2023 - 2026 Latitudinal differences of methane emission from lakes -from tropical to temperate-
2021 - 2024 Estimation of sporadic CH4 emissions from a riparian wetland in responding to heave rain events
2019 - 2024 Effects of land conversion from tropical peat swamp forest to oil palm plantations on ecosystem functions and the atmospheric environment
2016 - 2024 持続可能なエネルギー作物生産技術の開発
2020 - 2023 Effects of small reservoirs in the Setouchi region on regional climate mitigation and greenhouse gas emissions
2020 - 2023 Clarification of forest maintaining mechanism and material cycling through water, and impacts from anthropogenic disturbances in peat swamp forests
2019 - 2023 東南アジア熱帯低湿地火災への多面的アプローチによる熱帯低湿地学の構築
2018 - 2022 Interactions between water cycle mechanisms and vegetation resilience in tropical rainforest ecosystems
2013 - 2022 Toward the Regeneration of Tropical Peatland Societies: Building International Research Network on Paludiculture and Sustainable Peatland Management
2018 - 2021 Is Tropical Peatland in SE Asia a huge CH4 source?
2018 - 2021 New insights into the methane emission processes from wetland ecosystems: A concerted activity of atmospheric chemistry and plant ecology researches
2016 - 2019 Clarification of Hydrological Process of Tropical Peatland under Large-Scale Development and Investigation of Water and Vegetation Management for Fire Prevention
2016 - 2019 Latitudinal pattern of methanotrophic food webs driving carbon and nitrogen cycling in lakes
2015 - 2018 Effects of rapid environmental changes on GHG dynamics in Tropical peatlands
2014 - 2018 Desingn of Rice Crop Insurance in Semi-arid Cameroon
2013 - 2017 Evaluation of the carbon balance of tropical peat ecosystems using a tower-flux network
2012 - 2017 Evaluation of the response of gas exchange between tropical rainforests and the atmosphere to the climate change based on the long-term tower observation.
2012 - 2016 Methanotrophic food webs and carbon recycling in a subtrophic lake
2012 - 2015 Biodiversity and phosphorous metabolism in watershed ecosystems: a blood vessel hypothesis
2012 - 2014 Effects of change from natural forest to plantations on greenhouse gas dynamics in Southeast Asia
2009 - 2010 Use of Tunable Diode Laser Spectrophotometer (TDLS) for the understanding of trace gas dynamics in ecosystems
2008 - 2009 Application of stable isotope measurements and microbiological analysis to elcidate methane dynamics in various soils
2006 - 2008 Prediction of flood and drought in ungauged mountainous basins by developing a hydrologic model for the bedrock-soil-vegetation-atmosphere continuum
Methane dynamics in forest, wetland and paddy field ecosystems
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Papers (80)：
Ken'ichi Osaka, Reina Nagata, Moegi Inoue, Masayuki Itoh, Shoko Hosoi-Tanabe, Hiroki Iwata. A simple, safe method for preserving dissolved methane in freshwater samples using benzalkonium chloride. Limnology and Oceanography: Methods. 2024
Takashi Hirano, Shinjiro Ohkubo, Masayuki Itoh, Hayato Tsuzuki, Ayaka Sakabe, Hidenori Takahashi, Kitso Kusin, Mitsuru Osaki. Large variation in carbon dioxide emissions from tropical peat swamp forests due to disturbances. Communications Earth & Environment. 2024
ITOH Masayuki, SHIRASUGI (KATAOKA) Naoko, SAKAMOTO Kaoru. Consideration for Sustainable Food Culture and the Environment (2) Environmental Issues with Food Production: from Intact Forests to Oil Palm Plantations in Tropical Southeast Asia. Journal of Cookery Science of Japan. 2023. 56. 6. 237-245
奥勇一郎, 伊藤雅之, 坂部綾香. Effects of small reservoirs in the Setouchi area on regional climate mitigation and greenhouse gas emissions. アグリバイオ. 2023. 7. 12. 1066-1070
Peng, M.-H, Liu, K.-L, Tsai, C.-Y, Shiodera, S, Haraguchi, T.F, Itoh, M, Tseng, S.-P, Yang, C.-C.S, Singham, G.V, Tay, J.-W, et al. Urbanization influences the trophic position, morphology, and colony structure of invasive African big-headed ants (Hymenoptera: Formicidae) in Taiwan. Myrmecological News. 2023. 33. 197-209
Seasonal variations and its controlling factors of dissolved methane concentrations in lakes and ponds from tropical to temperate region
(The 8th Asia Research Node Symposium on Humanosphere Science 2023)
Seasonal variations and its controlling factors of dissolved methane concentrations in lakes and ponds from tropical to temperate region
(JpGU 2023 2023)
