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Matucha, M.* ; Forczek, S.T.* ; Gryndler, M.* ; Uhlirova, H.* ; Fuksová, K.* ; Schröder, P.

Trichloroacetic acid in Norway spruce/soil-system. I. Biodegradation in soil.

Chemosphere 50, 303-309 (2003)
DOI
Open Access Gold as soon as Publ. Version/Full Text is submitted to ZB.
Trichloroacetic acid (TCA) as a phytotoxic substance affects health status of coniferous trees. It is known as a secondary air pollutant (formed by photooxidation of tetrachloroethene and 1,1,1-trichloroethane) and as a product of chlorination of humic substances in soil. Its break-down in soil, however, influences considerably the TCA level, i.e. the extent of TCA uptake by spruce roots. In connection with our investigations of TCA effects on Norway spruce, microbial processes in soil were studied using 14C-labeling. It was shown that TCA degradation in soil is a fast process depending on TCA concentration, soil properties, humidity and temperature. As a result, the TCA level in soil is determined by a steady state between uptake from the atmosphere, formation in soil, leaching and degradation. The process of TCA degradation in soil thus participates significantly in the chlorine cycle in forest ecosystems.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Microbial degradation; Trichloroacetic acid; Forest soil; 14C-labeling; Radio-indicator methods; TCA uptake; Dichloroacetic acid
Language english
Publication Year 2003
HGF-reported in Year 0
ISSN (print) / ISBN 0045-6535
e-ISSN 1879-1298
Journal Chemosphere
Quellenangaben Volume: 50, Issue: 3, Pages: 303-309 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Kidlington, Oxford
Reviewing status Peer reviewed
Institute(s) Institute of Soil Ecology (IBOE)
Research field(s) Environmental Sciences
PSP Element(s) FE 74492
DOI 10.1016/S0045-6535(02)00638-0
Erfassungsdatum 2002-12-31
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