Studies for new mechanisms of CO2 emission by arctic soil microorganisms using natural radiocarbon

• Project/Area Number: 19310015
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Environmental dynamic analysis
• Research Institution: National Institute of Polar Research
• Principal Investigator: UCHIDA Masaki National Institute of Polar Research, 研究教育系, 助教授 (70370096)
• Co-Investigator(Kenkyū-buntansha): UCHIDA Masao 独立行政法人国立環境研究所, 化学環境研究領域, 主任研究員 (50344289)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥20,930,000 (Direct Cost: ¥16,100,000、Indirect Cost: ¥4,830,000); Fiscal Year 2008: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2007: ¥16,250,000 (Direct Cost: ¥12,500,000、Indirect Cost: ¥3,750,000)
• Keywords: 物質循環 / 環境変動 / 土壌圏現象 / 微生物 / 極域 / ノルウェー

Research Abstract

本研究では、北極氷河後退域における土壌内有機炭素の分解に関する温暖化の影響を調べるため、化石炭素(fossil organic carbon)の分布と分解に関する研究を行った。その結果、土壌表層の有機炭素の放射性炭素年代は、800-34,510年とfossil organic carbonの割合が多く、表層から得られた微生物の細胞膜脂質の14C年代も、640-17,070 yrs BPとなり、土壌微生物によるfossil organic carbonの分解を示唆する結果を得た。

Research Products

• [Journal Article] 気候変動と高緯度北極陸上生態系 -炭素循環過程を中心に- 総特集北半球高緯度海域における気候変動研究III (2008)
  • Author(s): 中坪孝之, 内田雅己, 村岡裕由, 野田響, 吉竹晋平, 内田昌男
  • Journal Title: 月刊地球 30 Pages: 240-250
• [Journal Article] 気候変動と高緯度北極土壌圏 土壌有機炭素リザーバーへの温暖化影響.総特集北半球高緯度海域における気候変動研究III (2008)
  • Author(s): 内田昌男, 内田雅己, 熊田英峰, 高橋善幸, 大塚俊之, 内海真生, 近藤美由紀, 中坪孝之, 柴田康行
  • Journal Title: 月刊地球 30 Pages: 216-229
• [Journal Article] Radiocarbon-based carbon source quantification of anomalous isotopic foraminifera in last glacial sediments in the western North Pacific, Geochemistry, Geophysics (2008)
  • Author(s): Uchida M., Ohkushi K., Kimoto K., Inagaki F., Ishimura T., Tsunogai U., Tuzino T. Shibata Y.
  • Journal Title: Geo- systems 9,Q04N14,doi:10.1029/2006 GC001558
  • Peer Reviewed
• [Journal Article] Ecosystem-scale carbon isotope ratio of respired CO2 in cool-temperate deciduous forests under Asian monsoon climate (2008)
  • Author(s): Uchida M., Kondo M., Mukai H., Murayama S.,Koizumi H., Ambe Y.
  • Journal Title: Journal of Geophysical Research 113, G02015, doi:10.1029 /2007JG000574
  • Peer Reviewed
• [Journal Article] Radiocarbon marine reser- voir ages in the Northwestern Pacific of Hokkaido island, Japan, durint the last deglacial period (2008)
  • Author(s): Ohkushi K., Uchida M., Aoki K., Yoneda M., Ikehara K., Minoshima K., Kawahata H., Tada R., Murayama M., Shibata Y.
  • Journal Title: Radiocarbon 49 Pages: 963-968
  • Peer Reviewed
• [Journal Article] Photosynthetic characteristics and biomass distribution of the dominant vascular plant species in a high-arctic tundra ecosystem, Ny-Alesund, Svalbard: implications to their role in ecosystem carbon gain (2008)
  • Author(s): Muraoka H., Noda H., Uchida M., Ohtsuka T., Koizumi H. Nakatsubo T.
