General Information
Name: Yan Xiaoyuan
Title: Professor
Work Email: yanxy@issas.ac.cn
Work Phone: 025-86881590
Research Fields
Carbon and nitrogen biogeochemistry
Greenhouse gas emission and mitigation
Non-point source pollution
Education Background
1995 – 1998, PhD., Soil Science, Institute of Soil Science, Chinese Academy of Sciences (ISSCAS), Nanjing, China
1992 – 1995, Master, Soil Science, ISSCAS, Nanjing, China
1988 – 1992, Bachelor, Soil Science and Plant Nutrition, Hunan Agriculture University, Changsha, China
Professional Experience
2006 ― Present, Research Professor, ISSCAS, Nanjing, China
2001― 2006, Research Scientist, Frontier Research Institute for Global Change, Yokohama, Japan
1999― 2001, Postdoctoral Fellow, Japan International Research Center for Agricultural Sciences, Tsukuba, Japan
1996― 1996, Visiting Scholar, The Queen’s University of Belfast, UK
Social Positions
2022 – Vice chair of Division 2, International Union of Soil Sciences
2018 – Present, Executive Vice President and Secretary General, Soil Science Society of China
2018– Present, Member of International Science Council-China
2010– 2016, Director of East Asia Center, International Nitrogen Initiative
Editor-in-chief: Soils (in Chinese), Nitrogen Cycling
Editorial board member: Environmental Research Letter, Soil Science and Plant Nutrition, Pedosphere, Biochar
Projects
Technology development and demonstration of carbon sequestration and methane mitigation for rice paddy, 2022.11-2025.12, Ministry of Science and Technology (PI)
INFEWS: U.S.-China: Managing agricultural nitrogen to achieve sustainable Food-Energy-Water Nexus in China and the U.S., 2021.1-2024.12, National Natural Science Foundation of China (PI)
Mechanism of nitrogen and phosphorus transportation and pollution control between farmland and wetland in the Dongting Lake Plain, 2020.1-2023.12, National Natural Science Foundation of China (PI)
PatentsYan, X.Y.,Zhou W., Device and method for field in-situ multi-plot synchronous monitoring of greenhouse gas fluxes:US12130272B1, 2024-10-29
Zhou W., Yan X.Y., Zhao X., Li X.M., In-situ measurement device and method for denitrification rate of soil or sediment in environments: ZL201911416804.9, 2025-05-09
Publications
(1) Yang, J.R., Xia, L.L., van Groenigen, K.J., Zhao, X., Ti, C.P., Wang, W.L., Du, Z.L., Fan, M.S., Zhuang, M.H., Smith, P., Lal, R., Butterbach-Bahlh, K., Han, X.R., Meng, J., Liu, J., Cai, H.G., Cheng, Y.H., Liu, X.R., Shu, X.Y., Jiao, X.Y., Pan, Z.D., Tang, G.M., Yan, X.Y., 2025. Sustained benefits of long-term biochar application for food security and climate change mitigation. P Natl Acad Sci USA 122(33).
(2) Han, H.J., Yan, X., Li, X.H., Zhao, X.M., Qiu, J., Huang, Z.L., Yan, X.Y., Xia, Y.Q., 2025. Quantile regression reveals phosphorous overwhelms nitrogen in controlling high chlorophyll-a concentration in freshwater lakes. J Hydrol 654.
(3) Zhao, D., Qiu, J., Fan, Z., Ti, C.P., Huang, Z.L., Yan, X.Y., Xia, Y.Q., 2025. Global Warming Has Imbalance Impact on Soil Nitrogen Transformation Rates. Earths Future 13(3).
(4) Fan, Z., Ti, C.P., Yan, X., Qiu, J., Han, H.J., Wang, R.G., Liu, Y., Xu, R.L., Qi, C.Q., He, Z.M., Yan, X.Y., Xia, Y.Q., 2025. Elucidating nitrate sources in a karst watershed: Integrating isotope techniques, hydrochemical methods, and Bayesian model. J Environ Manage 392
(5) Yan, X., Xia, Y.Q., Zhao, X., Ti, C.P., Xia, L.L., Chang, S.X., Yan, X.Y., 2025. Coupling nitrogen removal and watershed management to improve global lake water quality. Nat Commun 16(1).
(6) Li, X.H., Yan, X., Han, H.J., Luo, G., Yan, X.Y., Xia, Y.Q., 2024. The trade-off effects of water flow velocity on denitrification rates in open channel waterways. J Hydrol 637.
