森林総合研究所ホーム

        土壌資源研究室

土壌資源研究室では、土壌が持つ様々な性質や機能を資源と捉え、それらを広域で評価していくための研究を行っています。


森林土壌への炭素蓄積量の推定例
スタッフの紹介
研 究 内 容
主なプロジェクト
最近の業績
リンク
 
 
 
 
 
 
立地環境研究領域
- 土壌資源研究室
- 土壌特性研究室
- 養分動態研究室



スタッフ
今矢 明宏 室長
橋本 昌司 主任研究員
山下 尚之 主任研究員
相澤 州平 主任研究員
坂下 渉 主任研究員(震災復興・放射性物質研究拠点との併任)
川西 あゆみ 非常勤助手
 
Topへ戻る

研究概要
森林土壌のもつ様々な機能を推定し、その資源的評価を行うことを目的とした研究を行っています。現在は、土壌の炭素貯留に関わる機能を評価するための基礎的研究と土壌の諸性質を広域評価するための方法について研究しています。ここで得られる成果は、より良い森林を育成し、管理していくための貴重な情報となります。
Topへ戻る

担当している主な研究課題(一部を分担しているものを含む)
森林土壌の炭素蓄積量報告のための情報整備
ネットゼロエミッションの達成に必要な森林吸収源の評価
マイナスエミッションに向けた土壌メタン吸収の広域算定手法の開発
地上観測およびデータ駆動型モデルを用いた森林土壌GHG交換量の評価に関する研究
土壌炭素のターンオーバー速度に関する陸域モデルの改良
詳細な水移動・微生物プロセスと機械学習の統合によるN2O排出予測の高度化
微地形に起因する環境の違いを組み込んだ土壌温室効果ガスフラックスの高解像度推定
日本の山地の複雑地形に最適化した先進的な土壌サンプリング
機械学習の応用による土層厚推定の精緻化と広域マッピング
森林放射性セシウム動態データベースの構築とマルチモデルによる将来予測
森林内における放射性物質実態把握調査事業
近接・衛星センシングと深層学習を駆使した土壌特性マップ群の創出
山地の表層炭素動態の包括的モデリングによる過去1万年の土壌炭素吸排出史の解明
世界の森林土地利用変化が引き起こす土壌炭素蓄積量の時空間変化
森林生態系内に蓄積した大気汚染レガシーの極端気象による可動化
渇水緩和・洪水調節の視点からみたブナ林土壌の保水機能の二面的定量評価
管理優先度の高い森林の抽出と管理技術の開発
Topへ戻る

