Colloquium
In the colloquium of the Institute of Soil Science current research results and projects are presented and discussed in a weekly cycle. Thus, it is an important platform for the scientific interchange within the institute and with external national and international co-operation partners.
Schedule
| Date | Presenter | Title |
| 21.10.2024 |
Olena Dubovyk, Institute of Geography, UHH |
Remote Sensing of land surface monitoring and assessment |
|
28.10.2024 |
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|
04.11.2024 |
Alex Gröngröft, UHH, IfB | Bodenkundliche Kartieranleitung KA6 (auf Deutsch) |
|
11.11.2024 |
Kathrin Rousk, Copenhagen University |
Mosses as hosts to nitrogen-fixing bacteria: uncovering biotic and abiotic controls |
|
18.11.2024 |
Kristina Witzgall, TU Munich | Underestimated life at the soil surface: quantifying the responses of biocrust-soil interactions to global change |
|
25.11.2024 |
Lin Yu, UHH, IfB | The effects of microbial competition on the carbon and phosphorus cycles at a mature Eucalyptus forest site under elevated CO2 and the implications for the land surface models |
|
02.12.2024 |
Selina Undeutsch, UHH, IfB | Declining Growing Season Carbon Uptake of Siberian Tundra: 20 years of Carbon Dioxide Flux Observations from the Lena River Delta |
|
09.12.2024 |
Andreas Kappler, Universität Tübingen |
Microbial iron cycling in permafrost peatlands - Impact on organic carbon mobilisation and greenhouse gas emissions |
|
16.12.2024 |
Emmanuel Arthur, Aarhus University | Measurement and Utilisation of soil water vapor sorption isotherm data for prediction of difficult-to-measure soil properties |
|
06.01.2025 |
David Holl, UHH, IfB | Towards a Universal Quality Control and Model Decision Workflow for Chamber-Based Trace Gas Flux Estimates Obtained With Fast Analyzers |
|
13.01.2025 |
Maire Holz, ZALF | Fine root economic strategies and the link to plant N nutrition |
|
20.01.2025 |
Carsten Müller, TU Berlin | How life at the plant-microorganism-soil interface regulates the cycling and persistence of soil organic matter |
| 27.01.2025 | Evan Wilcox, UHH, IfB | Headwater hydrology of an unglaciated stream, Qeqertarsuaq, Greenland |
Previous Schedule
| Date | Presenter | Title |
| 01.02.21 | Alex Schütt (IfB) | Wasserstress - Stadtbaumstandorte |
| 08.02. | Rica Wegner (IfB) | Interaction between aerobic N and C processes along an active thaw slump |
| 15.02. | Christian Beer (IfB) | Protection of Permafrost Soils from Thawing by Increasing Herbivore Density |
| 22.02. | Leonardo Galera (IfB) | Soil CO2 and CH4 fluxes and seasonal budget in the polygonal tundra of Samoylov Island, Northeastern Siberia |
| 01.03. | Jan Oestmann (Thünen-Institut, Braunschweig) |
Greenhouse gas balance of Sphagnum farming on highly decomposed peat at former peat extraction sites |
| 08.03. | Josephine Wong (Universität Hamburg) |
The Interactions between roots, vegetation dynamics, and climate |
| 15.03. | Yva Herion (IfB) | Soil organic matter and soil hydrology |
| 22.03. | ||
| 29.03. | Lizeth Vásconez (IfB) | |
| Easter Monday | ||
| 12.04. | Claudia Fiencke (IfB) | Microbial N-transformations and availability in the active layer of cryosols on a floodplain soil transect |
| 19.04. | Christina Steffens (IfB) | Respirationsmessung |
| 26.04. | Dirk Wagner (GFZ Potsdam) |
Of survival artists and superheroes - microbial life in soils along the Chilean Coastal Cordillera |
| 03.05. | Gustaf Hugelius (Stockholm University) |
