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IE2.9/BG1.5/CL3.07/SSS13.73

Nitrogen-transformation processes in terrestrial and aquatic ecosystems under global change (co-organized)
Convener: Tuula Larmola  | Co-Conveners: Sari Juutinen , Julie Talbot 
Orals
 / Thu, 12 Apr, 15:30–17:00  / Room N2
Posters
 / Attendance Thu, 12 Apr, 17:30–19:00  / Hall A
Anthropogenic disturbance of the nitrogen (N) cycle has more than doubled the amount of reactive N circulating in the biosphere. Global change impacts the N cycle via increased levels of N deposition, land use and changes in global or regional climate. This session seeks to improve our understanding on how global changes impact N biogeochemistry in terrestrial and aquatic ecosystems and what feedbacks from N cycling will be most important in influencing the climate. We invite presentations on all aspects of ecosystem N cycling, on past and present ecosystem dynamics and functioning, interactions with other element cycles (e.g., carbon, phosphorus), terrestrial-aquatic linkages, and future projections and feedbacks to global change (increased greenhouse gas emissions, biodiversity loss, air and water pollution). We welcome contributions using observational, experimental, and modeling approaches, from local to global scales and varying in time-horizons.