted using soil physicochemical characteristics as well as the concentration of metals in the soil. The importance of soil type on cacao leaf metal bioaccumulation is discussed.
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Affiliation(s)
- Caleb Lewis
- Cocoa Research Centre, The University of the West Indies, St. Augustine Campus, Trinidad and Tobago; Department of Life Sciences, Faculty of Science and Technology, The University of the West Indies, St. Augustine Campus, Trinidad and Tobago
| | - Adrian M Lennon
- Department of Life Sciences, Faculty of Science and Technology, The University of the West Indies, St. Augustine Campus, Trinidad and Tobago
| | - Gaius Eudoxie
- Department of Food Production, Faculty of Food and Agriculture, The University of the West Indies, St. Augustine Campus, Trinidad and Tobago
| | | | - Pathmanathan Umaharan
- Cocoa Research Centre, The University of the West Indies, St. Augustine Campus, Trinidad and Tobago.
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13
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Huang H, Zhao Y, Fan L, Jin Q, Yang G, Xu Z. Improvement of manganese phytoremediation by Broussonetia papyrifera with two plant growth promoting (PGP) Bacillus species. CHEMOSPHERE 2020; 260:127614. [PMID: 32693260 DOI: 10.1016/j.chemosphere.2020.127614] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 06/16/2020] [Accepted: 07/03/2020] [Indexed: 05/20/2023]
Abstract
Combining phytoremediation plants and microorganisms is a promising method of remediating heavy metal contaminated soil. In this study, two manganese-tolerant strains were isolated from Mn slag and identified as Bacillus cereus HM5 and Bacillus thuringiensis HM7. These two Bacillus spp. have the ability to dissolve phosphorus, produce IAA and iron carrier. A pot experiment of Broussonetia papyrifera was conducted to explore potential of B. cereus HM5 and B. thuringiensis HM7 to improve effect of remedying Mn pollution by B. papyrifera. The strains were inoculated under different Mn treated (5 mmol/L, 50 mmol/L, Mn slag) respectively and the growth, root structure, root activity, physiological and biochemical characteristics of the leaves and accumulation of Mn for B. papyrifera were determinated. The effects of the soil environment to remediation were observed, the results showed that the biomass, total root length, surface area, crossings, tips, forks and root activity of B. papyrifera with inoculated strain were higher than those of the control group. The inoculation of these two Bacillus spp. increased the absorption of Mn by B. papyrifera and the concentration of Mn in the aerial parts of plants, indicating that the two strains could promote the growth of B. papyrifera and the accumulation of Mn. In addition, microbes reduced malonaldehyde content and the activities of antioxidant enzymes in leaves, suggesting that the two Bacillus spp. reduced Mn-induced oxidative stress. The principal component analysis showed that the added Bacillus strain prefer to promote plant root function maintenance and improve soil environment, rather than direct adsorption of heavy metals. These observations indicated that B. cereus HM5 and B. thuringiensis HM7 were valuable microorganisms, which could improve the remediating efficiency of B. papyrifera under Mn-contaminated soil.
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Affiliation(s)
- Huimin Huang
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, 498 Shaoshan South Road, 410004, Changsha, Hunan Province, China; Hunan Urban and Rural Ecological Planning and Restoration Engineering Research Center, Hunan City University, 518 Yingbin Road, 413000, Yiyang, Hunan Province, China
| | - Yunlin Zhao
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, 498 Shaoshan South Road, 410004, Changsha, Hunan Province, China
| | - Li Fan
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, 498 Shaoshan South Road, 410004, Changsha, Hunan Province, China
| | - Qi Jin
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, 498 Shaoshan South Road, 410004, Changsha, Hunan Province, China
| | - Guiyan Yang
- Hunan Urban and Rural Ecological Planning and Restoration Engineering Research Center, Hunan City University, 518 Yingbin Road, 413000, Yiyang, Hunan Province, China; College of Forestry, Northwest A & F University, No.3 Taicheng Road, Yangling, 712100, Shaanxi, China
| | - Zhenggang Xu
- Hunan Research Center of Engineering Technology for Utilization of Environmental and Resources Plant, Central South University of Forestry and Technology, 498 Shaoshan South Road, 410004, Changsha, Hunan Province, China; Hunan Urban and Rural Ecological Planning and Restoration Engineering Research Center, Hunan City University, 518 Yingbin Road, 413000, Yiyang, Hunan Province, China; College of Forestry, Northwest A & F University, No.3 Taicheng Road, Yangling, 712100, Shaanxi, China.