最近の業績
論文
2024
  • Kawanishi, A., Sakai, Y., Ishizuka, S. et al. (2024) Increased deadwood carbon stocks through planted forestry practices: Insights from a Forest Inventory Survey in Japan. Carbon Management, 15(1): Article 2315087, https://doi.org/10.1016/j.jenvrad.2021.106721
  • Yamashita, N., Ohnuki, Y., Iwahashi, J., Imaya, A. (2024) National-scale mapping of soil-thickness probability in hilly and mountainous areas of Japan using legacy and modern soil survey. Geoderma 446, 116896, https://doi.org/10.1016/j.geoderma.2024.116896
  • Sakashita, W., Imamura, N., Sakata, T. et al. (2024) A pilot study of radiocesium activity concentration in the stemflow of deciduous broad-leaved trees: Its relationship with leaves and outer bark as of 2022-2023. Journal of Environmental Radioactivity, 273:107385 https://doi.org/10.1016/j.jenvrad.2024.107385
  • Ohmae, Y., Sakashita, W., Sakata, T. et al. (2024) Effect of litter removal five years after the Fukushima accident on 137Cs uptake by Japanese cedar. Journal of Environmental Radioactivity, 273:107390 https://doi.org/10.1016/j.jenvrad.2024.107390
2023
  • Hashimoto, S., Ito, A., Nishina, K., (2023) Divergent data-driven estimates of global soil respiration. Communications Earth & Environment、4:Article number: 460 https://doi.org/10.1016/j.jenvrad.2021.106721
  • Tsuneoka, R., Yokoyama, Y., Sakashita, W. et al. (2023) Radiocarbon dating of wetland sediment from the Konsen Plateau, eastern Hokkaido, Japan. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 536: 67-71 https://doi.org/10.1016/j.nimb.2022.12.021
  • Nishina, K., Hayashi, S., Hashimoto, S., Matsuura, T. (2023) Estimation of spatio-temporal distribution of 137Cs concentrations in litter layer of forest ecosystems in Fukushima using FoRothCs model. Environmental Pollution. 121605-121605 https://doi.org/10.1016/j.envpol.2023.121605
  • 鳥山淳平, 橋本昌司 (2023) 少子高齢化社会における九州地方の人工林の分布と生育環境 −人口シナリオと限界自治体指標による推定− 九州森林研究 76 117-120
  • Makipaa, Raisa et al. (2023) How does management affect soil C sequestration and greenhouse gas fluxes in boreal and temperate forests? - A review . Forest Ecology and Management 120637 https://doi.org/10.1016/j.foreco.2022.120637
2022
  • Yamashita, N., Sase, H., Kurokawa, J. (2022) Assessing critical loads and exceedances for acidification and eutrophication in the forests of East and Southeast Asia: A comparison with EANET monitoring data. Science of the Total Environment, 851:158054, https://doi.org/10.1016/j.scitotenv.2022.158054
  • Manaka, T., Komatsu, M., Sakashita, W., Imamura, N., Hashimoto, S. et al. (2022) Ten-year trends in vertical distribution of radiocesium in Fukushima forest soils, Japan. Journal of Environmental Radioactivity, 251-252:106967, https://doi.org/10.1016/j.jenvrad.2022.106967
  • De Marco, A. .. Hashimoto, S., et al. (2022) Strategic roadmap to assess forest vulnerability under air pollution and climate change. Global Change Biology, 28:5062-5085. https://doi.org/10.1111/gcb.16278
  • Yukiko Abe, Naishen Liang, Munemasa Teramoto, Jun Koarashi, Mariko Atarashi-Andoh, Shoji Hashimoto, Takeshi Tange (2022) Spatial variation in soil respiration rate is controlled by the content of particulate organic materials in the volcanic ash soil under a Cryptomeria japonica plantation. Geoderma Regional. e00529. https://doi.org/10.1016/j.geodrs.2022.e00529
  • Keiko Tagami, Shoji Hashimoto, Masashi Kusakabe, Yuichi Onda, Brenda Howard, Sergey Fesenko, Gerhard Prohl, Andra-Rada Harbottle, Alexander Ulanowski (2022) Pre- and post-accident environmental transfer of radionuclides in Japan: lessons learned in the IAEA MODARIA II programme. Journal of Radiological Protection 42(2) 020509-020509. https://doi.org/10.1088/1361-6498/ac670c
2021