(7) Peng, L.Y., Ti, C.P., Yin, B., Dong, W.X., Li, M., Tao, L.M., Yan, X.Y., 2024. Traceability of atmospheric ammonia in a suburban area of the Beijing-Tianjin-Hebei region. Sci Total Environ 907.
(8) Wei, Z.J., Ma, X.F., Chai, Y.C., Senbayram, M., Wang, X.M., Wu, M., Zhang, G.B., Cai, S.J., Ma, J., Xu, H., Bol, R., Rillig, M.C., Ji, R., Yan, X.Y., Shan, J., 2024. Tire Wear Particles Exposure Enhances Denitrification in Soil by Enriching Labile DOM and Shaping the Microbial Community. Environ Sci Technol 59(2), 1209-1221
(9) Yan, X., Xia, Y.Q., Ti, C.P., Shan, J., Wu, Y.H., Yan, X.Y., 2024. Thirty years of experience in water pollution control in Taihu Lake: A review. Sci Total Environ 914.
(10) Yan, X., Han, H.J., Li, X.H., Rong, X.M., Xia, L.L., Yan, X.Y., Xia, Y.Q., 2024. Small water body significantly contributes to nitrous oxide emissions in China's aquaculture. J Environ Manage 364.
(11) Song, L., Tao, Y., van Groenigen, K.J., Chang, S.X., Peñuelas, J., Zhang, J.S., You, L.Z., Cai, C., Wang, S.H., Jiang, Y., Ma, C.Q., Yan, X.Y., Ni, K., Wang, D.M., Wang, Y., Zhu, C.W., 2024. Rising atmospheric carbon dioxide concentrations increase gaps of rice yields between low- and middle-to-high-income countries. Nat Food 5(9).
(12) Wei, Z.J., Well, R., Ma, X.F., Lewicka-Szczebak, D., Rohe, L., Zhang, G.B., Li, C.L., Ma, J., Bol, R., Xu, H., Shan, J., Yan, X.Y., Senbayram, M., 2024. Organic fertilizer amendment decreased N2O/(N2O+N2) ratio by enhancing the mutualism between bacterial and fungal denitrifiers in high nitrogen loading arable soils. Soil Biol Biochem 198.
(13) Tang, Q., Moeskjaer, S., Cotton, A., Dai, W.X., Wang, X.Z., Yan, X.Y., Daniell, T.J., 2024. Organic fertilization reduces nitrous oxide emission by altering nitrogen cycling microbial guilds favouring complete denitrification at soil aggregate scale. Sci Total Environ 946
(14) Zhang, X., Sabo, R., Rosa, L., Niazi, H., Kyle, P., Byun, J.S., Wang, Y.Y., Yan, X.Y., Gu, B.J., Davidson, E.A., 2024. Nitrogen management during decarbonization. Nat Rev Earth Env 5(10), 717-731.
(15) Yan, X., Han, H.J., Li, X.H., Huang, J., Liu, X.M., Xia, Y.Q., Yan, X.Y., 2024. A new model to estimate shallow lake nitrogen removal rate based on satellite derived variables. Environ Res Lett 19(2).
(16) Zhao, X., Wang, Y.Y., Cai, S.Y., Ladha, J.K., Castellano, M.J., Xia, L.L., Xie, Y.X., Xiong, Z.Q., Gu, B.J., Xing, G.X., Yan, X.Y., 2024. Legacy nitrogen fertilizer in a rice-wheat cropping system flows to crops more than the environment. Sci Bull 69(9), 1212-1216.
(17) Wang, X.M., Wu, M., Wei, Z.J., Hazard, C., Nicol, G.W., Zhao, H.C., Liu, B.B., Zhang, J.B., Shan, J., Yan, X.Y., 2024. Investigating drivers of free-living diazotroph activity in paddy soils across China. Soil Biol Biochem 199.
(18) Wang, X.M., Zhang, Y.M., Zhou, H., Wu, M., Shan, J., Yan, X.Y., 2024. Investigating drivers of N2 loss and N2O reducers in paddy soils across China. Sci Total Environ 954.
(19) Ni, H.W., Hu, H., Zohner, C.M., Huang, W.G., Chen, J., Sun, Y.S., Ding, J.X., Zhou, J.Z., Yan, X.Y., Zhang, J.B., Liang, Y.T., Crowther, T.W., 2024. Effects of winter soil warming on crop biomass carbon loss from organic matter degradation. Nat Commun 15(1).
