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@ARTICLE{Williams:820772,
author = {Williams, Jonathan S. and Dungait, Jennifer A. J. and Bol,
Roland and Abbott, Geoffrey D.},
title = {{C}ontrasting temperature responses of dissolved organic
carbon and phenols leached from soils},
journal = {Plant and soil},
volume = {399},
number = {1-2},
issn = {1573-5036},
address = {Dordrecht [u.a.]},
publisher = {Springer Science + Business Media B.V},
reportid = {FZJ-2016-06039},
pages = {13 - 27},
year = {2016},
abstract = {Background and aimsPlant-derived phenols are a major input
to the terrestrial carbon cycle that might be expected to
contribute substantially to dissolved organic carbon (DOC)
losses from soils. This study investigated changes in DOC
and phenols in leachates from soil treated with individual
plant litter types under seasonal temperature
change.MethodsSenescing grass, buttercup, ash and oak
litters were applied to soil lysimeters. Leachates were
collected over 22 months and analysed for DOC and phenols.
Phenols in litter and DOC were analysed using on-line
thermally assisted hydrolysis and methylation with
tetramethylammonium hydroxide (TMAH).ResultsMass loss
differed between litter type (buttercup>ash>grass>oak).
Phenol concentrations in the senescing litters (<2 $\%$ TOC)
were small, resulting in minor losses to water. Seasonal
soil temperature positively correlated with DOC loss from
litter-free soils. An initial correlation between
temperature change and total phenol concentration in grass
and ash litter treatment leachates diminished with time.
Dissolved phenol variety in all litter-amended soil
leachates increased with time.ConclusionsPlant-derived
phenols from senescing litter made a minor contribution to
DOC loss from soils. The strength of the relationship
between seasonal temperature change and phenol type and
abundance in DOC changed with time and was influenced by
litter type.},
cin = {IBG-3},
ddc = {570},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {255 - Terrestrial Systems: From Observation to Prediction
(POF3-255)},
pid = {G:(DE-HGF)POF3-255},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000369425300002},
pubmed = {pmid:26900180},
doi = {10.1007/s11104-015-2678-z},
url = {https://juser.fz-juelich.de/record/820772},
}