[M-IS10] Biogeochemistry

[MIS10-P01] Responses of River Nitrogen and Dissolved Organic Nitrogen to Declining Atmospheric Nitrogen Deposition along An Upstream-downstream Gradient from Forested to Urban Areas, Western Japan

*Zhouqiang Li¹, Dongchuan Fu¹, Ken'ichi Shinozuka², Tamao Kasahara³, Masaaki Chiwa⁴ (1. Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 2. Center for Environmental and Societal Sustainability, Gifu University, 3. Faculty of Agriculture, Kyushu University, 4. Kyushu University Forest, Kyushu University)

Keywords:River water quality, Atmospheric deposition, Nitrogen, Phosphorus