globalchange  > 气候变化事实与影响
DOI: 10.1002/2013GB004726
Scopus ID: 2-s2.0-84902333005
Linking variability in soil solution dissolved organic carbon to climate, soil type, and vegetation type
Author: Camino-Serrano M; , Gielen B; , Luyssaert S; , Ciais P; , Vicca S; , Guenet B; , Vos B; D; , Cools N; , Ahrens B; , Altaf Arain M; , Borken W; , Clarke N; , Clarkson B; , Cummins T; , Don A; , Pannatier E; G; , Laudon H; , Moore T; , Nieminen T; M; , Nilsson M; B; , Peichl M; , Schwendenmann L; , Siemens J; , Janssens I
Source Publication: Global Biogeochemical Cycles
ISSN: 8866236
Publishing Year: 2014
Volume: 28, Issue:5
pages begin: 497
pages end: 509
Language: 英语
Keyword: Al-Fe ; carbon cycle ; forest type ; mineral soil ; nitrogen ; organic soil
Scopus Keyword: Aluminum ; Carbon ; Minerals ; Nitrogen ; Soil moisture ; Stream flow ; Vegetation ; Al-Fe ; Carbon cycles ; Forest type ; Mineral soils ; Organic soil ; Forestry ; concentration (composition) ; dissolved organic carbon ; forest soil ; soil carbon ; soil organic matter ; soil type ; vegetation type ; Europe
English Abstract: 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, first, to quantify the differences in DOC concentrations among terrestrial ecosystems, climate zones, soil, and vegetation types at global scale and second, 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 concentrations 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 forests) 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. Key Points Soil DOC concentration is higher under coniferous forests than under broadleaves N, Fe and Al are important factors for DOC concentration variability in forests ©2014. American Geophysical Union. All Rights Reserved.
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Appears in Collections:气候变化事实与影响

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Affiliation: Research Group of Plant and Vegetation Ecology, Department of Biology, University of Antwerp, Belgium; Laboratoire des Sciences du Climat et de l'Environnement, Gif-sur-Yvette, France; Research Institute for Nature and Forest, Geraardsbergen, Belgium; Department of Biogeochemical Integration, Max-Planck-Institute for Biogeochemistry, Jena, Germany; School of Geography and Earth Sciences, McMaster University, Hamilton ON, Canada; Department of Soil Ecology, University of Bayreuth, Bayreuth, Germany; Norwegian Forest and Landscape Institute, Ås, Norway; Landcare Research, Hamilton, New Zealand; UCD Soil Science, UCD School of Agriculture and Food Science, University College Dublin, I-Dublin, Ireland; Thünen Institute of Climate-Smart Agriculture, Braunschweig, Germany; Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland; Department of Forest Ecology and Management, Swedish University of Agricultural Sciences, Umeå, Sweden; Department of Geography, McGill University, Montreal, Canada; Finnish Forest Research Institute, Vantaa, Finland; School of Environment, University of Auckland, Auckland, New Zealand; Institute of Crop Science and Resource Conservation-Soil Science and Soil Ecology, University of Bonn, Bonn, Germany

Recommended Citation:
Camino-Serrano M,, Gielen B,, Luyssaert S,et al. Linking variability in soil solution dissolved organic carbon to climate, soil type, and vegetation type[J]. Global Biogeochemical Cycles,2014-01-01,28(5)
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