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Linking variability in soil solution dissolved organic carbon to climate, soil type and vegetation type

Title data

Camino-Serrano, Marta ; Gielen, Bert ; Luyssaert, Sebastiaan ; Ciais, Philippe ; Vicca, Sara ; Guenet, Bertrand ; de Vos, Bruno ; Cools, Nathalie ; Ahrens, Bernhard ; Arain, M. Altaf ; Borken, Werner ; Clarke, Nicholas ; Clarkson, Beverly ; Cummins, Thomas ; Don, Axel ; Graf Pannatier, Elisabeth ; Laudon, Hjalmar ; Moore, Tim R. ; Nieminen, Tiina ; Nilsson, Mats B. ; Peichl, Matthias ; Schwendenmann, Luitgard ; Siemens, Jan ; Janssens, Ivan A.:
Linking variability in soil solution dissolved organic carbon to climate, soil type and vegetation type.
In: Global Biogeochemical Cycles. Vol. 28 (2014) Issue 5 . - pp. 497-509.
ISSN 1944-9224
DOI: https://doi.org/10.1002/2013GB004726

Abstract in another language

Lateral transport of carbon plays an important role in linking the carbon cycles of terrestrial and aquatic ecosystems. There is, however, a lack of information on the factors controlling one of the main C sources of this lateral flux i.e. the concentration of dissolved organic carbon (DOC) in soil solution across large spatial scales and under different soil, vegetation and climate conditions. We compiled a database on DOC in soil solution down to 80 cm and analyzed it with the aim, firstly, to quantify the differences in DOC concentrations among terrestrial ecosystems, climate zones, soil and vegetation types at global scale and, secondly, to identify potential determinants of the site-to-site variability of DOC concentration in soil solution across European broadleaved and coniferous forests. We found that DOC concentrations were 75 % lower in mineral than in organic soil and temperate sites showed higher DOC concentrations than boreal and tropical sites. The majority of the variation (R2=0.67-0.99) in DOC in mineral European forest soils correlates with NH4+, C/N, Al and Fe as the most important predictors. Overall, our results show that the magnitude (23% lower in broadleaved than in coniferous) and the controlling factors of DOC in soil solution differ between forest types, with site productivity being more important in broadleaved forests and water balance in coniferous stands.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER122280
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 07 Aug 2015 06:59
Last Modified: 13 Apr 2018 09:50
URI: https://eref.uni-bayreuth.de/id/eprint/17633