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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 Green möglich sobald Postprint bei der ZB eingereicht worden ist.
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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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
Schlagwörter Microbial degradation; Trichloroacetic acid; Forest soil; 14C-labeling; Radio-indicator methods; TCA uptake; Dichloroacetic acid
ISSN (print) / ISBN 0045-6535
e-ISSN 1879-1298
Zeitschrift Chemosphere
Quellenangaben Band: 50, Heft: 3, Seiten: 303-309 Artikelnummer: , Supplement: ,
Verlag Elsevier
Verlagsort Kidlington, Oxford
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Soil Ecology (IBOE)