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Fine-root turnover rates of European forests revisited: an analysis of data from sequential coring and ingrowth cores
- Brunner, I. (author)
- Bakker, M. R. (author)
-
- Björk, Robert G., 1974 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Institutionen för geovetenskaper,Department of Biological and Environmental Sciences,Department of Earth Sciences
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- Hirano, Y. (author)
- Lukac, M. (author)
- Aranda, X. (author)
- Børja, I. (author)
- Eldhuset, T. D. (author)
- Helmisaari, H. S. (author)
- Jourdan, C. (author)
- Konôpka, B. (author)
- López, B. C. (author)
- Miguel Pérez, C. (author)
- Ostonen, I. (author)
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- (creator_code:org_t)
- 2012-07-08
- 2013
- English.
- In: Plant and Soil. - : Springer Netherlands. - 0032-079X .- 1573-5036. ; 362:1-2, s. 357-372
- Journal article (peer-reviewed)
Abstract
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- Background and Aims Forest trees directly contribute to carbon cycling in forest soils through the turnover of their fine roots. In this study we aimed to calculate root turnover rates of common European forest tree species and to compare them with most frequently published values. Methods We compiled available European data and applied various turnover rate calculation methods to the resulting database. We used Decision Matrix and Maximum-Minimum formula as suggested in the literature. Results Mean turnover rates obtained by the combination of sequential coring and Decision Matrix were 0.86 yr−1 for Fagus sylvatica and 0.88 yr−1 for Picea abies when maximum biomass data were used for the calculation, and 1.11 yr−1 for both species when mean biomass data were used. Using mean biomass rather than maximum resulted in about 30 % higher values of root turnover. Using the Decision Matrix to calculate turnover rate doubled the rates when compared to the Maximum-Minimum formula. The Decision Matrix, however, makes use of more input information than the Maximum-Minimum formula. Conclusions We propose that calculations using the Decision Matrix with mean biomass give the most reliable estimates of root turnover rates in European forests and should preferentially be used in models and C reporting.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Biologi -- Botanik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Botany (hsv//eng)
Keyword
- Annual production
- Decision Matrix
- Fine-root turnover rates
- Ingrowth cores
- Maximum-Minimum formula
- Sequential coring
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Brunner, I.
- Bakker, M. R.
- Björk, Robert G. ...
- Hirano, Y.
- Lukac, M.
- Aranda, X.
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- Børja, I.
- Eldhuset, T. D.
- Helmisaari, H. S ...
- Jourdan, C.
- Konôpka, B.
- López, B. C.
- Miguel Pérez, C.
- Persson, Hans
- Ostonen, I.
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- NATURAL SCIENCES
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