Microorganisms living in soil are usually well adapted to environmental fluctuations, but are challenged by unfavourable conditions related to the food supply combined to variations in temperature, soil moisture, electron acceptor availability, predators, viruses, and mechanical forces. Despite being well-adapted, we do not know how microbial metabolism and community composition will be affected by changes in these conditions. In fact, climate scenarios predict not only continued global warming but also strong changes in temperature and precipitation. At the same time, we have seen major shifts in land use with an increase in large-scale agricultural practices and urbanization. Both climate and land-use change alter the metabolism of soil organisms and soil biodiversity from the micro-scale (bacteria, fungi, archea, protozoa, virus) to the macro-scale (soil animals, earthworms, arthropods, nematodes, etc.). This can have significant ramifications for soil functions including soils’ ability to store organic carbon, support agriculture and conserve biodiversity.
This session collects experimental and modelling studies to understand microbial life, propagation, communication, growth, functioning, adaptations, maintenance metabolism, death, and necromass stabilisation in soil. Plant-microbe interactions and soil biota contribution to carbon sequestrations and crop production are also considered. In this broad context, this session also presents contributions on carbon use efficiency (CUE=ratio of biomass production over carbon substrate consumption) as an indicator or microbial metabolism. These include CUE estimation in soil using advanced methods – isotope labelling, kinetic studies, isothermal calorimetry, and approaches disclosing the effect of microbial community composition and activity on CUE – and modelling studies. A major common challenge in all these areas of soil ecology is how to scale observations and model concepts from organism and communities to soil profiles, ecosystems and finally to scales relevant to management and policy, all the way to the global scale. We thus welcome innovative and interdisciplinary studies that are pushing the field of soil ecology from the understanding of ecological and biogeochemical processes in soils to addressing global sustainability issues.

Convener: Stefano Manzoni | Co-conveners: Sergey Blagodatsky, Anke Herrmann, Maria Mooshammer, Kelly Ramirez
| Wed, 10 Apr, 14:00–18:00
Room -2.20
| Attendance Thu, 11 Apr, 08:30–10:15
Hall X1

Attendance time: Thursday, 11 April 2019, 08:30–10:15 | Hall X1

Chairperson: Anke Herrmann, Maria Mooshammer, Sergey Blagodatsky, Stefano Manzoni
X1.206 |
Changhui Wang, Nannan Wang, and Kuanhu Dong
X1.207 |
Petr Hedenec, David Singer, Tomas Cajthaml, Qiang Lin, Jaroslav Kukla, Jan Frouz, and Xiangzhen Li
X1.208 |
Drought legacy effects on plant-soil interactions: from individuals to communities
Kelly Ramirez, Dean de Haas, and Wim van der Putten
X1.210 |
Juan Carlos García-Gil, Iria Benavente, Pedro Soler-Rovira, Federico Navarro-García, María del Mar Delgado, and César Plaza
X1.211 |
Hostile to the hosts: non-bacteriophage viruses shorten bacterial life span but could not prevent their ecosystem services
Bahar S. Razavi, Ali Feizi, and Mohammad Reza Jouybari
X1.212 |
Ivana Bogdanovic, Alberto Canarini, Joana Séneca, Eva Simon, Erich M. Pötsch, Michael Bahn, Wolfgang Wanek, Christina Kaiser, and Andreas Richter
X1.213 |
Jiří Holátko, Tereza Dokulilová, Oldřich Látal, Veronika Janáčová, Marie Grulichová, Jan Zloch, Václav Pecina, and Martin Brtnický
X1.214 |
Judith Prommer, Wolfgang Wanek, Tom Walker, Judith Braun, David Zezula, Yuntao Hu, Florian Hofhansl, and Andreas Richter
X1.215 |
Sergey Blagodatskiy, Aliia Gilmullina, Polina Galitskaya, Svetlana Selivanovskaya, and Evgenia Blagodatskaya
X1.216 |
Holger Pagel, Marie Uksa, Christian Poll, Ellen Kandeler, and Thilo Streck
X1.217 |
Birhanu Endalew, Sergey Blagodatsky, Isaac Balume, and Frank Rasche
X1.218 |
Eva Simon, Alberto Canarini, Ivana Bogdanovic, Joana Séneca, Erich M. Pötsch, Michael Bahn, Wolfgang Wanek, and Andreas Richter
X1.219 |
Calorespirometry combined with bacterial diversity dynamics shed light on microbial carbon and energy use efficiency
Evgenia Blagodatskaya, Ruirui Chen, and Sergey Blagodatsky
X1.220 |
Assessing substrate C-use efficiency with direct measurements of soil microbial biomass C coupled with 14C tracer techniques
Jeewan Gamage and Paul Voroney
X1.221 |
Leiyi Chen, Li Liu, Chao Mao, Shuqi Qin, Sergey Blagodatsky, and Yuanhe Yang
X1.222 |
Maria Mooshammer, Stuart Grandy, Kevin Geyer, Francisco Calderón, Steve Culman, Bill Deen, Kari Dunfield, Serita Frey, Virginia L. Jin, Michael Lehman, Shannon Osborne, Marty Schmer, and Timothy Bowles