  • Journal Title: Journal of Plant Research 121 Pages: 137-145
  • Peer Reviewed
• [Journal Article] Organic carbon and microbial biomass in a raised beach deposit under terrestrial vegetation in the High Arctic, Ny-Alesund, Svalbard (2008)
  • Author(s): Nakatsubo T., Yoshitake S., Uchida M., Uchida M., Shibata Y. Koizumi H.
  • Journal Title: Polar Research 27 Pages: 23-27
  • Peer Reviewed
• [Journal Article] 北極圏の蘚苔類・地衣類 (2008)
  • Author(s): 内田雅己
  • Journal Title: 生物の科学 遺伝 62 Pages: 39-42
• [Journal Article] 気候変動と高緯度北極陸上生態系-炭素循環過程を中心に- (2008)
  • Author(s): 中坪孝之
  • Journal Title: 月刊地球 30 Pages: 240-250
• [Journal Article] 気候変動と高緯度北極土壌圏-土壌有機炭素リザーバーヘの温暖化影響 (2008)
  • Author(s): 内田昌男
  • Journal Title: 月刊地球 30 Pages: 1-12
• [Journal Article] Photosynthetic characteristics and biomass distribution of the dominant vascular plant species in a high-arctic tundra ecosystem, Ny-Ålesund, Svalbard : implications to their role in ecosystem carbon gain. (2008)
  • Author(s): Muraoka Hiroyuki
  • Journal Title: Journal of Plant Research 121 Pages: 137-145
  • Peer Reviewed
• [Journal Article] 北極圏の蘇苔類・地衣類 (2008)
  • Author(s): 内田雅己
  • Journal Title: 遺伝 62 Pages: 39-42
• [Journal Article] Organic carbon and microbial biomass in a raised beach deposit under terrestrial vegetation in the High Arctic, Ny-Alesund, Svalbard. (2008)
  • Author(s): Nakatsubo, T.
  • Journal Title: Polar Research 27 Pages: 23-27
  • Peer Reviewed
• [Journal Article] Photosynthetic characteristics and biomass distribution of the dominant vascular plant species in a high-arctic tundra ecosystem, Ny-Alesund, Svalbard: implications to their role in ecosystem carbon gain. (2008)
  • Author(s): Muraoka, H.
  • Journal Title: Journal of Plant Research (印刷中)
  • Peer Reviewed
• [Journal Article] Radiocarbon-based carbon source quantification of anomalous isotopic for aminifera in last glacial sediments in the western North Pacific. (2008)
  • Author(s): Masao Uchida
  • Journal Title: Geochem. Geophys. Geosyst. 9
  • Peer Reviewed
• [Journal Article] Ecosystem-scale carbon isotope ratio of respired CO_2 in cool-temperate deciduous forests under Asian monsoon climate. (2008)
  • Author(s): Masao Uchida
  • Journal Title: J. Geophys. Res 27
  • Peer Reviewed
• [Journal Article] The importance of ultrafine particles as a contol on the distribution of organic carbon in Washington Margin and Cascadia Basin sediments. (2008)
  • Author(s): Coppola, L.
  • Journal Title: Chemical Geology 243 Pages: 142-156
  • Peer Reviewed
• [Journal Article] Radiocarbon marine reservoir ages in the Northwestern Pacific off Hokkaido island, Japan, durint the last deglacial period. (2008)
  • Author(s): Ohkushi, K.
  • Journal Title: Radiocarbon 49 Pages: 963-968
  • Peer Reviewed
• [Journal Article] Sphagnum peatland development at their southern climatic range in West Siberia: trends and peat accumulation patterns. (2008)
  • Author(s): Peregon, A.
  • Journal Title: Environmental Research Letters 2 Pages: 1-5
  • Peer Reviewed
• [Journal Article] Carbon and nitrogen limitation to microbial respiration and biomass in an acidic solfatara field (2007)
  • Author(s): Yoshitake S., Sasaki A., Uchida M., Funatsu Y., Nakatsubo T.
  • Journal Title: European Journal of Soil Biology 43 Pages: 1-13
  • Peer Reviewed
• [Journal Article] Carbon and nitrogen limitation of soil microbial respiration on a successional glacier foreland in the High Arctic: Ny-Alesund, Svalbard (2007)
  • Author(s): Yoshitake S., Uchida M., Koizumi H., Nakatsubo T.
