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2018 | 27 | 3 |

Tytuł artykułu

Interactive effect of radioactive and heavy-metal contamination on soil enzyme activity in a former uranium mine

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Radioactivity and heavy metal toxicity of multi-metal deposits coexisting with the element uranium (U) could have long-term adverse impacts on soil biological processes and the health of soil ecosystems. Soil enzyme activities are considered bioindicators for assessing soil health. An experiment was designed to investigate invertase and ß-glucosidase activity in multi-metal deposits. Radioactivity and heavy metals were also investigated during this study. Our results showed that the invertase and ß-glucosidase activities were significantly lower in the core mining area than the control area (p<0.05). Activities of the two enzymes decreased with increasing metal concentrations and radioactivity. Cu and Zn showed significant negative effects on ß-glucosidase and invertase activities in a multi-metal deposit at the study site. A significant nonlinear relationship was recorded between soil enzyme activities, radiation dose (R² = 0.71, 0.63; p<0.05), Zn (R² = 0.34, 0.41; p<0.05) and Cu concentrations (R² = 0.46, 0.45; p<0.05). There were turning points at 1 μGy h⁻¹, 250 μg g⁻¹, and 30 μg g⁻¹ for radiation dose, Zn and Cu contents, respectively. The findings could provide more information regarding the toxic effects of radiation and heavy metals on the soil health of multi-metal deposits, which can more precisely guide environmental protection.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

27

Numer

3

Opis fizyczny

p.1343-1351,fig.,ref.

Twórcy

autor
  • School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
autor
  • Key Laboratory of Solid Waste Treatment and Resource Recycling, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China
autor
  • School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
autor
  • Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory-Collaborative Innovation Center of Nuclear Wastes and Environmental Safety, Southwest University of Science and Technology, China
autor
  • School of Earth Science and Engineering, Nanjing Univiersity, Nanjing 210023, China
autor
  • Center of CEF/ESCER, Department of Biological Science, University of Quebec at Montreal, Montreal H3C 3P8, Canada
autor
  • CAS Key Laboratory of Mountain Ecological Restoration and Bioresources Utilization and Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
autor
  • School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
autor
  • Key Laboratory of Solid Waste Treatment and Resource Recycling, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China
autor
  • Key Laboratory of Solid Waste Treatment and Resource Recycling, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China

Bibliografia

  • 1. NCHEZ-GONZ LEZ S., CURTO N., CARAVANTES P., GARC A-S NCHEZ A. Natural Gamma Radiation and Uranium Distribution in Soils and Waters in the Agueda River Basin (Spain-Portugal). Proc. Earth. Planet. Sci. 8, 93, 2014.
  • 2. FERNANDAS H.M., VEIGA L.H.S., FRANKLIN M.R., PRADO V.C.S., TADDEI J.F. Environmental impact assessment of uranium mining and milling facilities: A study case at the poços de caldas uranium mining and milling site, Brazil. J. Geochem. Explor. 52, 161, 1995.
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  • 4. YANG, GAO, ZHOU, LIANG, MAO, YUEER, ZHI, CHUNHUA, ZHANG. Effects of plant species coexistence on soil enzyme activities and soil microbial community structure under Cd and Pb combined pollution. J. Environ. Sci. 22, 1040, 2010.
  • 5. LEBRUN J.D., TRINSOUTROTGATTIN I., VINCESLASAKPA M., BAILLEUL C., BRAULT A., MOUGIN C., LAVAL K. Assessing impacts of copper on soil enzyme activities in regard to their natural spatiotemporal variation under long-term different land uses. Soil Biol. Biochem. 49, 150, 2012.
  • 6. CHAPERON S., SAUV S. Toxicity interaction of metals (Ag, Cu, Hg, Zn) to urease and dehydrogenase activities in soils. Soil Biol. Biochem. 39, 2329, 2007.
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  • 10. HINOJOSA M.B., CARREIRA J.A., GARCIARUIZ R., DICK R.P. Soil moisture pre-treatment effects on enzyme activities as indicators of heavy metal-contaminated and reclaimed soils. Soil Biol. Biochem. 36, 1559, 2004.
  • 11. TRIPATHY S., BHATTACHARYYA P., MOHAPATRA R., SOM A., CHOWDHURY D. Influence of different fractions of heavy metals on microbial ecophysiological indicators and enzyme activities in century old municipal solid waste amended soil. Ecol. Eng. 70, 25, 2014.
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  • 17. WU J. Soil microbial biomass-methods and application: China Meteorological Press, 2006.
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  • 20. LU R. Analysis Method of Soil and Agricultural Chemicals. Chinese Agricultural Science and Technology Publishing House, China Soil Science Society. 1999 [In Chinese].
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  • 22. LI Y., LIU B., ZHANG X., GAO M., WANG J. Effects of Cu exposure on enzyme activities and selection for microbial tolerances during swine-manure composting. J. Hazard. Mater. 283, 512, 2015.
  • 23. ZHANG W. Effects of zinc on metabolism and oxidative enzyme activities of microbe communities during composting. Afr. J. Microbiol. Res. 6, 88, 2012.
  • 24. GUO X.L., JIE G.U., GAO H., QIN Q.J., ZHANG W.J., HAI-LONG L.I., CHEN S.N., LIU J., ZHANG H.B., CHEN L. Effect of Heavy Metal Cu on Microbial Community Metabolic Profiles and Hydrolytic Enzyme Activities in Composting. J. Agro-Environ. Sci, 2011.
  • 25. BURGES A., EPELDE L., GARBISU C. Impact of repeated single-metal and multi-metal pollution events on soil quality. Chemosphere. 120, 8, 2015.
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  • 27. BAYKARA O., DOĞRU M. Determination of terrestrial gamma, 238 U, 232 Th and 40 K in soil along fracture zones. Radiat. Measur. 44, 116, 2009.
  • 28. NCHEZ-GONZ LEZ S., CURTO N., CARAVANTES P., GARC A-S NCHEZ A. Natural Gamma Radiation and Uranium Distribution in Soils and Waters in the Agueda River Basin (Spain-Portugal). Proc. Earth. Planet. Sci. 8, 93, 2014.
  • 29. STAZI S.R., MARABOTTINI R., PAPP R., MOSCATELLI M.C. Arsenic in Soil: Availability and Interactions with Soil Microorganisms: Springer International Publishing, 2015.
  • 30. HU X.F., JIANG Y., SHU Y., HU X., LIU L., LUO F. Effects of mining wastewater discharges on heavy metal pollution and soil enzyme activity of the paddy fields. J. Geochem. Explor. 147, 139, 2014.

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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