[A-HW36] Material transport, biodiversity and environmental changes in watersheds from headwaters to coasts

[AHW36-10] Testing seasonal effects of landscape stoichiometry on river ecosystem metabolism using a multi-isotope model

*Noboru Okuda¹, Ken’Ichi Osaka², Keisuke Koba³, Takuya Ishida⁴, Tomoya Iwata⁵, Ichiro Tayasu⁶, Yu Ozawa¹ (1. Kobe University, 2. University of Shiga Prefecture, 3. Kyoto University, 4. Hiroshima University, 5. Yamanashi University, 6. Research Institute for Humanity & Nature)

Keywords:Δ17O-δ18O, Ecosystem metabolism, Landscape stoichiometry, Land use pattern, Nitrate, Nutrient balance