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Posters BG4.1

BG4.1

Microbial nitrogen-transformation processes in terrestrial and aquatic ecosystems: advances in pathways-tracing, quantification and process-based modelling
Convener: Dominika Lewicka-Szczebak  | Co-Conveners: Reinhard Well , Christoph Müller , Daniel Weymann 
Orals
 / Mon, 28 Apr, 08:30–10:00  / Room G4
Posters
 / Attendance Mon, 28 Apr, 10:30–12:00  / Green Posters

Attendance Time: Monday, 28 April 2014, 10:30–12:00
Green Posters
Chairperson: Daniel Weymann
G89
EGU2014-1907
A 15N tracing method to quantify N2O pathways from terrestrial ecosystems
Christoph Müller, Ronnie Laughlin, Oliver Spott, and Tobias Rütting

G90
EGU2014-3949
The effect of elevated atmospheric CO2 concentration on gross nitrogen and carbon dynamics in a permanent grassland: A field pulse-labeling study
Gerald Moser, André Gorenflo, Lisa Keidel, Kristof Brenzinger, Dafydd Elias, Niall McNamara, Irena Maček, Dominik Vodnik, Gesche Braker, Sonja Schimmelpfennig, Judith Gerstner, and Christoph Müller

G91
EGU2014-3546
Mitigating Nitrous Oxide Emissions from Agricultural Landscape: The Role of Isotopic Techniques
Mohammad Zaman and Minh Long Nguyen

G92
EGU2014-12051
A new method combining soil oxygen concentration measurements with the quantification of gross nitrogen turnover rates and associated formation of N2O and N2 emissions
Adrian Gütlein, Michael Dannenmann, Christoph Sörgel, Rudi Meier, Astrid Meyer, and Ralf Kiese

G93
EGU2014-12347
Can soil denitrification models be validated with the N2/Ar-method? Results from a comparison between DENUZ and the N2/Ar-method in Lower Saxony (Germany)
Wolfram Eschenbach, Jörg Elbracht, Heinrich Höper, Ralf Kunkel, Reinhard Well, and Frank Wendland

G94
EGU2014-4076
One method is not enough to determine denitrification in a Histic Gleysol following different grassland renovation techniques in Northwest Germany
Reinhard Well, Caroline Buchen, Wolfram Eschenbach, Dominika Lewicka-Szczebak, Mirjam Helfrich, Andreas Gensior, and Heinz Flessa

G95
EGU2014-7207
The mechanism of oxygen isotopic fractionation during fungal denitrification - A pure culture study
Nicole Wrage-Moennig, Lena Rohe, Traute-Heidi Anderson, Gesche Braker, Heinz Flessa, Annette Giesemann, Dominika Lewicka-Szczebak, and Reinhard Well

G96
EGU2014-12965
Oxygen isotope exchange and isotopic fractionation during N2O production by denitrification
Dominika Lewicka-Szczebak, Reinhard Well, and Jan Kaiser

G97
EGU2014-11563
Nitrogen isotope fractionation during archaeal ammonia oxidation: Coupled estimates from isotopic measurements of ammonium and nitrite
Maria Mooshammer, Michaela Stieglmeier, Barbara Bayer, Lara Jochum, Michael Melcher, and Wolfgang Wanek

G98
EGU2014-4422
Studies on a Novel Actinobacteria Species Capable of Oxidizing Ammonium under Iron Reduction Conditions
Shan Huanh, Melany Ruiz-Urigüen, and Peter R. Jaffe

G99
EGU2014-11901
The N cycle in Earth subsurface. Reactivity of functional genes to anthropogenic CO2 injections.
Rosalia Trias, Emmanuelle Gérard, Paul Le Campion, Sigurður R. Gíslason, Edda S. Aradóttir, Helgui A. Alfreðsson, Kiflom G. Mesfin, Sandra Ó. Snæbjörnsdóttir, and Bénédicte Ménez

G100
EGU2014-16660
Emergent macrophytes select for nitrifying and denitrifying microorganisms in constructed wetlands
Rosalia Trias, Sara Ramió Pujol, and Lluis Bañeras

G101
EGU2014-13212
N-SINK - reduction of waste water nitrogen load
Sanni Aalto, Marja Tiirola, Lauri Arvola, Jussi Huotari, Tiina Tulonen, Antti Rissanen, and Hannu Nykänen

G102
EGU2014-3952
In situ denitrification rates in shallow groundwater beneath a spring barley - mustard cover crop system
Mohammad Mofizur Rahman Jahangir, Eddy Minet, Paul Johnston, Catherine Coxon, and Karl Richards

G103
EGU2014-5271
Dynamics of nitrifying bacterial communities in the Seine river and estuary as affected by changes in the treatment of Paris wastewater : a comparison of 2001-2003 vs 2012-2013 periods
Najla Aissa Grouz, Gilles Billen, Josette Garnier, Benjamin Mercier, and Anun Martinez

G104
EGU2014-13328
Nitrogen attenuation along delivery pathways in agricultural catchments
Eoin McAleer, Per-Erik Mellander, Catherine Coxon, and Karl G Richards

G105
EGU2014-1618
Fontinalis antipyretica as a bioindicator of environmental conditions in freshwater ecosystem from Sava River watershed and Cerkniško Lake, Slovenia
Tjaša Kanduč, Špela Mechora, and Vekoslava Stibilj