  • Journal Title: Polar Research 26 Pages: 22-30
  • Peer Reviewed
• [Journal Article] Changes in the structure and heterogeneity of vegetation and microsite environments with the chronosequence of primary succession on a glacier foreland in Ellesmere Island, high arctic Canada (2007)
  • Author(s): Mori A., Osono, T., Uchida M., Kanda H.
  • Journal Title: Ecological Research 23 Pages: 363-370
  • NAID: 10021090417
  • Peer Reviewed
• [Journal Article] The importance of ultrafine particles as a control on the distribution of organic carbon in Washington Margin and Cascadia Basin sediments (2007)
  • Author(s): Copporal G. O., Andersson P., Eglinton T. I., Uchida M., Dickens A. F.
  • Journal Title: Chemical Geology 243 Pages: 142-156
  • Peer Reviewed
• [Journal Article] Sphagnum peatland development at their southern climatic range in West Siberia: trends and peat accumulation patterns (2007)
  • Author(s): Peregon A., Uchida M., Shibata Y.
  • Journal Title: Environmental Research Letters 2 045014 doi:10.1088/1748 9326/2/4/045014
  • Peer Reviewed
• [Journal Article] Changes in C3/C4 vegetation in the continental interior of the Central Himalayas associated with monsoonal paleoclimatic changes during the last 600 kyr (2007)
  • Author(s): Mampuku M., Yamanaka T., Uchida M., Fujii R., Maki T., and Sakai H.
  • Journal Title: Climate of the Past 3 Pages: 871-898
  • Peer Reviewed
• [Journal Article] Carbon and nitrogen limitation of soil microbial respirattion on a succe-ssional glacier foreland in the High Arctic: Ny-Alesund, Svalbard. (2007)
  • Author(s): Yoshitake, S.
  • Journal Title: Polar Research 26 Pages: 22-30
  • Peer Reviewed
• [Journal Article] Changes in C3/C4 vegetation in the continental interior of the Central Himalayas associated with monsoonal paleoclimatic changes during the last 600 kyr. (2007)
  • Author(s): Mampuku, M.
  • Journal Title: Climate of the Past 4 Pages: 1-9
  • Peer Reviewed
• [Presentation] Winter CO2 efflux from snow surface on the high Arctic glacier foreland (2009)
  • Author(s): 菅尚子,内田雅己,小泉博,神田啓史
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2009-05-19
• [Presentation] The impact of climatic warming on the ecosystem carbon cycle of a high Arctic glacier foreland II: long-term simulation (2009)
  • Author(s): 内田雅己,村岡裕由,神田啓史,中坪孝之
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2009-05-19
• [Presentation] Isotopic Signatures of Soil Organic Carbon in a Successional Glacier Foreland in Ny-Alesund, Svalbard (2009)
  • Author(s): 近藤美由紀,内田昌男,内田雅己,大塚俊之,吉竹晋平,小泉博,中坪孝之
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2009-05-19
• [Presentation] Contribution of biological soil crusts to the terrestrial carbon cycle in a High Arctic glacier foreland in Ny-Alesund, Svalbard (2009)
  • Author(s): 吉竹晋平,内田雅己,小泉博, 神田啓史,中坪孝之
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2009-05-19
• [Presentation] Evidence of Heterotrophic Microbial Decomposition of Soil Ancient Carbon in the Glacier Retreat, Svalvard, Norway Arctic (2009)
  • Author(s): 内田昌男,内田雅己,近藤美由紀,柴田康行
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2009-05-19
• [Presentation] Isotopic signatures of soil organic carbon and its relation to vegeta-tion in a successional glacier foreland in Ny-Alesund, Svalbard (2009)
  • Author(s): Kondo Miyuki
  • Organizer: The 10th Arctic Science Summit Week
  • Place of Presentation: Bergen, Norway
  • Year and Date: 2009-03-25
• [Presentation] 高緯度北極における非維管束植物の光合成生産におよぼす温度の影響 (2009)
  • Author(s): 内田雅己
  • Organizer: 日本植物生理学会第50回大会
  • Place of Presentation: 名古屋大学
  • Year and Date: 2009-03-23
• [Presentation] 北極ツンドラ生態系における厳冬期の土壌呼吸の行方 (2009)
  • Author(s): 菅尚子,内田雅己,小泉博,神田啓史
  • Organizer: 日本生態学会第56回大会
  • Place of Presentation: 岩手県立大学
  • Year and Date: 2009-03-19
• [Presentation] Isotopic Signatures of Soil Organic Carbon and its Relation to Vegetation in a Successional Glacier Foreland in Ny-Alesund, Svalbard (2009)
  • Author(s): Kondo M., Uchida M., Uchida M., Ohtsuka T., Yoshitake S., Kanda H., Koizumi H., Nakatsubo T.
