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Orals BG1.10

BG1.10

Nitrogen-transformation processes in terrestrial and aquatic ecosystems: advances in pathways-tracing, quantification and process-based modelling
Conveners: Tuula Larmola , Reinhard Well  | Co-Conveners: Sari Juutinen , Julie Talbot , Christoph Müller , Dominika Lewicka-Szczebak 
Orals
 / Thu, 21 Apr, 10:30–12:00  / 13:30–17:00  / Room 1.61
Posters
 / Attendance Thu, 21 Apr, 17:30–19:00  / Foyer M

Thursday, 21 Apr 2016
Room 1.61
Chairperson: Tuula Larmola, Sari Juutinen
Ecosystem scale studies

10:30–10:45
EGU2016-13894
Controls on the dynamics of dissolved organic matter in boreal lakes (solicited)
Dolly Kothawala, Anne Kellerman, Nuria Catalan, and Lars Tranvik
10:45–11:00
EGU2016-11054
Isotopic patterns in caps and stipes in sporocarps reveal patterns of organic nitrogen use by ectomycorrhizal fungi
Erik Hobbie, Andrew Ouimette, and Janet Chen
11:00–11:15
EGU2016-8830
Nitrogen and carbon interactions in controlling terrestrial greenhouse gas fluxes
Phil Ineson, Sylvia Toet, and Jesper Christiansen
11:15–11:30
EGU2016-10481
Can we trust current estimates for biological nitrogen fixation?
Jean-Philippe Bellenger and Anne Kraepiel
11:30–11:45
EGU2016-14152
Tracing nitrogen accumulation in decaying wood and examining its impact on wood decomposition rate
Katja T. Rinne, Tiina Rajala, Krista Peltoniemi, Janet Chen, Aino Smolander, and Raisa Mäkipää
11:45–12:00
EGU2016-12726
Deforestation for oil palm alters the fundamental balance of the soil N cycle
Liz Hamilton, Mark Trimmer, Chris Bradley, and Gilles Pinay
Lunch break
Quantification of N-transformations

13:30–13:45
EGU2016-1429
Organic and inorganic nitrogen dynamics in soil - advanced Ntrace approach
Louise C. Andresen, Anna-Karin Björsne, Samuel Bodé, Leif Klemedtsson, Pascal Boeckx, and Tobias Rütting
13:45–14:00
EGU2016-11852
N2O and N2 emissions from contrasting soil environments – interactive effects of soil nitrogen, hydrology and microbial communities
Jesper Christiansen, Bo Elberling, Relena Ribbons, Javier Hedo, Maria José Fernández Alonso, Lukasz Krych, Dennis Sandris Nielsen, and Barbara Kitzler
14:00–14:15
EGU2016-4505
Climate change amplifies gross nitrogen turnover in montane grasslands of Central Europe both in summer and winter seasons
Zhe Chen, Changhui Wang, Sebastian Unteregelsbacher, Haiyan Lu, Silvia Gschwendtner, Rainer Gasche, Allison Kolar, Michael Schloter, Klaus Butterbach-Bahl, and Michael Dannenmann
14:15–14:30
EGU2016-14079
Are microbial N transformation rates in a permanent grassland soil after 17 years of elevated atmospheric CO2 sensitive to soil temperature?
Gerald Moser, André Gorenflo, Kristof Brenzinger, Tim Clough, Gesche Braker, and Christoph Müller
14:30–14:45
EGU2016-9712
Identification and quantification of nitrogen cycling processes in cryptogamic covers
Bettina Weber, Dianming Wu, Katharina Lenhart, Alexandra Tamm, Nina Ruckteschler, Emilio Rodríguez-Caballero, Wolfgang Elbert, Susannah Burrows, Tim Clough, Jörg Steinkamp, Hannah Meusel, Thomas Behrendt, Burkhard Büdel, Meinrat O. Andreae, Matthias Sörgel, Yafang Cheng, Paul Crutzen, Frank Keppler, Hang Su, and Ulrich Pöschl
14:45–15:00
EGU2016-2883
Nitrogen gas emissions and their genetic potential in tropical peatlands of French Guiana
Kuno Kasak, Kristjan Oopkaup, Järvi Järveoja, Martin Maddison, Teele Ligi, Marika Truu, Jaak Truu, and Ülo Mander
Coffee break
Methods to study various N pathways

15:30–15:45
EGU2016-16457
Soil pH management by calcareous and siliceous minerals: effect on N2O yield in nitrification and denitrification
Shahid Nadeem, Lars Bakken, and Peter Dörsch
15:45–16:00
EGU2016-8826
A novel method for trapping and analyzing 15N in NO for tracing NO sources
Ronghua Kang, Jan Mulder, and Peter Dörsch
16:00–16:15
EGU2016-15027
Isotopic investigations of dissolved organic N in soils identifies N mineralization as a major sink process
Wolfgang Wanek, Judith Prommer, and Florian Hofhansl
16:15–16:30
EGU2016-2545
Co-denitrification an important process in urine amended grassland soil
Diana R. Selbie, Gary J. Lanigan, Ronald J. Laughlin, Hong J. Di, James L. Moir, Keith C. Cameron, Tim J. Clough, Catherine J. Watson, James Grant, Cathal Somers, and Karl G. Richards
16:30–16:45
EGU2016-13921
Sediment filtration can reduce the N load of the waste water discharge – a full-scale lake experiment
Sanni L. Aalto, Jatta Saarenheimo, Anu Karvinen, Antti J. Rissanen, Janne Ropponen, Janne Juntunen, and Marja Tiirola
16:45–17:00
EGU2016-9305
Denitrification in Agricultural Soils: Integrated control and Modelling at various scales (DASIM)
Christoph Müller, Reinhard Well, Jürgen Böttcher, Klaus Butterbach-Bahl, Michael Dannenmann, Marianna Deppe, Klaus Dittert, Peter Dörsch, Marcus Horn, Olaf Ippisch, Robert Mikutta, Mehmet Senbayram, Hans-Jörg Vogel, Nicole Wrage-Mönnig, and Carsten Müller