Research theme for competitive and other funds (7):
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
2022 - 2025 Digital soil maps using deep learning with spectral reflectance
2014 - 2016 Spatial analysis of regional scale soil functions using soil inventory data of forest lands in Japan
2012 - 2015 Phosphorus availability in brown forest soils under different levels of volcanic ash contamination and responses of planted trees
2011 - 2013 Estimation of degree of volcanic ash additions for decision to distribution high functional soils in forest lands of Japan
里山低山帯に分布する褐色森林土およびその類縁土壌の化学特性の解明
Classification of Brown forest soils
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Papers (54):
Naoyuki Yamashita, Yasuhiro Ohnuki, Junko Iwahashi, Akihiro Imaya. National-scale mapping of soil-thickness probability in hilly and mountainous areas of Japan using legacy and modern soil survey. Geoderma. 2024
Jumpei Toriyama, Akihiro Imaya, Ayumi Tanaka Oda, Taiki Mori, Mao Hak. Patterns of δ13C and δ15N in soil profiles under seasonally dry evergreen and deciduous tropical forests. Plant and Soil. 2023. in press. 10.1007/s11104-023-06055-x
Toko Tanikawa, Hiroyuki Sase, Sei Fukushima, Yoshiaki Ito, Michiru Yamashita, Naoyuki Yamashita, Masato Kamisako, Akifumi Sugiyama, Akihiro Imaya, Takuya Ishida, et al. Sulfur accumulation in soil in a forested watershed historically exposed to air pollution in central Japan. Geoderma. 2022. 407. 115544-115544
飛田博順, 柴田銃江, 中静透, 齋藤智之, 壁谷大介, 星野大介, 八木橋勉, 中下留美子, 今矢明宏, 小野賢二, et al. Evaluation of N2 fixation in Alnus species 35 years after a massive landslide on Mt. Ontake in central Japan. 日本生態学会大会講演要旨(Web). 2021. 68th
2012/04 - Japanese Society of Soil Science and Plant Nutrition Soil Science and Plant Nutrition Award Volcanic ash additions control soil carbon accumulation inbrown forest soils in Japan
日本土壌肥料学会
, THE JAPANESE FORESTRY SOCIETY
, 日本ペドロジー学会
, 森林立地学会
, The Japanese Society of Forest Environment
, Japanese Society of Pedology
, Japanese Forestry Society