{"_buckets": {"deposit": "d8a02606-b106-4fde-8936-23c61b37a518"}, "_deposit": {"id": "12866", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "12866"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00012866"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Tbe carbon isotopic ratio in CO2 derived from soil organic matter decomposition"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2010-03", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "151", "bibliographicPageStart": "145", "bibliographicVolumeNumber": "21", "bibliographic_titles": [{"bibliographic_title": "\u540d\u53e4\u5c4b\u5927\u5b66\u52a0\u901f\u5668\u8cea\u91cf\u5206\u6790\u8a08\u696d\u7e3e\u5831\u544a\u66f8"}]}]}, "item_9_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "For precise understanding of the carbon cycle in a forest, it is important to estimate fractional contribution of root respiration and soil organic matter decomposition to forest floor CO2 efflux. In the conventional research using carbon isotope, the isotopic ratio in CO2 derived from soil organic matter decomposition (SOMD-CO2) is assumed to be equal to that of soil organic matter (SOM). However, this assumption is questionable. Therefore, to validate this assumption, we carried out a laboratory experiment to measure \u03b4^\u003c13\u003eC value in SOMD-CO2. The measurement results showed that in the surface soil, \u03b4^\u003c13\u003eC value in SOMD-CO2 is equal to that of SOM, but in the depth soil, \u03b4^\u003c13\u003eC value in SOMD-CO2 is larger than that of SOM. 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