RIYA Shohei

Professional Career

2012.04 - 2013.03 : JSPS Research fellow (DC2) (TUAT)
2013.04 - 2014.03 : JSPS Research fellow (PD) (TUAT)
2014.04 - 2019.02 : Assistant Professor, Institute of Engineering, Tokyo University of Agriculture and Technology
2019.03 - present : Associate Professor, Institute of Engineering, Tokyo University of Agriculture and Technology

Academic Degrees

2013　Ph.D. in Engineering, Tokyo University of Agriculture and Technology

Research Interests

Biomass, Soil, Anaerobic digestion, Greenhouse gas, Nutrient

Publications

• Zhao, S., Shi, T., Terada, A., Riya, S., 2023, Evaluation of Pollution Level, Spatial Distribution, and Ecological Effects of Antimony in Soils of Mining Areas: A Review, International Journal of Environmental Research and Public Health (Int. J. Environ. Res. Public Health), 20, 242
• Riya, S., Imano, R., Li, J.N., Sun, H.F., Zhou, S., Hosomi, M. Trade-off evaluation using carbon dioxide equivalent and hazard index of a paddy soil with application of organic liquid fertilizer, Pedosphere. 32:928-932, 2022
• Zhao, S., Terada, A., Nakamura, K., Nakashima, M., Komai, T., Riya, S., Hosomi, M. and Hou, H. 2022. Significance of soil moisture on temperature dependence of Hg emission. Journal of Environmental Management 305, 114308.
• Zhou, Y.W., Xu, X., Yeerken, S., Li, L., Deng, M., Song, K., Riya, S., Wang, Q., Terada A. 2021. Nonlinear pattern and algal dual impact in N2O emission with increasing trophic levels in shallow lakes, Water Research 203: 117489
• Suenaga, T., Ota, T., Oba, K., Usui, K., Sako, T., Hori, T., Riya, S., Hosomi, M., Chandran, K., Lackner, S., Smets, B.F., Terada, A. 2021. Combination of 15N tracer and microbial analyses discloses N2O sink potential of anammox community. Environ. Sci. Technol. 55 (13) 9231-9242
• Zhou Y., Suenaga, T., Qi, C., Riya, S., Hosomi, M., Terada, A. Temperature and oxygen level determine N2O respiration activities of heterotrophic N2O-reducing bacteria: Biokinetic study. Biotechnol. Bioeng. 118 (3), 1330-1341,  doi.org/10.1002/bit.27654
• Yasuda, S., Toyoda, R., Agrawal, S., Suenaga, T., Riya, S., Hori, T., Lackner, S., Hosomi, M., Terada, A. 2020. Exploration and enrichment of methane-oxidizing bacteria derived from a rice paddy field emitting high-concentrated methane. J. Biosci. Bioeng., 130 (3), 311-318.
• Zhou, S., Sun, H., Bi, J., Zhang, J., Riya, S., Hosomi, M. 2020. Effect of water-saving irrigation on the N2O dynamics and the contribution of exogenous and endogenous nitrogen to N2O production in paddy soil using 15N tracing. Soil Tillage Res. 200, 104610.
• Zhou, Y., Song, K., Han, R., Riya, S., Xu, X., Senbati, Y., Geng, S., Ma, Y., Terada, A. 2020. Nonlinear response of methane release to increased trophic state levels coupled with microbial processes in shallow lakes. Environ. Pollut. 265(B) 114919.
• Li, J., Yoshi, S., Hashimoto, Y., Wang, L., Wang, F., Riya, S., Terada, A., Hosomi, M. 2000. Reducing geogenic arsenic leaching from excavated sedimentary soil using zero-valent iron amendment followed by dry magnetic separation: A case study. Sci. Total Environ., 724, 138203.
• Riya, S., Sun, H., Furuhata, H., Shimamura, M., Nasu, A., Imano, R., Zhou, S., Hosomi, M. 2020. Role of leaves in methane emission from sacred lotus (nelumbo nucifera). Aquatic Botany, 163, 103203
• Suenaga, T., Hori, T., Riya, S., Hosomi, M., Smets, B.F., Terada, A. Enrichment, isolation, and characterization of high-affinity N2O-reducing bacteria in a gas-permeable membrane reactor. Environmental Science and Technology (Environ. Sci. Technol.).53.20. 12101-1212112
• Li, J., Hashimoto, Y., Riya, S., Terada, A., Hou, H., Shibagaki, Y., Hosomi, M. Removal and immobilization of heavy metals in contaminated soils by chlorination and thermal treatment on an industrial-scale. Chemical Engineering Journal (Chem. Eng. J.), 359, 385-392, 2019.
• Song, K., Sawayanagi, K., Numano, T., Taniichi, Y., Kikuchi, T., Takeda, T., Kanou, H., Riya, S., Hori, T., Hosomi, M., Terada, A. High-rate partial nitrification of semiconductor wastewater: Implications of online monitoring and microbial community structure. Biochemical Engineering Journal (Biochem. Eng. J.). 143: 34-40, 2019
• Li, J., Kosugi, T., Riya, S., Hashimoto, Y., Hou, H., Terada, A., Hosomi, M. Investigations of water-extractability of As in excavated urban soils using sequential leaching tests: Effect of testing parameters. Journal of Environmental Management (J. Environ. Manage.). 217: 297-304, 2018.
• Riya, S., Suzuki, K., Meng, L., Zhou, S., Terada, A., Hosomi, M. The influence of the total solid content on the stability of dry-thermophilic anaerobic digestion of rice straw and pig manure. Waste Management (Waste Manage.). 76: 350-356, 2018.