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  • Touceda-Gonzalez, M.Instituto de Investigaciones Agrobiologicas de Galicia (IIAG), Consejo Superior de Investigaciones Científicas (CSIC) (author)

Microbial community structure and activity in trace elementcontaminatedsoils phytomanaged by Gentle Remediation Options (GRO)

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • Elsevier,2017
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:ltu-65156
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-65156URI
  • https://doi.org/10.1016/j.envpol.2017.07.097DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Validerad; 2017; Nivå 2; 2017-08-17 (andbra)
  • Gentle remediation options (GRO) are based on the combined use of plants, associated microorganisms and soil amendments, which can potentially restore soil functions and quality. We studied the effects of three GRO (aided-phytostabilisation, in situ stabilisation and phytoexclusion, and aided-phytoextraction) on the soil microbial biomass and respiration, the activities of hydrolase enzymes involved in the biogeochemical cycles of C, N, P, and S, and bacterial community structure of trace element contaminated soils (TECS) from six field trials across Europe. Community structure was studied using denaturing gradient gel electrophoresis (DGGE) fingerprinting of Bacteria, α- and β-Proteobacteria, Actinobacteria and Streptomycetaceae, and sequencing of DGGE bands characteristic of specific treatments. The number of copies of genes involved in ammonia oxidation and denitrification were determined by qPCR.Phytomanagement increased soil microbial biomass at three sites and respiration at the Biogeco site (France). Enzyme activities were consistently higher in treated soils compared to untreated soils at the Biogeco site. At this site, microbial biomass increased from 696 to 2352 mg ATP kg−1 soil, respiration increased from 7.4 to 40.1 mg C-CO2 kg−1 soil d−1, and enzyme activities were 2–11-fold higher in treated soils compared to untreated soil. Phytomanagement induced shifts in the bacterial community structure at both, the total community and functional group levels, and generally increased the number of copies of genes involved in the N cycle (nirK, nirS, nosZ, and amoA). The influence of the main soil physico-chemical properties and trace element availability were assessed and eventual site-specific effects elucidated. Overall, our results demonstrate that phytomanagement of TECS influences soil biological activity in the long term.

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  • Prieto-Fernandez, A.Instituto de Investigaciones Agrobiologicas de Galicia (IIAG), Consejo Superior de Investigaciones Científicas (CSIC) (author)
  • Renella, GiancarloDepartment of Agrifood Production and Environmental Sciences, University of Florence (author)
  • Giagnoni, LauraDepartment of Agrifood Production and Environmental Sciences, University of Florence (author)
  • Sessitsch, A.AIT Austrian Institute of Technology GmbH, Center for Health & Bioresources (author)
  • Brader, G.AIT Austrian Institute of Technology GmbH, Center for Health & Bioresources (author)
  • Kumpiene, JurateLuleå tekniska universitet,Geovetenskap och miljöteknik(Swepub:ltu)juku (author)
  • Dimitriou, IoannisSwedish University of Agriculture Sciences, Department of Crop Production Ecology (author)
  • Eriksson, J.Swedish University of Agriculture Sciences, Department of Soil and Environment (author)
  • Friesl-Hanl, WolfgangAIT Austrian Institute of Technology (author)
  • Gałązka, RafałInstitute of Soil Science and Plant Cultivation - State Research Institute (author)
  • Janssen, JolienHasselt University, Centre for Environmental Sciences (author)
  • Mench, MichelAgence Nationale de Sécurité Sanitaire (Anses) (author)
  • Müller, IngoSaxon State Agency for Environment, Agriculture and Geology (author)
  • Neu, SilkeSaxon State Office for Environment, Agriculture and Geology (author)
  • Puschenreiter, MarkusUniversity of Natural Resources and Life Sciences Vienna (author)
  • Siebielec, GrzegorzInstitute of Soil Science and Plant Cultivation - State Research Institute (author)
  • Vangronsveld, JacoHasselt University, Centre for Environmental Sciences (author)
  • Kidd, Petra S.Instituto de Investigaciones Agrobiológicas de Galicia (IIAG), Consejo Superior de Investigaciones Científicas (CSIC), Santiago de Compostela (author)
  • Instituto de Investigaciones Agrobiologicas de Galicia (IIAG), Consejo Superior de Investigaciones Científicas (CSIC)Department of Agrifood Production and Environmental Sciences, University of Florence (creator_code:org_t)

Related titles

  • In:Environmental Pollution: Elsevier231:1, s. 237-2510269-74911873-6424

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