Large stocks of peatland carbon and nitrogen are vulnerable to permafrost thaw |
| 10.05. | Melanie Kern (IfB) | Assessment of forest ecosystem C-N dynamics with integrated mycorrhizal processes under eCO2 |
| 17.05. | Adrian Heger (IfB) | Factors controlling SOC-stocks in Elbe floodplain forests |
| Whit Monday | ||
| 31.05. | Stefano Manzoni (Stockholm University) |
Modelling soil microbial dynamics across spatial scales |
| 07.06. | Peter Müller (IfB) | Plant traits determine wetland methane response to sea-level rise |
| 14.06. | Christian Beer (IfB) | Overview of the Dynamics of Soil Processes (DSP) Working Group |
| 21.06. | Annette Eschenbach (IfB) | Overview of the Soil Protection and Soil Technology Working Group |
| 28.06. | Lars Kutzbach, Miriam Fuß, Fay Lexmond, Lutz Beckebanze (IfB) | Overview of the Soils in the Climate System Working Group |
| 05.07. | David Holl (IfB) | Cushion bog plant community responses to passive warming in southern Patagonia |
| 12.07. - 18.10.21 |
Summer break | |
| 25.10.21 | Christian Knoblauch (IfB) | Carbon dioxide and methane release following abrupt thaw of Pleistocene permafrost deposits in Arctic Siberia |
| 01.11. | Gerd Wessolek (TU Berlin), Björn Kluge (TU Berlin) |
Predicting water supply and evapotranspiration of street trees using Hydro-Pedo-Transfer-Functions (HPTFs) Verschoben wegen Krankheit / Postponed due to illness |
| 08.11. | Minjung Kwon (IfB) |
Northern peatlands drying and heat wave effects on CO2 fluxes |
| 15.11. | Antonia Kiel (Institute of Geophysics, Universität Hamburg) | Relationship between seismic properties and ground water saturation, temperature and strong rain events |
| 22.11. | Klaus Berger (IfB) | Comparison and Operational Validation of SWMS_2D and HYDRUS (2D/3D) for Capillary Barriers Using Data of a 10-m Tipping Trough |
| 29.11. | Maija Marushchak (University of Eastern Finland) | Thawing Yedoma permafrost as a neglected nitrous oxide source |
| 06.12. | Gerd Wessolek, Björn Kluge (both TU Berlin) | Predicting water supply and evapotranspiration of street trees using Hydro-Pedo-Transfer-Functions (HPTFs) |
| 13.12. | Joscha Becker (IfB) | (preliminary) Connecting rhizosphere processes to carbon and nutrient balances |
| 20.12. - 27.12. |
Christmas break | |
| 03.01.22 | ||
| 10.01. | ||
| 17.01. | Victor Stepanenko (Moscow State University) | Greenhouse gas emissions from terrestrial waters: observational evidence and mechanistic modeling |
| 24.01. | Xavier Rodriguez Lloveras (IfB) | Modelling ice lenses formation in artic soils with the Hamburg Soil Model |
| 31.01. | Christina Steffens (IfB) | Tree species affect the vertical distribution of Corg and Nt within the soil |
| 07.02. | Johanna Metzger (Universität Jena) | From the canopy to the soil: Tracing small-scale variation of rainfall on a forest plot |
| 14.02. - 11.04. |
Winter break | |
| 18.04. | Easter Monday | |
| 25.04. | Christian Beer (IfB) |
Siberian-scale estimation of CO2 emission from thaw slumps |
| 02.05. | no Colloquium | |
| 09.05. | no colloquium | |
| 16.05. | Miriam Fuß (IfB) Lara Kaiser (IfB) Cosima Schröer (IfB) |
EGU practice talks |
| 23.05. | no colloquium due to EGU | |
| 30.05. | Adrian Heger (IfB) | Soil texture and pH affect soil CO2 efflux in hardwood floodplain forests of the lower middle Elbe River |
| 06.06. | Whitmonday | |
| 13.06. | Johannes Rousk (Lund University) | The microbial control of biogeochemistry in warming soils |
| 20.06. | Birgit Wild (Stockholm University) | Permafrost carbon in aquatic systems: Origin and fate across the Siberian Arctic |