  • Hashimoto, S., Tanaka, T., Komatsu, M. et al. (2021) Dynamics of radiocaesium within forests in Fukushima?results and analysis of a model inter-comparison. Journal of Environmental Radioactivity, 238-239:106721 https://doi.org/10.1016/j.jenvrad.2021.106721
  • Ishizuka, S., Hashimoto, S., Kaneko, S. et al. (2021) Soil carbon stock changes due to afforestation in Japan by the paired sampling method on an equivalent mass basis. Biogeochemistry, 153:263-281 https://doi.org/10.1007/s10533-021-00786-8
  • Sakashita, W., Miura, S., Nagakura, J. et al. (2021) Seasonal stability of 137Cs in coppiced Quercus serrata current-year branches: toward the estimation of trunk 137Cs activity concentrations without felling. Ecological Indicators, 133:108361 https://doi.org/10.1016/j.ecolind.2021.108361
  • Yamashita, N., Ishizuka, S., Hashimoto, S. et al. (2022), National-scale 3D mapping of soil organic carbon in a Japanese forest considering microtopography and tephra deposition, Geoderma, 406:115534 https://doi.org/10.1016/j.geoderma.2021.115534
2020
  • Osone, Y., Shoji Hashimoto, et al. (2020) Plant trait database for Cryptomeria japonica and Chamaecyparis obtusa (SugiHinoki DB): Their physiology, morphology, anatomy and biochemistry. Ecological Research, 35:274-275.
  • Koga, N., Shimoda, S., Shirato, Y., Kusaba, T., Shima, T., Niimi, H., Yamane, T., Wakabayashi, K., Niwa, K., Kohyama, K., Obara, H., Takata, Y., Kanda, T., Inoue, H., Ishizuka, S., Kaneko, S., Tsuruta, K., Hashimoto, S., Shinomiya, Y., Aizawa, S., Ito, E., Hashimoto, T., Morishita, T., Noguchi, K., Ono, K., Katayanagi, N., Atsumi, K. (2020) Assessing changes in soil carbon stocks after land use conversion from forest land to agricultural land in Japan. Geoderma, 377(1): 114487.
  • Hashimoto, S.,Naohiro Imamura, Shinji Kaneko, Masabumi Komatsu, Toshiya Matsuura, Kazuya Nishina, Shinta Ohashi (2020) New predictions of 137Cs dynamics in forests after the Fukushima nuclear accident. Scientific Reports, 2020:10:29
  • Sakashita, W.,Miura, S., Akama, A. et al. (2020) Assessment of vertical radiocesium transfer process in soil via roots. Journal of Environmental Radioactivity, 222:106369 https://doi.org/10.1016/j.jenvrad.2020.106369
2019
  • Komatsu, M., K. Nishina, S. Hashimoto (2019) Extensive analysis of radiocesium concentrations in wild mushrooms in eastern Japan affected by the Fukushima nuclear accident: Use of open accessible monitoring data. Environmental Pollution, 255(2): 113236.
  • Boris Tupek, Samuli Launiainen, Mikko Peltoniemi, Risto Sievanen, Jari Perttunen, Liisa Kulmala Timo Penttila, Antti‐Jussi Lindroos, Shoji Hashimoto, Aleksi Lehtonen (2019) Evaluating CENTURY and Yasso soil carbon models for CO2 emissions and organic carbon stocks of boreal forest soil with Bayesian multi‐model inference. European Journal of Soil Science, 2019:1-12.
  • Inomata, Y. Ohizumi, T. Saito, T., Morohashi, M. Yamashita, N. et al. (2019) Estimating transboundary transported anthropogenic sulfate deposition in Japan using the sulfur isotopic ratio, Science of Total Environment, 691, 779-788.
2018
  • Mori T et al. 2018. Reconsidering the phosphorus limitation of soil microbial activity in tropical forests. Functional Ecology, 32:1145-1154.
  • Mori T et al. 2018. Effects of nitrogen and phosphorus fertilization on the ratio of activities of carbon-acquiring to nitrogen-acquiring enzymes in a primary lowland tropical rainforest in Borneo, Malaysia. Soil Science and Plant Nutrition, 64:554-557.
  • Kenji Tsuruta, Tomonori Kume, Hikaru Komatsu, Kyoichi Otsuki. Effects of soil water decline on diurnal and seasonal variations in sap flux density for differently aged Japanese cypress (Chamaecyparis obtusa) trees. Annals of Forest Research, 61:5-18.
2017