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14
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Dourado LR, Demolin-Leite GL, Soares MA, Teixeira GL, Silva FWS, Sampaio RA, Zanuncio JC, Legaspi JC. Ecological indices of phytophagous Hemiptera and their natural enemies on Acacia auriculiformis (Fabales: Fabaceae) plants with or without dehydrated sewage sludge application in a degraded area. PLoS One 2020; 15:e0237261. [PMID: 32804957 PMCID: PMC7430702 DOI: 10.1371/journal.pone.0237261] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 07/22/2020] [Indexed: 11/19/2022] Open
Abstract
Soil fertilization with dehydrated sewage sludge (DSS) accelerates the recovery process of degraded areas by improving nutrient concentration, and favors the development of trophic webs with pioneer plants such as Acacia auriculiformis A. Cunn. ex Beth (Fabales: Fabaceae), phytophagous Hemiptera, predators, and protocooperanting ants. This study aimed to evaluate the development and production of A. auriculiformis litter with or without dehydrated sewage sludge application and the ecological indices of sucking insects (Hemiptera), their predators and protocooperating ants, as bioindicators, in a degraded area for 24 months. Complete randomization was applied for two treatments (with or without application of dehydrated sewage sludge) in 24 replications (one repetition = one plant). We evaluated the number of leaves/branch and branches/plant, percentage of soil cover (litter), ecological indices of phytophagous Hemiptera, their predators, and protocooperating ants. The plants of A. auriculiformis, that were applied with dehydrated sewage sludge, had superior development when compared to plants where DSS were not applied. The highest abundance and richness of phytophagous Hemiptera species and Sternorrhyncha predators occurred on A. auriculiformis plants that were applied with dehydrated sewage sludge. The increase in richness of species of protocooperanting ants that established mutualistic relationships positively influenced the phytophagous Hemiptera. The use of A. auriculiformis, with application of dehydrated sewage sludge, can increase recovery of degraded areas due to its higher soil cover (e.g., litter) and results in higher ecological indices of phytophagous Hemiptera and their predators.
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Affiliation(s)
- Luan Rocha Dourado
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - Germano Leão Demolin-Leite
- Instituto de Ciências Agrárias, Universidade Federal de Minas Gerais, Montes Claros, Minas Gerais, Brazil
- * E-mail:
| | - Marcus Alvarenga Soares
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - Gustavo Leal Teixeira
- Instituto de Ciências Agrárias, Universidade Federal de Minas Gerais, Montes Claros, Minas Gerais, Brazil
| | | | - Regynaldo Arruda Sampaio
- Instituto de Ciências Agrárias, Universidade Federal de Minas Gerais, Montes Claros, Minas Gerais, Brazil
| | - Jose Cola Zanuncio
- Departamento de Entomologia/BIOAGRO, Universidade Federal deVicosa, Vicosa, Minas Gerais, Brazil
| | - Jesusa Crisostomo Legaspi
- United States Department of Agriculture-Agricultural Research Service-Center for Medical, Agricultural and Veterinary Entomology, Tallahassee, Florida, United States of America
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15
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Sun J, Yu R, Yan Y, Hu G, Qiu Q, Jiang S, Cui J, Wang X, Ma C. Isotope tracers for lead and strontium sources in the Tieguanyin tea garden soils and tea leaves. CHEMOSPHERE 2020; 246:125638. [PMID: 31891843 DOI: 10.1016/j.chemosphere.2019.125638] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 12/06/2019] [Accepted: 12/10/2019] [Indexed: 06/10/2023]
Abstract
The concentrations of Pb & Sr in Tieguanyin tea leaves and soils from 15 tea gardens of Anxi, China, were determined and the sources of Pb & Sr in soil and leaf samples were analysed using isotope tracing technology. The results showed pH in soils had significant correlations to both acid-extractable Pb & Sr in soils and new leaves. The Pb concentration in leaves was significantly lower than that in soils, especially the acid-extractable Pb in soils. The low Bio-concentration Factor (BCF) indicated the bioavailable Pb in soils could not easily be transferred to leaves. The contribution rates of parent material were 61%-100% and 45%-100% for total Pb isotope and acid-extractable Pb isotope in soils, respectively, indicating a low impact of human activity. A sizeable influence of parent material for leaves was also observed, suggesting that Pb may be present in the dust-fall. Although Sr concentrations in leaves were not high, they exceeded that in soils. The high BCF also indicated that tea has a high capacity to accumulate Sr, with the coincidence that Sr87/Sr86 in the acid-extractable isotope in soils were similar to new leaves. A Pb-Sr joint tracer indicated that Sr in old and new leaves may be influenced by parent material and anthropogenic sources, respectively.
