フォロー
Keizo Hirai
Keizo Hirai
確認したメール アドレス: ffpri.affrc.go.jp
タイトル
引用先
引用先
Effects of freeze–thaw cycles resulting from winter climate change on soil nitrogen cycling in ten temperate forest ecosystems throughout the Japanese archipelago
R Urakawa, H Shibata, M Kuroiwa, Y Inagaki, R Tateno, T Hishi, ...
Soil Biology and Biochemistry 74, 82-94, 2014
1192014
Transport rates of surface materials on steep forested slopes induced by raindrop splash erosion
S Miura, K Hirai, T Yamada
Journal of Forest Research 7 (4), 201-211, 2002
1142002
Sustainable forest biomass: A review of current residue harvesting guidelines
BD Titus, K Brown, HS Helmisaari, E Vanguelova, I Stupak, A Evans, ...
Energy, Sustainability and Society 11, 1-32, 2021
982021
Factors contributing to soil nitrogen mineralization and nitrification rates of forest soils in the Japanese archipelago
R Urakawa, N Ohte, H Shibata, K Isobe, R Tateno, T Oda, T Hishi, ...
Forest Ecology and Management 361, 382-396, 2016
902016
Fate of organic carbon during decomposition of different litter types in Japan
K Ono, S Hiradate, S Morita, K Hirai
Biogeochemistry 112, 7-21, 2013
832013
Humification processes of needle litters on forest floors in Japanese cedar (Cryptomeria japonica) and Hinoki cypress (Chamaecyparis obtusa) plantations in Japan
K Ono, S Hiradate, S Morita, K Ohse, K Hirai
Plant and soil 338, 171-181, 2011
832011
Organic carbon accumulation processes on a forest floor during an early humification stage in a temperate deciduous forest in Japan: Evaluations of chemical compositional …
K Ono, K Hirai, S Morita, K Ohse, S Hiradate
Geoderma 151 (3-4), 351-356, 2009
592009
Quantitative aspects of heterogeneity in soil organic matter dynamics in a cool‐temperate Japanese beech forest: a radiocarbon‐based approach
JUN Koarashi, M ATARASHI‐ANDOH, S Ishizuka, S Miura, T Saito, ...
Global Change Biology 15 (3), 631-642, 2009
582009
Seasonal patterns and control factors of CO2 effluxes from surface litter, soil organic carbon, and root-derived carbon estimated using radiocarbon signatures
M Atarashi-Andoh, J Koarashi, S Ishizuka, K Hirai
Agricultural and forest meteorology 152, 149-158, 2012
572012
Biogeochemical nitrogen properties of forest soils in the Japanese archipelago
R Urakawa, N Ohte, H Shibata, R Tateno, T Hishi, K Fukushima, Y Inagaki, ...
Ecol Res 30 (1), 1-2, 2015
502015
Topographic variation in heterotrophic and autotrophic soil respiration in a tropical seasonal forest in Thailand
M Takahashi, K Hirai, P Limtong, C Leaungvutivirog, S Panuthai, ...
Soil Science and Plant Nutrition 57 (3), 452-465, 2011
482011
Carbon stocks of dead wood, litter, and soil in the forest sector of Japan: general description of the National Forest Soil Carbon Inventory.
S Ugawa, M Takahashi, K Morisada, M Takeuchi, Y Matsuura, ...
442012
Floor Cover Percentage Determines Splash Erosion in Chamaecyparis obtusa Forests
S Miura, S Ugawa, S Yoshinaga, TY Keizo Hirai
Soil Science Society of America Journal 79 (6), 1782-1791, 2015
392015
Effects of forest type and environmental factors on the soil organic carbon pool and its density fractions in a seasonally dry tropical forest
J Toriyama, M Hak, A Imaya, K Hirai, Y Kiyono
Forest Ecology and Management 335, 147-155, 2015
392015
Carbon isotopes of water‐extractable organic carbon in a depth profile of forest soil imply a dynamic relationship with soil carbon
T Nakanishi, M Atarashi‐Andoh, J Koarashi, Y Saito‐Kokubu, K Hirai
European Journal of Soil Science 63 (4), 495-500, 2012
392012
Potassium fertilisation reduces radiocesium uptake by Japanese cypress seedlings grown in a stand contaminated by the Fukushima Daiichi nuclear accident
M Komatsu, K Hirai, J Nagakura, K Noguchi
Scientific reports 7 (1), 15612, 2017
382017
Relationship between the activity concentration of 137Cs in the growing shoots of Quercus serrata and soil 137Cs, exchangeable cations, and pH in Fukushima, Japan
T Kanasashi, S Miura, K Hirai, J Nagakura, H Itô
Journal of Environmental Radioactivity 220, 106276, 2020
332020
Effects of vegetation and cultivation on δ13C values of soil organic carbon and estimation of its turnover in Asian tropics: A case study in Thailand
T Yoneyama, H Okada, P Chongpraditnum, S Ando, P Prasertsak, K Hirai
Soil science and plant nutrition 52 (1), 95-102, 2006
272006
Hitachi Chemical Tech
K Hirai, H Ohtsuki, T Ashizawa, Y Kurata
Rep. No. 35 (2000) 17, 2000
262000
Soil respiration in different ages of teak plantations in Thailand
M Takahashi, K Hirai, P Limtong, C Leaungvutivirog, S Suksawang, ...
Japan Agricultural Research Quarterly: JARQ 43 (4), 337-343, 2009
252009
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論文 1–20