MicroSoil 2018 

Workshop on “Elucidating microbial processes in soils and sediments: Microscale measurements and modeling”

Château de Saint Loup sur Thouet

Saint Loup Lamairé, Deux Sèvres, France

June 26-29, 2018.

Programme

Wednesday June 26, 2018

8:00-9:00: Breakfast in the medieval tower of the château of Saint Loup sur Thouet.

9:00-9:30: Welcome and organizational aspects of workshop

9:30-10:30: Invited talk: “Emergent properties of microbial activity in heterogeneous soil microenvironments: An overview”, Wilfred Otten [40 minutes + 20 minutes for discussion]

10:30-10:45: Coffee break  (first chance to see posters of Poster session 1)

Session I: Physical description and modelling. Chair: Hans-Jörg Vogel

10:45-11:20: “Recent progress in the treatment and segmentation of X-ray CT images of soils”, Steffen Schlüter  [20 +15]

11:20-11:55: “Quantitative analysis of X-ray CT images of soils”, Fernando San José Martinez [20 +15]

11:55-12:30: “Sharing soil CT images and image analysis software: How do we do it, and should we come up with soil standards?” open discussion centered around 2 short presentations by Marine Lacoste and John Koestel [35]

12:30-14:00: Lunch (cold buffet in the Orangerie, on the grounds of the château)

14:00-14:35: Invited talk: “Soil microaggregates: How useful are they in the research on microscale processes?”, Kai Uwe Totsche [20 +15]

14:35-15:00: “Can pore scale geometry explain sample-scale hydrodynamic properties of soils?”, Aurore Degré [20 +15]

15:00-15:30: “Where do we stand on modelling the microscale physics of soils?”, Philippe Baveye [20 +15]

15:30-16:00: “Areas we should focus on in the physical description of soils”, Open discussion [30]

16:00-16:30: Coffee break (+ posters)

Session II: (Bio)chemical characterization and modelling.

Chair: Ingrid Kögel-Knabner

16:30-17:15: Invited talk: “Using X-ray CT to identify SOM distribution patterns in soils”, Sasha Kravchenko [30 +15]

17:15-17:50: “Mucilage in soils: Characterization and impact”, Andrea Carminati, University of Halle, Germany. [20 +15]

17:50-18:25: “Submicron-scale imaging of soil organic matter dynamics using NanoSIMS”, Carsten Müller [20 +15]

18:25–18:45: Open discussion (including discussion of posters)

Thursday June 26, 2018

8:00-9:00: Breakfast in the medieval tower of the château of Saint Loup sur Thouet.

Session II (continued): (Bio)chemical characterization and modelling.

Chair: Ingrid Kögel-Knabner

9:00-9:50: Invited talk: “Using statistical techniques to extrapolate 2D chemical maps to the 3^rd dimension”, Simona Hapca [30 +15]

9:45-10:00: “Where do we stand on modelling the microscale (bio)chemistry of soils? Brief overview of a black hole”, Philippe Baveye [10+5]

10:00-10:30: “Areas we should focus on in the (bio)chemical characterization/description of soils”, Open discussion [30]

10:30-10:45: Coffee break (first chance to see posters of Poster session 2)

Session III: Microbial characterization and modelling.

Chair: Matthias Kästner

10:45-11:20: “Microbial hotspots and hot moments: Conceptual background”, Evgenia Blagodatskaya [20 +15]

11:20-11:55: “Soil-microorganisms interactions revealed through transmission electron microscopy”, Françoise Watteau [20 +15]

11:55-12:30: Poster session

12:30-14:00: Lunch (cold buffet in the Orangerie, on the grounds of the château)

14:00-14:35: “FISH-related techniques to assess the spatial distribution of soil-microorganisms in thin sections”, Hannes Schmidt [20 +15]

14:35-15:00: “Microbial dynamics at the microscale: How can we move to 4D and are micromodels part of the answer?”, Philippe C. Baveye [15 +10]

15:00-15:25: “Round-table discussion: Why are there so few measurements of the microscale spatial distribution and activity of microorganisms, and how can we get more?” Discussion led by Naoise Nunan and Wilfred Otten [35]

15:25-16:00: “Computer simulation of the activity of micoorganisms in soils: Where are we?”, Valérie Pot [20+15]

16:00-16:30: Coffee break (+ posters)

16:30-17:05: “Individual-based modeling of C and N turnover in soils”, Christina Kaiser [20+15]

17:05-17:35: “Areas we should focus on in the microbial characterization/description of soils”, Open discussion [30]

Session IV: Integration and upscaling

Chair: Wilfred Otten

17:35-18:10: “Example of integration of disciplinary perspectives: Linking 3D Soil Structure and Plant-Microbe-Soil Carbon Transfer in the Rhizosphere”, Alix Vidal. [20 +15]

18:10-18:45: Poster session

Friday June 26, 2018

8:00-9:00: Breakfast in the medieval tower of the château of Saint Loup sur Thouet.

Session IV (continued): Integration and upscaling

Chair: Wilfred Otten

9:00-9:35: “Example of integration of disciplinary perspectives: In situ X-ray tomography imaging of soil water and cyanobacteria from biological soil crusts undergoing desiccation”, Estelle Couradeau and Vincent Felde. [20 +15]

9:35-9:55: “Types of integration we should focus on in the near future”, Open discussion [20]

9:55-10:30: “Emergent properties: Scaling up soil carbon dynamics from microbial cells to ecosystems”, Anke Hermann [20+15]

10:30-10:45: Coffee break

10:45-11:05: “Continued open discussion on scaling-up and new macroscopic measurements”, Open discussion [20]

11:05-12:00: “Where do we go from here? Outlining a possible COST proposal to create European-scale network + other funding opportunities” discussion led by Philippe C. Baveye, Patricia Garnier and Naoise Nunan [55]

Session V. Wrapping up:

12:00-12:30:  Concluding comments and award for best poster and runner-up (Sponsored by Frontiers) Philippe C. Baveye [30]

12:30-14:00: Lunch (hot buffet in the Orangerie, on the grounds of the château)

List of participants: