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Knowledge gaps in s...
Knowledge gaps in soil carbon and nitrogen interactions - From molecular to global scale
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- Gärdenäs, Annemieke (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mark och miljö,Department of Soil and Environment
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- Ågren, Göran (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för ekologi,Department of Ecology
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- Clarholm, Marianne (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig mykologi och patologi,Department of Forest Mycology and Pathology
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- Hallin, Sara (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mikrobiologi,Department of Microbiology
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- Kätterer, Thomas (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mark och miljö,Department of Soil and Environment
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- Nilsson, Ingvar (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mark och miljö,Department of Soil and Environment
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- Näsholm, Torgny (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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- Persson, Tryggve (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för ekologi,Department of Ecology
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- Stendahl, Johan (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mark och miljö,Department of Soil and Environment
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(creator_code:org_t)
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- ISBN 9789461731685
- Elsevier BV, 2011
- 2011
- English.
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In: Soil Biology and Biochemistry. - : Elsevier BV. - 0038-0717 .- 1879-3428. ; 43, s. 702-717
- Related links:
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https://res.slu.se/i...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The objective of this review was to identify, address and rank knowledge gaps in our understanding of five major soil C and N interactions across a range of scales – from molecular to global. The studied five soil C and N interactions are: i) N controls on the soil emissions of greenhouse gases, ii) plant utilisation of organic N, iii) impact of rhizosphere priming on C and N cycling, iv) impact of black N on the stabilisation of soil organic matter (SOM) and v) representation of fractions of SOM in simulation models. We ranked the identified knowledge gaps according to the importance we attached to them for functional descriptions of soil–climate interactions at the global scale, for instance in general circulation models (GCMs). Both the direct and indirect influences on soil–climate interactions were included. We found that the level of understanding declined as the scale increased from molecular to global for four of the five topics. By contrast, the knowledge level for SOM simulation models appeared to be highest when considered at the ecosystem scale. The largest discrepancy between knowledge level and importance was found at the global modelling scale. We concluded that a reliable quantification of greenhouse gas emissions at the ecosystem scale is of utmost importance for improving soil–climate representation in GCMs. We see as key questions the identification of the role of different N species for the temperature sensitivity of SOM decomposition rates and its consequences for plant available N
Subject headings
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Skogsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Forest Science (hsv//eng)
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap -- Miljö- och naturvårdsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences -- Environmental Sciences related to Agriculture and Land-use (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Jordbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Agricultural Science (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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