Dr. Xiaoyuan Yan Fulltime Researcher (Obs. & Data Analysis Group; Emission Inventory subgroup) Address Frontier Research Center for Global Change 3173-25 Showa-machi, Kanazawa-ku, Yokohama Kanagawa 236-0001, Japan. Tel: +81-45-778-5725 Fax: +81-45-778-5496 e-mail: yanxy(@jamstec.go.jp) URL: http://www.jamstec.go.jp/frcgc/research/p3/yanxy.htm Research Experience and Education: Apr. 2001 - present, researcher at FRCGC (FRSGC till June 2004) Mar. 1999 - Mar. 2001, PDF, Japan International Research Center for  Agricultural           Sciences         Dec. 1998, Ph.D., Institute of Soil Science, Chinese Academy of Sciences Jan. 1996 - Aug. 1996, research associate, The Queen's Universtiy of Belfast, UK June 1995, M.Sc., Institute of Soil Science, Chinese Academy of Sciences June 1992, B.Sc., Hunan Agricultural Univeristy, China  Research area: 1. Trace gases exchange between soil and atmosphere 2. Biogeochemical cycling of carbon and nitrogen in ecosystem Selected publications: Yan X, Shimizu K, Akimoto H and Ohara T (2003) Determining fertilizer-induced NO emission ration from soils by statistical distribution model, Biology and Fertility of Soils, 39:45-50 Yan X, Cai Z., Ohara T and Akimoto H (2003) Methane emission from rice fields in Mainland China: Amount, seasonal and spatial distribution, Journal of Geophysical Research ? Atmosphere, 108, D16, 4505, doi:10.1029/2002JD003182 Yan X, Akimoto H and Ohara T (2003) Estimation of nitrous oxide, nitric oxide and ammonia emissions from croplands in East, Southeast and South Asia, Global Change Biology, 9:1080-1096 Yan X, Ohara T and Akimoto H (2003) Development of region-specific emission factors and estimation of methane emission from rice field in East, Southeast and south Asian countries, Global Change Biology, 9: 237-254 Yan X, Hosen Y and Yagi K (2001) Nitrous oxide and nitric oxide emissions from maize field plots as affected by nitrogen fertilizer type and placement, Biology and Fertility of Soils, 34:297-303 Yan X, Shi S, Du L and Xing G (2000) Pathways of N2O emission from rice paddy soil, Soil Biology and Biochemistry, 32:437-440 Yan X, Du L, Shi S and Xing G (2000) N2O emission from rice paddy soil as affected by the application of controlled availability fertilizers and mid-season aeration, Biology and Fertility of Soils, 32:60-66 Message: