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Determination of EC₅₀ values for Cu, Zn, and Cr on microorganisms activity in a Mediterranean sandy soil
Carabassa, Vicenç (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Domene, Xavier (Xavier) (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Ortiz Perpiñà, Oriol (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Marks, Evan A. N. (Universidad de Burgos. Departamento de Química)
Alcañiz, Josep M. (Josep Maria) (Centre de Recerca Ecològica i d'Aplicacions Forestals)

Date: 2018
Abstract: Ecotoxicity of three potentially toxic metals (PTM) (Cu, Zn, and Cr) in a slightly acidic sandy soil is tested using the soil respiration test (OECD-217) in order to determine EC₅₀ values for the carbon transformation activity of microorganisms. Addition of an organic amendment of Populus leaves is also crossed with metal spiking in order to investigate possible interaction with metal toxicity. Soil respiration is measured at day 1 and 28 after the soil spiking with the PTM to assess short-term effects on soil microbial activity. Of the three metals tested, Cu shows the highest toxicity at the longest exposure times (day 28) and Zn shows a strong inhibitory effect in the short-term (day 1), even though later toxicity diminish significantly. Cr is the least toxic studied PTM. Organic amendment outweighs any adverse effects of these metals, increasing soil respiration, even in the treatments with high doses of metals.
Note: Número d'acord de subvenció MCYT/AGL2002-03297
Rights: Tots els drets reservats
Language: Anglès
Document: article ; recerca ; acceptedVersion
Subject: Effective concentrations ; Metal toxicity ; Toxic metals ; Soil microorganisms ; Soil organic matter
Published in: CLEAN : soil, air, water, Vol. 47, issue 12 (December 2019) , art. 1700617, ISSN 1863-0650

DOI: 10.1002/clen.201700617

16 p, 1.3 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (research output) > Experimental sciences > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Articles > Research articles
Articles > Published articles

 Record created 2018-02-15, last modified 2021-04-14

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