  • Organizer: Arctic Science Summit Week (ASSW) 2009
  • Place of Presentation: Bergen, Norway
• [Presentation] 高緯度北極ニーオルスンの一次遷移初期における土壌クラストの光合成特性 (2008)
  • Author(s): 吉竹晋平,内田雅己,小泉博, 神田啓史, 中坪孝之
  • Organizer: 第31回極域生物シンポジウム
  • Place of Presentation: 国立極地研究所
  • Year and Date: 2008-12-04
• [Presentation] 高緯度北極エルズミア島における土壌微生物の基質利用特性に与える温度の影響 (2008)
  • Author(s): 内田雅己
  • Organizer: 第31回極域生物シンポジウム
  • Place of Presentation: 国立極地研究所
  • Year and Date: 2008-12-04
• [Presentation] Soil microbial activity and decomposition characteristics in a raised beach deposit under terrestrial vegetation on a high Arctic glacier foreland (2008)
  • Author(s): Uchida M., Uchida M., Nakatsubo T., Kanda H.
  • Organizer: SCAR/IASC IPY OPEN SCIENCE CONFERENCE
  • Place of Presentation: St. Petersburg Russia
  • Year and Date: 2008-07-09
• [Presentation] Soil microbial activity and decomposition characteristics in a raised beach deposit under terrestrial vegetation on a high Arctic glacier foreland. (2008)
  • Author(s): 内田雅己
  • Organizer: SCAR/IASC IPY OPEN SCIENCE CONFER ENCE
  • Place of Presentation: St. Petersburg, Russia
  • Year and Date: 2008-07-09
• [Presentation] Soil microbial respiration and decom- position characteristics in a raised beach deposit in the High Arctic (2008)
  • Author(s): 内田雅己,内田昌男,中坪孝之,神田啓史
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2008-05-30
• [Presentation] Radiocarbon based carbon source identification of soil respiration, Spitsbergen Island in the Norwegian high Arctic (2008)
  • Author(s): 内田昌男,内田雅己,高橋善之,中坪孝之
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2008-05-30
• [Presentation] Elemental and isotopic signatures of soil organic carbon in a successional glacier foreland in Ny-Alesund, Svalbard (2008)
  • Author(s): 近藤美由紀,内田昌男,内田雅己,吉竹晋平,大塚俊之,中坪孝之
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2008-05-30
• [Presentation] Soil microbial respiration and decomposition characteristics in a raised beach deposit in the High Arctic. (2008)
  • Author(s): 内田雅己
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2008-05-30
• [Presentation] Compound-specific radiocarbon based-carbon source apportionment of carbon dioxide emitted from the Arctic soil : Implication for novel mechanism of microbial fossil carbon decomposition (2008)
  • Author(s): 内田昌男
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 2008-05-30
• [Presentation] 高緯度北極陸域の海成堆積物層における二酸化炭素放出と微生物の有機物分解特性 (2008)
  • Author(s): 内田雅己,内田昌男,中坪孝之,神田啓史
  • Organizer: 日本生態学会第55回大会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2008-03-16
• [Presentation] 高緯度北極陸上生態系の炭素循環に対する温暖化の影響:モデルによる予測 (2008)
  • Author(s): 中坪孝之,村岡裕由,内田雅己
  • Organizer: 日本生態学会第55回大会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2008-03-16
• [Presentation] Hydrodynamic controls on the molecular-level composition of organic matter in sediments along Washington Margin and Cascadia Basin transect. (2008)
