Article (Scientific journals)
Soil carbon dioxide efflux in pure and mixed stands of oak and beech
Jonard, M.; André, F.; Jonard, François et al.
2007In Annals of Forest Science, 64 (2), p. 141-150
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Keywords :
Abiotic factors; Mixed stand; Partitioning; Soil respiration; Species effect; Fagus
Abstract :
[en] Total Soil Respiration (TSR) was measured in pure and mixed stands of oak and beech and was partitioned into two contributions using the forest floor removal technique: Mineral Soil Respiration (MSR) and Forest Floor Respiration (FFR). In addition, laboratory incubations of the forest floor and the Ah horizon were performed to evaluate the heterotrophic respiration and the DOC production of these horizons. The relationships between soil temperature and the various soil respiration contributions in the three stands were compared using Q10 functions. In situ, significant differences (α = 0,05) between stands were observed for the R10 parameter (respiration rate at 10°C) of the TSR, MSR and FFR contributions, while only the temperature sensitivity (Q10) of TSR was significantly affected by stand composition. The effect of soil water content was only significant on MSR and followed different patterns according to stand composition. Under controlled conditions, the R10 of the forest floor and of the Ah horizon varied with stand composition and the Q10 of the forest floor decreased in the order: oak (2.27) > mixture (2.01) > beech (1.71). © INRA, EDP Sciences, 2007.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Environmental sciences & ecology
Author, co-author :
Jonard, M.;  Université Catholique de Louvain, Faculté d'Ingénierie Biologique, Agronomique et Environnementale, Unité des Eaux et Forêts, Croix du sud 2/009, 1348 Louvain-la-Neuve, Belgium
André, F.;  Université Catholique de Louvain, Faculté d'Ingénierie Biologique, Agronomique et Environnementale, Unité des Eaux et Forêts, Croix du sud 2/009, 1348 Louvain-la-Neuve, Belgium
Jonard, François  ;  Université de Liège - ULiège > Département de géographie > Systèmes d'information géographiques
Mouton, N.;  Université Catholique de Louvain, Faculté d'Ingénierie Biologique, Agronomique et Environnementale, Unité des Eaux et Forêts, Croix du sud 2/009, 1348 Louvain-la-Neuve, Belgium
Procès, P.;  Université Catholique de Louvain, Faculté d'Ingénierie Biologique, Agronomique et Environnementale, Unité des Eaux et Forêts, Croix du sud 2/009, 1348 Louvain-la-Neuve, Belgium
Ponette, Q.;  Université Catholique de Louvain, Faculté d'Ingénierie Biologique, Agronomique et Environnementale, Unité des Eaux et Forêts, Croix du sud 2/009, 1348 Louvain-la-Neuve, Belgium
Language :
English
Title :
Soil carbon dioxide efflux in pure and mixed stands of oak and beech
Publication date :
2007
Journal title :
Annals of Forest Science
ISSN :
1286-4560
eISSN :
1297-966X
Publisher :
Springer, Germany
Volume :
64
Issue :
2
Pages :
141-150
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 September 2021

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