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A continuous labelling approach to recover photosynthetically fixed carbon in plant tissue and rhizosphere organisms of young beech trees (Fagus sylvatica L.) using ¹³C depleted CO₂.
Plant Soil 323, (Sp. Iss. SI), 21-29 (2009)
A continuous labelling experiment using 13C-CO2 was set up in open-top chambers in order to follow fluxes of assimilates from the plant into the rhizosphere. Labelling was performed for one growing season by adding low amounts of CO2 depleted in 13C to the atmosphere of the open-top chambers, resulting in a difference of ∆ 13C 5 V-PDB compared to ambient conditions. The label was recovered in both plant parts and soil microbial communities, analysed via phospholipid fatty acid (PLFA) side chains. PLFA 18:2ω6,9 showed a significant incorporation of the 13C label in October, indicating that fungi utilized plant derived carbon. In bacterial PLFA no label incorporation was detected, probably due to a lower use of rhizodeposits or a preference to older carbon compounds as energy sources. This experimental setup represents a low-cost continuous labelling method for field experiments with only minor increase of CO2 concentrations.
Impact Factor
Scopus SNIP
Web of Science
Times Cited
Times Cited
Scopus
Cited By
Cited By
Altmetric
1.998
1.460
15
20
Anmerkungen
Besondere Publikation
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
PLFA; Rhizosphere; 13C depleted CO2; Continuous labelling; Ectomycorrhizal fungi; Beech; Open-top chamber
Sprache
Veröffentlichungsjahr
2009
HGF-Berichtsjahr
2009
ISSN (print) / ISBN
0032-079X
e-ISSN
1573-5036
Zeitschrift
Plant and Soil
Quellenangaben
Band: 323,
Heft: 1-2,
Seiten: 21-29,
Supplement: (Sp. Iss. SI)
Verlag
Springer
Begutachtungsstatus
Peer reviewed
POF Topic(s)
30202 - Environmental Health
30202 - Environmental Health
Forschungsfeld(er)
Environmental Sciences
Environmental Sciences
PSP-Element(e)
G-504490-001
G-504991-001
G-504991-001
Scopus ID
70350373878
Erfassungsdatum
2009-11-24