  • Author(s): Masao Uchida
  • Organizer: Ocean sciences meeting
  • Place of Presentation: Orlando, USA
  • Year and Date: 2008-03-08
• [Presentation] Microbial activity and decomposition characteristics in a raised beach deposit under terrestrial vegetation on the high Arctic deglaciated area (2008)
  • Author(s): Uchida Masaki
  • Organizer: First international symposium on the Arctic Research
  • Place of Presentation: 日本科学未来館
• [Presentation] Heterotrophic microbial decomposition of ancient carbon in the soil sequence after the glacier retreat, Svalbard, Norway Arctic (2008)
  • Author(s): Uchida Masao
  • Organizer: First international symposium on the Arctic Research
  • Place of Presentation: 日本科学未来館
• [Presentation] Elemental and isotopic signatures of soil organic carbon and its rela-tion to vegetation in a successional glacier foreland in Ny-Alesund, Svalbard (2008)
  • Author(s): Kondo Miyuki
  • Organizer: First international symposium on the Arctic Research
  • Place of Presentation: 日本科学未来館
• [Presentation] 高緯度北極ニーオルスンの海底堆積物層におけるCO2放出と微生物の分解特性 (2007)
  • Author(s): 内田雅己,内田昌男,中坪孝之,神田啓史
  • Organizer: 第30回極域生物シンポジウム
  • Place of Presentation: 国立極地研究所
  • Year and Date: 2007-11-15
• [Presentation] Studies on nutrient dynamics and cycling in the Antarctic terrestrial ecosystems (2007)
  • Author(s): 内田雅己,伊村智,工藤栄,神田啓史
  • Organizer: 南極研究観測シンポジウム
  • Place of Presentation: 国立極地研究所
  • Year and Date: 2007-06-15
• [Presentation] Winter CO2 emission from Oi layer on a High Arctic deglaciated terrain (2007)
  • Author(s): 内田雅己,菅尚子,吉竹晋平,中坪孝之,神田啓史
  • Organizer: 地球惑星科学連合2007年大会
  • Place of Presentation: 千葉県幕張メッセ
  • Year and Date: 2007-05-21
• [Presentation] 荒原生態系における土壌微生物に対する制限要因:高緯度北極氷河後退域における炭素・窒素制限 (2007)
  • Author(s): 吉竹晋平,内田雅己,中坪孝之,神田啓史
  • Organizer: 地球惑星科学連合2007年大会
  • Place of Presentation: 千葉県幕張メッセ
  • Year and Date: 2007-05-21
• [Presentation] プロジェクト計画紹介:温暖化に対する高緯度北極ツンドラ生態系の応答 (2007)
  • Author(s): 神田啓史,内田雅己,村岡裕由,吉竹晋平,野田響,内田昌男,大塚俊之,中坪孝之
  • Organizer: 地球惑星科学連合2007年大会
  • Place of Presentation: 千葉県幕張メッセ
  • Year and Date: 2007-05-21
• [Presentation] Winter CO2 emission from Oi layer on a High Arctic deglaciated terrain. (2007)
  • Author(s): Masaki Uchida
  • Organizer: 地球惑星科学連合2007年大会
  • Place of Presentation: 千葉県幕張メッセ
  • Year and Date: 2007-05-21
• [Presentation] Hydrodynamic Controls on the Age and Composition of Terrestrial Organic Matter Distributed over the Washington Margin: Implication from compound-specific radiocarbon analysis. (2007)
  • Author(s): Masao Uchida
  • Organizer: European geophysical union general assembly
  • Place of Presentation: Vienna, Austria
  • Year and Date: 2007-04-13
• [Book] 第5版実験化学講座20-2 環境化学 (2007)
  • Author(s): 内田昌男(分担執筆)
  • Total Pages: 519
  • Publisher: 丸善