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Affiliation(s)
- Jingwei Sun
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China; School of Resources and Environmental Science, Quanzhou Normal University, Quanzhou, 362000, China
| | - Ruilian Yu
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Yu Yan
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China.
| | - Gongren Hu
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China.
| | - Qijun Qiu
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Songhe Jiang
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Jianyong Cui
- Analytical Laboratory of Beijing Research Institute of Uranium Geology, Beijing, 100029, China
| | - Xiaoming Wang
- Analytical Laboratory of Beijing Research Institute of Uranium Geology, Beijing, 100029, China
| | - Chao Ma
- Licheng District Information Center of Environment, Putian, 351100, China
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16
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Xiao X, Zhang J, Wang H, Han X, Ma J, Ma Y, Luan H. Distribution and health risk assessment of potentially toxic elements in soils around coal industrial areas: A global meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 713:135292. [PMID: 32019003 DOI: 10.1016/j.scitotenv.2019.135292] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 09/30/2019] [Accepted: 10/28/2019] [Indexed: 05/06/2023]
Abstract
Coal production and utilization are recognized as two principal sources of potentially toxic elements in the environment. Here the published literature (2008-2018) was searched to collect data on As, Ni, Cd, Cu, Cr, Hg, Pb and Zn concentrations in soils near different types of coal industrial areas such as coal mines, thermal power plants, coal chemical plants, coal mining cities and coal waster piles. The contamination levels of soils and associated health risks were assessed using global reference materials and multiple contamination indices. The results revealed that average concentrations of potentially toxic elements varied widely, yet most of them exceeded global averages in background soils and upper continental crust concentrations. Spatial distribution analysis suggested the concentrations of potentially toxic elements varied according to coalification and combustion conditions. Higher concentrations were found in Southeast Asia, South Europe, and North Africa compared with other regions. Assessment of the geoaccumulation index revealed that contamination levels of Cd and Hg were higher than those of other elements. In particular, Ni, Cd, Zn, and Hg were most likely to accumulate in soils near coal mining areas, while Cd and Hg tended to accumulate near coal chemical plants. Regarding non-carcinogenic risks, oral ingestion was the major pathway of exposure to potentially toxic elements in coal industry-associated soils, followed by dermal contact and inhalation. Tolerable non-carcinogenic risk of potentially toxic elements and relatively high carcinogenic risks of As were observed. Children were most vulnerable to non-carcinogenic risks, while the carcinogenic risks estimated for adult and children populations were similar. Accordingly, As should be designated as top candidates for priority control to protect human health in the vicinity of coal industry-associated areas. This study provides timely information for developing control and management strategies to reduce soil contamination by potentially toxic elements in different types of coal industrial areas.
