Research field (4):
Human geoscience
, Forest science
, Biogeoscience
, Environmental dynamics
Research keywords (5):
human impact
, Paleoclimate
, Paleoecology
, vegetation history
, forest soil
Research theme for competitive and other funds (12):
2023 - 2028 Dispersal of modern homo sapiens in the Japanese archipelago during the last glacial
2024 - 2027 Ten thousand years of carbon emission and removal history in soil: An estimate by modelling surface carbon dynamics in mountainous regions of Japan
2023 - 2027 Reconstruction of historical vegetation changes in the quasi-alpine zone by pollen and plant opal analyses
2019 - 2023 International research on permafrost thawing and its impact on terrestrial environments since the last glacial periods using lacustrine sediments records
2018 - 2023 Structural changes in circumpolar boreal forests and climate change: analyses by stand reconstruction and palynological landscape reconstruction techniques
2016 - 2021 人工林に係る気候変動影響評価
2017 - 2020 Investigation of the formation and change of Japanese cedar in the Sea of Japan region based on methods of paleoforestry
2014 - 2017 Discharge of suspended solids and radiocesium from a forested watershed before and after line thinning
2013 - 2017 Long term prediction of Cesium 137 in forest soil
2013 - 2016 Human influences on formation and change in a Japanese cedar forest in the Akita region
2008 - 2010 Establishment of stomata analysis for high accuracy coniferous vegetation reconstruction
2001 - 2003 Evaluation of sediment and carbon storage functions in the formative processes of alluvial plains
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Papers (46):
Koji Shichi, Ted Goebel, Masami Izuho, Kenji Kashiwaya. Climate amelioration, abrupt vegetation recovery, and the dispersal of Homo sapiens in Baikal Siberia. Science Advances. 2023. 9. 38
Nobuhiko Shigyo, Koji Shichi, Kyoko Sugai, Suzuki Setsuko. Diversity profiling of soil bacterial and fungal communities in the Ogasawara (Bonin) Islands, Japan. Microbiology Resource Announcements. 2023
Tayoko Kubota, Akira Kagawa, Koji Shichi, Kenji Ono. The promotional effect of increased growth on transpiration exceeds the inhibitory effect of increased water use efficiency over the life history of Fagus crenata trees. Journal of Forest Research. 2022. 27. 5. 352-362
Shigehiro Ishizuka, Shoji Hashimoto, Shinji Kaneko, Kenji Tsuruta, Kimihiro Kida, Shuhei Aizawa, Toru Hashimoto, Eriko Ito, Mitsutoshi Umemura, Yoshiki Shinomiya, et al. Soil carbon stock changes due to afforestation in Japan by the paired sampling method on an equivalent mass basis. BIOGEOCHEMISTRY. 2021. 153. 3. 263-281
勝田長貴, 落合伸也, 志知幸治, 村上拓馬, 谷幸則. Records of Siberian permafrost thawing in lake sediments - Local changes on moisture of northwest Mongolia -. 雪氷研究大会講演要旨集(Web). 2018. 2018
Lake Baikal : a mirror in time and space for understanding global change processes : the 1998 BBD Baikal Symposium of the Japanese Association for Baikal International Research Program (JABIRP), Yokohama, November 5th-8th, 1998
Elsevier 2000 ISBN:0444504346
Lectures and oral presentations (16):
Estimation of carbon stock in Japanese forest soils with a correction for soil gravel fraction
(The Japanese Forest Society Congress 2018)
Which parts are radiocesium mainly distributed in forest soil?
(The Japanese Forest Society Congress 2016)
Effects of the treatment with 10% hydrofluoric acid solution on the radioceasiums in the needle and leaf litters
(The Japanese Forest Society Congress 2015)
Temporal change of air dose rate in forest ecosystem after Fukushima Nuclear Power Plant accident
(The Japanese Forest Society Congress 2015)
1992 - 1996 Nagoya University School of Agricultural Sciences
Professional career (1):
Doctor of Agriculture (Kyoto Prefectural University)
Work history (4):
2017/04 - 現在 Shikoku Research Center, Forestry and Forest Products Resarch Institute Senior researcher
2009/04 - 2017/03 Forestry and Forest Products Research Institute Department of Forest Soils Senior researcher
2001/04 - 2009/03 Tohoku Research Center, Forestry and Forest Products Research Institute Researcher / Senior researcher
1996/04 - 2001/03 Forestry and Forest Products Research Institute of Ministry of Agriculture, Forestry and Fisheries Forest Soil Division Researcher
Committee career (4):
2024/01 - 現在 日本花粉学会 庶務幹事長
2021/01 - 現在 Palynological Society of Japan Councilor
2021/01 - 2023/12 Japanese Journal of Palynology Editor in chief
2015/01 - 2020/12 Palynological Society of Japan Auditor
Association Membership(s) (6):
JAPANESE ASSOCIATION OF HISTORICAL BOTANY
, THE TOHOKU SOCIETY OF FOREST SCIENCE
, JAPAN ASSOCIATION FOR QUATERNARY RESEARCH
, THE JAPANESE FORESTRY SOCIETY
, PALYNOLOGICAL SOSIETY OF JAPAN
, THE JAPANESE SOCIETY OF FOREST ENVIRONMENT