(20) Qin, W., Wei, S.P., Zheng, Y., Choi, E., Li, X.P., Johnston, J., Wan, X.H., Abrahamson, B., Flinkstrom, Z., Wang, B.Z., Li, H.Y., Hou, L., Tao, Q., Chlouber, W.W., Sun, X., Wells, M., Ngo, L., Hunt, K.A., Urakawa, H., Tao, X.Y., Wang, D.Y., Yan, X.Y., Wang, D.Z., Pan, C.L., Weber, P.K., Jiang, J.D., Zhou, J.Z., Zhang, Y., Stahl, D.A., Ward, B.B., Mayali, X., Martens-Habbena, W., Winkler, M.K.H., 2024. Ammonia-oxidizing bacteria and archaea exhibit differential nitrogen source preferences. Nat Microbiol 9(2), 524-536.
(21) Wang, J.Y., Ciais, P., Smith, P., Yan, X.Y., Kuzyakov, Y., Liu, S.W., Li, T.T., Zou, J.W., 2023. The role of rice cultivation in changes in atmospheric methane concentration and the Global Methane Pledge. Global Change Biol 29(10), 2776-2789.
(22) Wang, Y., Huang, Y.Y., Song, L., Yuan, J.H., Li, W., Zhu, Y.G., Chang, S.X., Luo, Y.Q., Ciais, P., Peñuelas, J., Wolf, J., Cade-Menun, B.J., Hu, S.J., Wang, L., Wang, D.J., Yuan, Z.W., Wang, Y.J., Zhang, J.S., Tao, Y., Wang, S.Q., Liu, G., Yan, X.Y., Zhu, C.W., 2023. Reduced phosphorus availability in paddy soils under atmospheric CO2 enrichment. Nat Geosci 16(2), 162.
(23) Tang, Q., Xia, Y.Q., Ti, C.P., Shan, J., Zhou, W., Li, C.L., Yan, X., Yan, X.Y., 2023. Partial organic fertilizer substitution promotes soil multifunctionality by increasing microbial community diversity and complexity. Pedosphere 33(3), 407-420.
(24) Cai, S.Y., Zhao, X., Pittelkow, C.M., Fan, M.S., Zhang, X., Yan, X.Y., 2023. Optimal nitrogen rate strategy for sustainable rice production in China. Nature 615(7950), 73.
(25) Xia, Y.Q., Zhao, D., Yan, X., Hu, W., Qiu, J., Yan, X.Y., 2023. A new framework to model the distributed transfer and retention of nutrients by incorporating topology structure of small water bodies. Water Res 238.
(26) Xia, L.L., Yan, X.Y., 2023. Maximizing Earth's feeding capacity. Nat Food 4(5), 353-354.
(27) Xia, L.L., Cao, L., Yang, Y., Ti, C.P., Liu, Y.Z., Smith, P., van Groenigen, K.J., Lehmann, J., Lal, R., Butterbach-Bahl, K., Kiese, R., Zhuang, M.H., Lu, X., Yan, X.Y., 2023. Integrated biochar solutions can achieve carbon-neutral staple crop production. Nat Food 4(3), 236-246
(28) Xia, L.L., Yan, X.Y., 2023. How to feed the world while reducing nitrogen pollution. Nature 613(7942), 34-35.
(29) Qian, H.Y., Zhu, X.C., Huang, S., Linquist, B., Kuzyakov, Y., Wassmann, R., Minamikawa, K., Martinez-Eixarch, M., Yan, X.Y., Zhou, F., Sander, B.O., Zhang, W.J., Shang, Z.Y., Zou, J.W., Zheng, X.H., Li, G.H., Liu, Z.H., Wang, S.H., Ding, Y.F., van Groenigen, K.J., Jiang, Y., 2023. Greenhouse gas emissions and mitigation in rice agriculture. Nat Rev Earth Env 4(10), 716-732.
(30) Xia, L.L., Chen, W.H., Lu, B.F., Wang, S.S., Xiao, L.S., Liu, B.B., Yang, H.Q., Huang, C.L., Wang, H.T., Yang, Y., Lin, L.T., Zhu, X.D., Chen, W.Q., Yan, X.Y., Zhuang, M.H., Kung, C.C., Zhu, Y.G., Yang, Y., 2023. Climate mitigation potential of sustainable biochar production in China. Renew Sust Energ Rev 175.
Awards & Honors
2024 The First Prize, Soil Science Society of China
2019 The Second Prize, Ministry of Agriculture and Rural Affair, China
2014 Distinguished Young Scholar, Natural Science Foundation of China
2008 The Second Prize of National Natural Science, Ministry of Science and Technology, China
2008 International Young Agricultural Researcher Award, Ministry of Agriculture, Japan
2004 The First Prize of Science and Technology Progress, Jiangsu Province, China