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Affiliation(s)
- Xin Xiao
- Jiangsu Key Laboratory of Resources and Environmental Information Engineering, Xuzhou, Jiangsu 221116, China; School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
| | - Jixiong Zhang
- School of Mines, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
| | - Hui Wang
- Jiangsu Key Laboratory of Resources and Environmental Information Engineering, Xuzhou, Jiangsu 221116, China; School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China.
| | - Xiaoxun Han
- School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
| | - Jing Ma
- Low Carbon Energy Institute, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China
| | - Yu Ma
- School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
| | - Huijun Luan
- School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
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17
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Desai M, Haigh M, Walkington H. Phytoremediation: Metal decontamination of soils after the sequential forestation of former opencast coal land. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 656:670-680. [PMID: 30529970 DOI: 10.1016/j.scitotenv.2018.11.327] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 11/16/2018] [Accepted: 11/21/2018] [Indexed: 06/09/2023]
Abstract
Phytoremediation through forestry may be an effective means for reducing the metal loading in lands reclaimed after surface-coal-mining in the UK. Planted with mixed woodland, the soil loading of 5 key metals (Zn, Cd, Mn, Pb and Cu) decreased, significantly and progressively, compared to soils left as grassland through a 14 year forestation chronosequence on land reclaimed from the former Varteg opencast coalmine, South Wales. Fourteen years after initial tree planting, soil metal loadings decreased by 52% for Cd (4.3 mg∙kg-1 per year), 48% for Cu (2.1 mg∙kg-1 per year), 47% for Zn (7.3 mg∙kg-1 per year), 44% for Pb. (7.1 mg∙kg-1 per year) and 35% for Mn (45 mg.kg-1 per year). Analysis of metal loadings in the leaves of Alnus glutinosa (L. Gaertn) (Common Alder) and Betula pendula (Roth) (Silver Birch) found both to be involved in metal uptake with birch taking up more Cd, Cu, Zn and Mn and Alder more Pb. Concentrations of Zn, Mn and Cd (Birch only) increased significantly in leaves from, but not in soils, under older plantings. Since different tree species take up metals at different rates, mixed plantings may be more effective in forest phytoremediation.
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Affiliation(s)
- Mansi Desai
- Department of Social Sciences (Geography), Oxford Brookes University, Gipsy Lane Campus, Headington, Oxford, UK OX3 0BP, UK
| | - Martin Haigh
- Department of Social Sciences (Geography), Oxford Brookes University, Gipsy Lane Campus, Headington, Oxford, UK OX3 0BP, UK..
| | - Helen Walkington
- Department of Social Sciences (Geography), Oxford Brookes University, Gipsy Lane Campus, Headington, Oxford, UK OX3 0BP, UK
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18
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Rizvi A, Ahmed B, Zaidi A, Khan MS. Heavy metal mediated phytotoxic impact on winter wheat: oxidative stress and microbial management of toxicity byBacillus subtilisBM2. RSC Adv 2019; 9:6125-6142. [PMID: 35517307 PMCID: PMC9060871 DOI: 10.1039/c9ra00333a] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 02/07/2019] [Indexed: 12/14/2022] Open
Abstract
