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Determinants of soil organic matter chemistry in maritime temperate forest ecosystems

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Determinants of soil organic matter chemistry in maritime temperate forest ecosystems. / Vancampenhout, K; De Vos, Bruno; Wouters, K; Van Calster, Hans; Swennen, R; Buurman, P; Deckers, Jozef.

In: Soil Biology & Biochemistry, Vol. 42, No. 2, 2010, p. 220-233.

Research output: Contribution to journalA1: Web of Science-articleResearchpeer-review

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Vancampenhout, K ; De Vos, Bruno ; Wouters, K ; Van Calster, Hans ; Swennen, R ; Buurman, P ; Deckers, Jozef. / Determinants of soil organic matter chemistry in maritime temperate forest ecosystems. In: Soil Biology & Biochemistry. 2010 ; Vol. 42, No. 2. pp. 220-233.

Bibtex

@article{04b0560458054a0eacd9737c27e6f867,
title = "Determinants of soil organic matter chemistry in maritime temperate forest ecosystems",
abstract = "While the influence of climate, vegetation, management and abiotic site factors on total carbon budgets and turn-over is intensively assessed, the influences of these ecosystem properties on the chemical complexity of soil organic matter (SOM) remains poorly understood. This study addresses the chemical composition of NaOH-extracted SOM from maritime temperate forest sites in Flanders (Belgium) by pyrolysis-GC/MS. The studied forests were chosen based on dominant tree species (Pinus sylvestris, Fagus sylvatica, Quercus robur and Populus spp.), soil texture and soil-moisture conditions. Differences in extractable-SOM pyrolysis products were correlated to site variables including dominant tree species, management of the woody biomass, site history, soil properties, total carbon stocks and indicators for microbial activity. Despite of a typical high intercorrelation between these site variables, the influence of the dominant tree species is prominent. The extractable-SOM composition is strongly correlated to litter quality and available nutrients. In nutrient-poor forests with low litter quality, the decomposition of relatively recalcitrant compounds (i.e. short and mid-chain alkanes/alkenes and aromatic compounds) appears hampered, causing a relative accumulation of these compounds in the soil. However, if substrate quality is favorable, no accumulations of recalcitrant compounds were observed, not even under high soil-moisture conditions. Former heathland vegetation still had a profound influence on extractable-SOM chemistry of young pine forests after a minimum of 60 years.",
author = "K Vancampenhout and {De Vos}, Bruno and K Wouters and {Van Calster}, Hans and R Swennen and P Buurman and Jozef Deckers",
note = "Publication Authorstring : Vancampenhout, K.; Van Calster, H.; De Vos; Wouters, K.; Swennen, R.; Buurman, P. Publication RefStringPartII : <i>Soil Biology & Biochemistry 42(2)</i>: 220-233",
year = "2010",
doi = "10.1016/j.soilbio.2009.10.020",
language = "English",
volume = "42",
pages = "220--233",
journal = "Soil Biology & Biochemistry",
issn = "0038-0717",
publisher = "Elsevier Limited",
number = "2",

}

RIS

TY - JOUR

T1 - Determinants of soil organic matter chemistry in maritime temperate forest ecosystems

AU - Vancampenhout, K

AU - De Vos, Bruno

AU - Wouters, K

AU - Van Calster, Hans

AU - Swennen, R

AU - Buurman, P

AU - Deckers, Jozef

N1 - Publication Authorstring : Vancampenhout, K.; Van Calster, H.; De Vos; Wouters, K.; Swennen, R.; Buurman, P. Publication RefStringPartII : <i>Soil Biology & Biochemistry 42(2)</i>: 220-233

PY - 2010

Y1 - 2010

N2 - While the influence of climate, vegetation, management and abiotic site factors on total carbon budgets and turn-over is intensively assessed, the influences of these ecosystem properties on the chemical complexity of soil organic matter (SOM) remains poorly understood. This study addresses the chemical composition of NaOH-extracted SOM from maritime temperate forest sites in Flanders (Belgium) by pyrolysis-GC/MS. The studied forests were chosen based on dominant tree species (Pinus sylvestris, Fagus sylvatica, Quercus robur and Populus spp.), soil texture and soil-moisture conditions. Differences in extractable-SOM pyrolysis products were correlated to site variables including dominant tree species, management of the woody biomass, site history, soil properties, total carbon stocks and indicators for microbial activity. Despite of a typical high intercorrelation between these site variables, the influence of the dominant tree species is prominent. The extractable-SOM composition is strongly correlated to litter quality and available nutrients. In nutrient-poor forests with low litter quality, the decomposition of relatively recalcitrant compounds (i.e. short and mid-chain alkanes/alkenes and aromatic compounds) appears hampered, causing a relative accumulation of these compounds in the soil. However, if substrate quality is favorable, no accumulations of recalcitrant compounds were observed, not even under high soil-moisture conditions. Former heathland vegetation still had a profound influence on extractable-SOM chemistry of young pine forests after a minimum of 60 years.

AB - While the influence of climate, vegetation, management and abiotic site factors on total carbon budgets and turn-over is intensively assessed, the influences of these ecosystem properties on the chemical complexity of soil organic matter (SOM) remains poorly understood. This study addresses the chemical composition of NaOH-extracted SOM from maritime temperate forest sites in Flanders (Belgium) by pyrolysis-GC/MS. The studied forests were chosen based on dominant tree species (Pinus sylvestris, Fagus sylvatica, Quercus robur and Populus spp.), soil texture and soil-moisture conditions. Differences in extractable-SOM pyrolysis products were correlated to site variables including dominant tree species, management of the woody biomass, site history, soil properties, total carbon stocks and indicators for microbial activity. Despite of a typical high intercorrelation between these site variables, the influence of the dominant tree species is prominent. The extractable-SOM composition is strongly correlated to litter quality and available nutrients. In nutrient-poor forests with low litter quality, the decomposition of relatively recalcitrant compounds (i.e. short and mid-chain alkanes/alkenes and aromatic compounds) appears hampered, causing a relative accumulation of these compounds in the soil. However, if substrate quality is favorable, no accumulations of recalcitrant compounds were observed, not even under high soil-moisture conditions. Former heathland vegetation still had a profound influence on extractable-SOM chemistry of young pine forests after a minimum of 60 years.

U2 - 10.1016/j.soilbio.2009.10.020

DO - 10.1016/j.soilbio.2009.10.020

M3 - A1: Web of Science-article

VL - 42

SP - 220

EP - 233

JO - Soil Biology & Biochemistry

JF - Soil Biology & Biochemistry

SN - 0038-0717

IS - 2

ER -

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