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Abstrakty
Soil microorganisms and soil enzyme activities are important indexes to evaluate soil status. The soil pollution status was evaluated by measuring the physical and chemical properties and heavy metal content of rare earth combined contaminated soil around the Maoniuping old mining area and tailings ponds in different seasons, and measuring the number and diversity of microorganisms and the soil enzyme activities of the arable soil microecology. This research shows that the physical and chemical properties of farmland soil in old mining areas and tailings ponds in different seasons are significantly different, the concentration of rare earth combined contamination in old mines is greater than that in the tailings area, and the changes in the concentration of rare earth combined contamination cause significant changes in soil microecology. Rare earth combined contamination inhibits fungal and bacterial vital activities and promotes the growth of actinomycetes; reduces the sensitivity of sucrase to heavy metal contamination, promotes the activity of phosphatase, and the effect on urease is that of “promotion at low concentration and inhibition at high concentration”; and reduces the community’s ability to use carbon sources and, as a result, the community species are rare and distributed unevenly and the community structure is simple. These results indicate that rare earth combined contamination is potentially harmful to soil microorganisms, which can provide a theoretical basis for the ecological restoration of farmland soil in mining areas.
Czasopismo
Rocznik
Tom
Strony
227--236
Opis fizyczny
Bibliogr. 16 poz., tab., wykr.
Twórcy
autor
- School of Resource and Environment, Xichang University, Xichang, 615000, China
autor
- School of Resource and Environment, Xichang University, Xichang, 615000, China
autor
- School of Resource and Environment, Xichang University, Xichang, 615000, China
autor
- School of Resource and Environment, Xichang University, Xichang, 615000, China
Bibliografia
- [1] Ali MM, Rahman S, Islam MS, Rakib MRJ, Hossen S, Rahman MZ, et al. Distribution of heavy metals innwater and sediment of an urban river in a developing country: A probabilistic risk assessment. Int J Sediment Res. 2021;37(2):173-87. DOI: 10.1016/j.ijsrc.2021.09.002.
- [2] Helaoui S, Mkhinini M, Boughattas I, Alphonse V, Giusti-Miller S, Livet A, et al. Assessment of changes on rhizospheric soil microbial biomass, enzymes activities and bacterial functional diversity under nickel stress in presence of alfafa plants. Soil Sediment Contam. 2020;29(8):823-43. DOI: 10.1080/15320383.2020.1771276.
- [3] Abdollahi S, Golchin A, Shahryari F. Lead and cadmium-resistant bacterial species isolated from heavy metal-contaminated soils show plant growth-promoting traits. Int Microbiol. 2020;23(4):625-40. DOI:10.1007/s10123-020-00133-1.
- [4] Gorovtsov A, Minkina TM, Morin T, Zamulina IV, Mandzhieva SS, Sushkova SN, et al. Ecological evaluation of polymetallic soil quality: the applicability of culture-dependent methods of bacterial communities studying. J Soil Sediment. 2019;19(8):3127-38. DOI: 10.1002/clen.201800416.
- [5] Zhao XQ, Sun Y, Huang J, Wang H, Tang D. Effects of soil heavy metal pollution on microbial activities and community diversity in different land use types in mining areas. Environ Sci Pollut Res. 2020;27(16): 20215-26. DOI: 10.1007/s11356-020-08538-1.
- [6] Boros-Lajszner E, Wyszkowska J, Kucharski J. Application of white mustard and oats in the phytostabilisation of soil contaminated with cadmium with the addition of cellulose and urea. J Soil Sediment. 2019;20(2):931-42. DOI: 10.1007/s11368-019-02473-6.
- [7] Maliang HD, Tang LH, Lin HP, Chen AL, Ma JY. Influence of high-dose continuous applications of pyroligneous acids on soil health assessed based on pH, moisture content and three hydrolases. Environ Sci Pollut Res. 2020;27(13):15426-39. DOI: 10.1007/s11356-020-08075-x.
- [8] Gillespie LM, Hattenschwiler S, Milcu A, Wambsganss J, Shihan A, Fromin N. Tree species mixing affects soil microbial functioning indirectly via root and litter traits and soil parameters in European forests. Funct Ecol. 2021;35(10):2190-204. DOI: 10.1111/1365-2435.13877.
- [9] Ayangbenro A, Babalola O. A new strategy for heavy metal polluted environments: a review of microbial biosorbents. Int J Environ Res Pub Health. 2017;14(1):94. DOI: 10.3390/ijerph14010094.
- [10] Fajardo C, Costa G, Nande M. Pb, Cd, and Zn soil contamination: Monitoring functional and structural impacts on the microbiome. Appl Soil Ecol. 2019;135:56-64. DOI: 10.1016/j.apsoil.2018.10.022.
- [11] Jiang WQ, Yao GJ, Jing X, Liu XK, Liu DH, Zhou ZQ. Effects of Cd2+ and Pb2+ on enantioselective degradation behavior of alpha-cypermethrin in soils and their combined effect on activities of soil enzymes. Environ Sci Pollut Res. 2021;28(34):47099-106. DOI: 10.1007/s11356-021-13929-z.
- [12] Lin YB, Ye YM, Hu YM, Shi HK. The variation in microbial community structure under different heavy metal contamination levels in paddy soils. Ecotox Environ Safe. 2019;180:557-64. DOI: 10.1016/j.ecoenv.2019.05.057.
- [13] Luo C, Deng Y, Inubushi K. Sludge biochar amendment and alfalfa revegetation improve soil physicochemical properties and increase diversity of soil microbes in soils from a rare earth element mining wasteland. Int J Environ Res Pub Health. 2018;15(5):965. DOI: 10.3390/ijerph15050965.
- [14] Mahar A, Wang P, Ali A. Challenges and opportunities in the phytoremediation of heavy metals contaminated soils: A review. Ecotox Environ Safety. 2016;126:111-21. DOI: 10.1016/j.ecoenv.2015.12.023.
- [15] Sun W, Ji B, Khoso SA. An extensive review on restoration technologies for mining tailings. Environ Sci Pollut Res. 2018;1-15. DOI: 10.1007/s11356-018-3423-y.
- [16] Manjunath M, Kumar U, Yadava RB, Rai AB, Singh B. Influence of organic and inorganic sources of nutrients on the functional diversity of microbial communities in the vegetable cropping system of the Indo-Gangetic plains. Comptes Rendus Biol. 2018;314(6):349-57. DOI: 10.1016/j.crvi.2018.05.002.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-38f5ce71-5ff2-48ac-9e94-a04ebf89247c