Heavy metals are toxic environmental contaminants, which severely affect microbial composition and functions and, concurrently, crop production. Due to these issues, the present study focussed on the selection of metal tolerant microbes endowed with metal detoxification abilities and their role in the management and remediation of metal contaminated soils. The metal tolerant bacterium BM2, identified as Bacillus subtilis by 16SrRNA gene sequencing, survived well under metal pressure and tolerated 1600 and 2000 μg mL−1 of Ni and Pb, respectively. The inhibitory impact of metals on wheat increased consistently with a progressive increase in metal concentration. Deposition of Ni and Pb within root and leaf and oxidative stress were validated by SEM, EDX and CLSM. The overall growth parameters of wheat grown under metal stress were improved following B. subtilis BM2 colonization. As an example, B. subtilis with 195 mg Pb kg−1 enhanced the length and dry biomass of shoots by 14% and 23%, respectively, over the control. Also, strain BM2 improved the grain yield significantly by 49% at 870 mg Ni kg−1 and by 50% at 585 mg Pb kg−1 compared to uninoculated plants. Moreover, B. subtilis BM2 relieved the metal stress on wheat and caused a significant drop in proline and malondialdehyde content and the activities of antioxidant enzymes, like catalase (CAT), superoxide dismutase (SOD) and glutathione reductase (GR). This study, therefore, provided solutions to the metal toxicity problems faced by winter wheat and clearly suggests that the metal detoxification potential of B. subtilis BM2 could be greatly useful in the management of metal polluted soils. The bacterial management of heavy metal toxicity to durum wheat under a metal stressed environment was demonstrated.![]()
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Affiliation(s)
- Asfa Rizvi
- Department of Agricultural Microbiology
- Faculty of Agricultural Sciences
- Aligarh Muslim University
- Aligarh
- India
| | - Bilal Ahmed
- Department of Agricultural Microbiology
- Faculty of Agricultural Sciences
- Aligarh Muslim University
- Aligarh
- India
| | - Almas Zaidi
- Department of Agricultural Microbiology
- Faculty of Agricultural Sciences
- Aligarh Muslim University
- Aligarh
- India
| | - Mohd. Saghir Khan
- Department of Agricultural Microbiology
- Faculty of Agricultural Sciences
- Aligarh Muslim University
- Aligarh
- India
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19
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Pająk M, Błońska E, Szostak M, Gąsiorek M, Pietrzykowski M, Urban O, Derbis P. Restoration of Vegetation in Relation to Soil Properties of Spoil Heap Heavily Contaminated with Heavy Metals. WATER, AIR, AND SOIL POLLUTION 2018; 229:392. [PMID: 30546164 PMCID: PMC6267170 DOI: 10.1007/s11270-018-4040-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 11/15/2018] [Indexed: 05/10/2023]
Abstract
The main objectives of our study were to evaluate soil contamination on a zinc-lead spoil heap in the Upper Silesian Industrial Region in southern Poland using pollution indices, and to investigate the relation between soil properties and the natural succession of vegetation. Organic carbon and nitrogen, pH, soil texture, base cations, and heavy metal content were analyzed in soil samples at depths of 0-15 cm below the organic horizon over a regular grid of 14 sampling plots. The contents of Zn, Pb, and Cd exceeded by several times the acceptable thresholds. Measurements of soil enzyme activity were used to evaluate the progress of vegetation development in relation to soil chemical properties. The results indicate that heavy metals had a significant impact on soil enzyme activity and the development of vegetation cover. High contents of Pb and Cd reduced enzyme activity, while this activity increased with increasing amounts of soil organic matter. Further, the accumulative capacities of heavy metals in needles of Scots pine (Pinus sylvestris L.) and aboveground biomass of bladder campion (Silene vulgaris (Moench) Garcke) were examined. A high accumulation of Zn, Pb, and Cd in the aboveground tissues of S. vulgaris indicated an unusual tolerance of this species to heavy metals and the possibility of using this species in phytoremediation of post-industrial sites.
