Detailed Information on Publication Record
2017
Bioavailability and toxicity of pyrene in soils upon biochar and compost addition
BIELSKÁ, Lucie, Mélanie Marie KAH, Gabriel SIGMUND, Thilo HOFMANN, Sebastian HOSS et. al.Basic information
Original name
Bioavailability and toxicity of pyrene in soils upon biochar and compost addition
Authors
BIELSKÁ, Lucie (203 Czech Republic, guarantor, belonging to the institution), Mélanie Marie KAH (250 France), Gabriel SIGMUND (40 Austria), Thilo HOFMANN (40 Austria) and Sebastian HOSS (276 Germany)
Edition
Science of the Total Environment, AMSTERDAM, Elsevier, 2017, 0048-9697
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10511 Environmental sciences
Country of publisher
Netherlands
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 4.610
RIV identification code
RIV/00216224:14310/17:00100298
Organization unit
Faculty of Science
UT WoS
000401556800015
Keywords in English
Biochar; Compost; Nematodes; Pyrene toxicity; Solid-phase microextraction; Sorption
Tags
International impact, Reviewed
Změněno: 29/3/2018 11:04, Ing. Nicole Zrilić
Abstract
V originále
The study investigates the role of biochar and/or compost in mitigating the toxic effects of pyrene in soils using reproduction of nematodes and porewater concentration as measures of pyrene toxicity and bioavailability, respectively. Two soils were spiked with increasing levels of pyrene to achieve a concentration-response relationship for the reproduction of Caenorhabditis elegans. The observed EC50 values (pyrene concentration causing 50% inhibition of reproduction) were 14mg/kg and 31mg/kg (drymass) for these soils, corresponding to equilibrium porewater concentrations of 37 mu g/L and 47 mu g/L, respectively. Differences in organic carbon content were not sufficient to explain the variability in toxicity between the different soils. Soils causing a significant inhibition of reproduction were further amended with 10%-compost, 5%-biochar, or both, and the effects on reproduction and porewater concentration determined. Combined addition of compost and biochar was identified as the most effective strategy in reducing pyrene concentration in soil porewater, which was also partly reflected in soil toxicity. However, porewater concentrations predicted only 52% of pyrene toxicity to nematodes, pointing to particle-bound or dietary exposure pathways. Capsule: Amending pyrene-spiked soil with biochar and compost effectively reduced pyrene porewater concentrations and toxicity to nematodes, which were significantly related.
Links
LM2015051, research and development project |
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LO1214, research and development project |
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