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Orals SSS4.7

SSS4.7

Biotic and abiotic drivers of humification and mineralisation under changing climate
Convener: Evgenia Blagodatskaya  | Co-Conveners: Jennifer Dungait , Sharon Billings , Sergey Blagodatsky , Gerd Gleixner , Carlos Sierra , Ford Ballantyne 
Orals
 / Thu, 01 May, 08:30–12:15  / 13:30–15:15  / Room B11
Posters
 / Attendance Thu, 01 May, 17:30–19:00  / Blue Posters

Thursday, 01 May 2014
Room B11
Chairperson: Jennifer Dungait & Ford Ballantyne
08:30–08:45
EGU2014-339
Microbial community responses to temperature increase the potential for soil carbon losses under climate change. (solicited)
Iain Hartley, Kristiina Karhu, Marc Auffret, David Hopkins, Jim Prosser, Brajesh Singh, Jens-Arne Subke, Philip Wookey, and Göran Ågren
08:45–09:00
EGU2014-4739
Response of Basic Biochemical Processes to Temperature Change in Soil Microbial Communities: Testing of Basic Assumptions and Challenges to Current Methodologies (solicited)
Paul Dijkstra, Shannon Hagerty, Bruce Hungate, and Egbert Schwartz
09:00–09:15
EGU2014-13877
Impact of warm winters on microbial growth
Johanna Birgander, Johannes Rousk, and Pål Axel Olsson
09:15–09:30
EGU2014-6543
Organic matter mineralization in frozen boreal soils-environmental constraints on catabolic and anabolic microbial activity
Mats G. Oquist, Tobias Sparrman, Jürgen Schleucher, and Mats B. Nilsson
09:30–09:45
EGU2014-6417
Increased nitrogen availability counteracts climatic change feedback from increased temperature on boreal forest soil organic matter degradation
Bjorn Erhagen, Mats Nilsson, Mats Oquist, Ulrik Ilstedt, Tobias Sparrman, and Jurgen Schleucher
09:45–10:00
EGU2014-5430 | presentation | presentation
Microbial community composition and enzyme activities in cryoturbated arctic soils are controlled by environmental parameters rather than by soil organic matter properties
Jörg Schnecker, Birgit Wild, Florian Hofhansl, Ricardo J. Eloy Alves, Jiří Bárta, Petr Čapek, Lucia Fuchslueger, Norman Gentsch, Antje Gittel, Georg Guggenberger, Nikolay Lashchinskiy, Robert Mikutta, Hana Šantrůčková, Olga Shibistova, Anna Knoltsch, Mounir Takriti, Tim Urich, and Andreas Richter
10:00–10:15
EGU2014-15038
The survival strategy of the soil microbial biomass (solicited)
Philip Brookes, Sarah Kemmitt, Jennifer Dungait, and Jianming Xu
Coffee Break
10:30–10:45
EGU2014-186
Microbial biomass as a significant source of soil organic matter (solicited)
Anja Miltner, Reimo Kindler, Michael Schweigert, Jan Achtenhagen, Petra Bombach, Thomas Fester, and Matthias Kästner
10:45–11:00
EGU2014-12278
Linking microbial carbon utilization with microbially-derived soil organic matter
Cynthia M. Kallenbach and A. Stuart Grandy
11:00–11:15
EGU2014-14813
Microbial activity promotes carbon storage in temperate soils
Markus Lange, Nico Eisenhauer, Carlos Sierra, and Gerd Gleixner
11:15–11:30
EGU2014-104
Utilization of low molecular weight organics by soil microorganisms: combination of 13C-labelling with PLFA analysis
Anna Gunina, Michaela Dippold, and Yakov Kuzyakov
11:30–11:45
EGU2014-15031
Substrate use efficiency of microbial communities along a latitudinal transect through Western Siberia
Mounir Takriti, Birgit Wild, Jörg Schnecker, Maria Mooshammer, Anna Knoltsch, Nikolay Lashchinskiy, Ricardo J. Eloy Alves, Norman Gentsch, Antje Gittel, Robert Mikutta, Wolfgang Wanek, and Andreas Richter
11:45–12:00
EGU2014-4013
Do microbes destabilise old soil organic matter after fresh substrate addition?
Delphine Derrien, Caroline Plain, Pierre-Emmanuel Courty, Louisette Gelhaye, Tanja Moerdijk-Poortvliet, Fabien Thomas, Antoine Versini, Bernd Zeller, Lydie-Stella Koutika, Eric Boschker, and Daniel Epron
12:00–12:15
EGU2014-12415
Effect of microbial enzyme allocation strategies on stoichiometry of soil organic matter (SOM) decomposition
Thomas Wutzler
Lunch Break
13:30–13:45
EGU2014-2870
Microbial control of biogeochemistry during drying-rewetting: the legacy of drought (solicited)
Johannes Rousk
13:45–14:00
EGU2014-14868
Soil moisture availability and variability controls on microbial communities and SOM dynamics (solicited)
Lisa Tiemann and Sharon Billings
14:00–14:15
EGU2014-14981
Predicting the response of soil organic matter microbial decomposition to moisture (solicited)
Claire Chenu, Patricia Garnier, Olivier Monga, Fernando Moyano, Valérie Pot, Naoise Nunan, Elsa Coucheney, and Wilfred Otten
14:15–14:30
EGU2014-9829
Utilisation of young and old soil carbon sources by microbial groups differ during the growing season and between experimental treatments in a long-term field experiment
Gunnar Börjesson, Lorenzo Menichetti, Barry Thornton, Colin Campbell, and Thomas Kätterer
14:30–14:45
EGU2014-12265
Microbial carbon turnover in the plant-rhizosphere-soil continuum
Ashish Malik, Helena Dannert, Robert Griffiths, Bruce Thomson, and Gerd Gleixner
14:45–15:00
EGU2014-6079
Microbial respiration and kinetics of extracellular enzymes activities through rhizosphere and detritusphere at agricultural site
Sebastian Löppmann, Evgenia Blagodatskaya, and Yakov Kuzyakov
15:00–15:15
EGU2014-7850
Changes in microbial structure and functional communities at different soil depths during 13C labelled root litter degradation
Muhammad Sanaullah, Karen Baumann, Abad Chabbi, Marie-France Dignac, Pierre-Alain Maron, Yakov Kuzyakov, and Cornelia Rumpel