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Affiliation(s)
- Marek Pająk
- Department of Forest Ecology and Reclamation, University of Agriculture in Krakow, al. 29 Listopada 46, 31-425 Krakow, Poland
| | - Ewa Błońska
- Department of Forest Soil, University of Agriculture in Krakow, al. 29 Listopada 46, 31-425 Krakow, Poland
| | - Marta Szostak
- Department of Forest Management, Geomatics and Forest Economics, University of Agriculture in Krakow, al. 29 Listopada 46, 31-425 Krakow, Poland
| | - Michał Gąsiorek
- Department of Soil Science and Soil Protection, University of Agriculture in Krakow, al. Mickiewicza 21, 31-120 Krakow, Poland
| | - Marcin Pietrzykowski
- Department of Forest Ecology and Reclamation, University of Agriculture in Krakow, al. 29 Listopada 46, 31-425 Krakow, Poland
| | - Otmar Urban
- Global Change Research Institute, Czech Academy Sciences, Bělidla 986/4a, 60300 Brno, Czech Republic
| | - Piotr Derbis
- Department of Forest Ecology and Reclamation, University of Agriculture in Krakow, al. 29 Listopada 46, 31-425 Krakow, Poland
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Bandyopadhyay S, Rana V, Maiti SK. Chronological Variation of Metals in Reclaimed Coal Mine Soil and Tissues of Eucalyptus Hybrid Tree After 25 Years of Reclamation, Jharia Coal Field (India). BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2018; 101:604-610. [PMID: 30306191 DOI: 10.1007/s00128-018-2466-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 10/05/2018] [Indexed: 06/08/2023]
Abstract
Fast-growing metal-accumulating woody trees are potential candidates for phytoremediation of coal mine overburden (OB) dumps. The present study assessed chronological variation in metals (Pb, Zn, Mn, Cu, and Co) concentration in reclaimed mine soil (RMS) and tissues (leaf, stem bark, stem wood, root bark and root wood) of Eucalyptus hybrid tree between 3 and 25-year old OB dumps (RMS3 and RMS25) from Jharia coal field (India). Total metal concentrations of Pb, Zn, and Cu in RMS25 were 1.55, 3.46, and 1.44 times lower (p < 0.05), respectively, than RMS3. Higher concentrations of total (110%-565%) and available form (DTPA-extractable) of metals (109%-480%) were observed in RMS25 than in control soil. Pb selectively accumulated in stem bark, Zn and Mn in leaves, and Cu and Co in root wood. Metal concentrations were higher (1.04-4.15 times at p < 0.05) in tree tissues growing on RMS25 than in RMS3. This study concluded that Eucalyptus hybrid could be utilized for reclamation of coal mine OB dumps.
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Affiliation(s)
- Sneha Bandyopadhyay
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
| | - Vivek Rana
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
| | - Subodh Kumar Maiti
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India.
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21
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Rana V, Maiti SK. Municipal wastewater treatment potential and metal accumulation strategies of Colocasia esculenta (L.) Schott and Typha latifolia L. in a constructed wetland. ENVIRONMENTAL MONITORING AND ASSESSMENT 2018; 190:328. [PMID: 29730705 DOI: 10.1007/s10661-018-6705-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 04/24/2018] [Indexed: 06/08/2023]
Abstract
This paper elucidates phytoremediation potential of two wetland plants (Colocasia esculenta (L.) Schott and Typha latifolia L.) for municipal wastewater treatment using constructed wetland (CW) mesocosms. The concentrations (mg L-1) of chemical oxygen demand (COD), total kjeldahl nitrogen (TKN), Cu, Cd, Cr, Zn, and Pb in municipal wastewater were higher than permissible Indian standards for inland surface water disposal; however, Mn and Ni were within the permissible limits. The pollutant removal efficiencies of planted CWs varied as electrical conductivity (EC) 67.8-71.4%; COD 70.7-71.1%; TKN 63.8-72.3%; Cu 75.3-83.4%; Cd 73.9-83.1%; Mn 74.1-74.5%; Cr 64.8-73.6%; Co 82.2-84.2%; Zn 63.3-66.1%; Pb 71.4-77.9%; and Ni 76-80%. Mass balance analysis revealed that the loss of metals from wastewater was equivalent to net accumulation in plants and natural degradation of metals. Metal accumulation strategies of plants were investigated using bioconcentration factor (BCF) and translocation factor (TF) of metals which indicated that both plants could be employed for phytostabilization (BCF > 1 and TF < 1) of Cu, Cd, Co, Pb, and Ni and phytoextraction (BCF > 1 and TF > 1) of Mn and Zn. The study demonstrated that a reduction of pollutants (except Pb) was observed within permissible levels (BIS) and suggested disposal of municipal wastewater into the inland surface water bodies after 20 days of treatment. The study concluded that both the plants could potentially be used for an efficient municipal wastewater treatment using constructed wetlands.
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Affiliation(s)
- Vivek Rana
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, India
| | - Subodh Kumar Maiti
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, India.
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