The Use of carbon isotopes to identify the origin of soil-respired CO $_{2}$ in beech forest

Atarashi-Andoh, Mariko ; Koarashi, Jun ; Ishizuka, Shigehiro*; Saito, Takeshi*; Hirai, Keizo*

Soil organic matter (SOM) is the major reservoir of carbon in terrestrial ecosystems. Thus, to evaluate the CO $_{2}$ flux from SOM is an important step toward estimating the effect of environmental change on the terrestrial carbon cycles. In this study, we estimated the contribution of different soil CO $_{2}$ sources (SOM, litter and root) to CO $_{2}$ flux from the forest floor based on measures of carbon isotopic ratios in SOM, litter, soil-respired CO $_{2}$ and atmospheric CO $_{2}$ in a cool-temperate deciduous forest.

Language	:	English
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Meeting title	:	3rd International Symposium on Isotope Science and Engineering from Basics to Applications (ISE 2007)
Held date	:	2007/09
Location (city)	:	Nagoya
Location (country)	:	Japan
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Keywords	:	no keyword
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Article of JAEA R&D Review	:
Cooperating Institute	:	森林総合研究所

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Registration No. : BB20071049
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The Use of carbon isotopes to identify the origin of soil-respired CO in beech forest

The Use of carbon isotopes to identify the origin of soil-respired CO $_{2}$ in beech forest