  • Imamura, N., M. Komatsu, S. Ohashi, S. Hashimoto, T. Kajimoto, S. Kaneko, T. Takano (2017) Temporal changes in the radiocesium distribution in forests over the five years after the Fukushima Daiichi Nuclear Power Plant accident. Scientific Reports, 7,8179. doi:10.1038/s41598-017-08261-x (Open access)
  • Hashimoto, S., K. Nanko, B. Tupek, A. Lehtonen (2017) Data-mining analysis of the global distribution of soil carbon in observational databases and Earth system models. Geoscientific Model Development, 10, 1321-1337. doi:10.5194/gmd-10-1321-2017 (Open access)
  • Nanko, K., S. Hashimoto, S. Miura, S. Ishizuka, Y. Sakai, D.F. Levia, S. Ugawa, T. Nishizono, F. Kitahara, Y. Osone S. Kaneko (2017) Assessment of soil group, site and climatic effects on soil organic carbon stocks of topsoil in Japanese forests. European Journal of Soil Science, 68, 547-558. doi:10.1111/ejss.12444
  • Sase H., Yamashita N., Luangjame J., Garivait H., Kietvuttinon B., Visaratana T., Kamisako M., Kobayashi R., Ohta S., Shindo J., Hayashi K., Toda H., Matsuda K. (2017) Alkalinization and acidification of stream water with changes in atmospheric deposition in a tropical dry evergreen forest of northeastern Thailand. Hydrologial Processes 31(4): 836-846. doi:10.1002/hyp.11062
2016
  • Katayanagi N., Fumoto T., Hayano M., Takata Y., Kuwagata T., Shirato Y., Sawano S., Kajiura M., Sudo S., Ishigooka Y., Yagi K. (2016) Development of a method for estimating total CH4 emission from rice paddies in Japan using the DNDC-Rice model. Science of The Total Environment, 547, 429-440 リンク
  • Yamashita N., Sase H., Ohizumi T., Kurokawa J., Ohara T., Morino Y., Kuribayashi M., Ohta S., Kaneko S., Hayashi K., Fukuhara H., Hakamata T. (2016) Mapping the relative risk of surface water acidification based on cumulative acid deposition over the past 25 years in Japan. Journal of Forest Research, 21, 115-124
  • Tupek, B., C. A. Ortiz, S. Hashimoto, J. Stendahl, J. Dahlgren, E. Karltun, A. Lehtonen (2016) Underestimation of boreal soil carbon stocks by mathematical soil carbon models linked to soil nutrient status. Biogeosciences, 13, 4439-4459. doi:10.5194/bg-13-4439-2016
2015
  • 石塚成宏、稲垣昌宏、釣田竜也、今矢明宏、浅野志穂(2015)2011年新燃岳噴火による火山噴出物および土壌の諸性質の経時変化について、森林立地、57(1)、19-31
  • Kazuhiko Terazawa, Kenji Yamada, Yasuyuki Ohno, Tadashi Sakata, Shigehiro Ishizuka(2015)Spatial and temporal variability in methane emissions from tree stems of Fraxinus mandshurica in a cool-temperate floodplain forest, Biogeochemistry, 123, 349-362.
  • Hashimoto, S., N. Carvalhais, A. Ito, M. Migliavacca, K. Nishina, and M. Reichstein (2015) Global spatiotemporal distribution of soil respiration modeled using a global database. Biogeosciences, 12, 4121-4132.doi: 10.5194/bg-12-4121-2015
2014
  • Ishizuka, S., K. Kawamuro, A. Imaya, A. Torii and K. Morisada (2014) Latitudinal gradient of C4 grass contribution to Black Soil organic carbon and correlation between δ13C and the melanic index in Japanese forest stands, Biogeochemistry, 118, 339-355. doi:10.1007/s10533-013-9936-z
  • 大貫靖浩、吉永秀一郎、釣田竜也、荒木誠、伊藤江利子、志知幸治、松浦陽次郎、小野賢二、岡本透(2014)桂試験地における土層厚の分布と土壌物理特性. 森林総合研究所研究報告 13, 43-59. PDF(オープンアクセス)
  • 志知幸治(2014)5講:地史的・歴史的変遷―森はどのように変化してきたのか?. 日本森林学会監修 教養としての森林学. 文永堂出版, 東京, 47-53.
  • Nanko, K., S. Ugawa, S. Hashimoto, A. Imaya, M. Kobayashi et al. (2014) A pedotransfer function for estimating bulk density of forest soil in Japan affected by volcanic ash. Geoderma, 213: 36-45. doi: 10.1016/j.geoderma.2013.07.025
  • Tokida T., NakajimaY., Hayashi K., Usui Y., Katayanagi N., Kajiura M., Nakamura H., Hasegawa T. (2014) Fully automated, high-throughput instrumentation for measuring the δ13C value of methane and application of the instrumentation to rice paddy samples. Rapid Communications in Mass Spectrometry, 28, 2315-2324 リンク
Topへ戻る

リンク
森林土壌デジタルマップ
森林土壌博物館
森林土壌の炭素蓄積量調査--林野庁森林吸収源インベントリ情報整備事業
Topへ戻る
領域のページへ戻る