| 27.06. | Jamil Anache (Universidade Federal de Mato Grosso do Sul) | Tropical woodland moisture cycling responses to climate stochasticity using eddy covariance and machine learning |
| 04.07. | ||
| 11.07. | ||
| 18.07. - 10.10. |
Summer break | |
| 18.10. | Martin Maier (Georg-August-Universität Göttingen) | Forests (soils) as methane sinks or source? Processes, mechanisms and patterns |
| 25.10. | no colloquium | |
| 01.11. | Christian Beer (IfB) | Vertical pattern of organic matter decomposability in cryoturbated permafrost-affected soils |
| 08.11. | Claudia Fiencke (IfB) | Microbiogeochemical traits to identify nitrogen hotspots in permafrost regions |
| 15.11. | Carolina Voigt (University of Eastern Finland) | Mechanisms behind atmospheric CH4 consumption by upland tundra soils in the Western Canadian Arctic |
| 22.11. | David Holl (IfB) | GHG fluxes and new peat growth after rewetting at sites with different vegetation cover and management history at Wildes Moor, Schleswig Holstein in summer of 2021 |
| 29.11. | Mathias Beyer (TU Braunschweig) | Why deep roots matter - and how water isotopes and UAV's can help to study them |
| 06.12. | Lin Yu (CLICCS) | C-N-P coupling |
| 13.12. | Daniel Goll (LSCE) cancelled, deferred |
Global potential of CO2 uptake by enhanced weathering |
| 20.12. - 03.01.23 |
Christmas break | |
| 10.01.23 | ||
| 17.01. | Lars Kutzbach (IfB) | Seasonal increase of methane emissions linked to warming in Siberian tundra |
| 24.01. | Tim Eickenscheidt (Hochschule Weihenstephan-Triesdorf) | Are paludicultures suitable for mitigation of greenhouse gas emissions from peatlands? |
| 31.01. | Esteban Suárez (University San Francisco de Quito) | Patterns of carbon storage and dynamics in high-elevation peatlands of the Northern Andes |
| 07.02. | ||
| 14.02. - 11.04. |
Winter break | |
| 23.05. | Bernhard Ahrens & Marion Schrumpf (MPI Biogeochemistry) | Microbes, minerals, depth and deep learning - perspectives in experiments and SOC modeling |
| 23.05. | Sung-Ching Lee (MPI Biogeochemistry) | What does eddy covariance say? CO2 and CH4 dynamics of marshes with a salinity gradient |
| 29.05. | Pfingstmontag | |
| 05.06. | Oliver Lechtenfeld (UFZ Leipzig) | Molecular-level insights into dissolved organic matter biogeochemistry: From process to landscape level |
| 12.06. | ||
| 19.06. | Claudia Kammann (Hochschule Geisenheim) | Biochar Soil PYMICCS |
| 26.06. | Christina Steffens | Interannual Variations of the particulate and mineral-associated organic C pools in two Northern German cropland topsoils |
| 03.07. | Min Jung Kwon | Legacy effects of Siberian 2020 heatwave in 2021 |
| 10.07. | ||
| 17.07. | ||
|
24.07. - 30.10. |
Summer break | |
| 06.11. | Christian Beer (IfB) | Carbon dioxide release from retrogressive thaw slumps in Siberia |
| 13.11. | Melanie Thurner (IfB) | Pedon-scale soil heterogeneity effects on soil temperature simulations in non-sorted circles |
| 20.11. | No Colloquium | |
| 27.11. | Marion Schrumpf (MPI-BGC) | Plant-soil-microbial interactions driving soil processes in a changing world (cancelled) |
| 04.12. | Axel Don (Thünen Institut) | C-sequestration in soils for climate change mitigation - potentials and limitations |
| 11.12. | Kirstin Dähnke (HEREON) | Eutrophication in the Elbe Estuary - does climate change support nutrient management? (cancelled) |
| 18.12. | Marion Schrumpf (MPI-BGC) | Plant-soil-microbial interactions driving soil processes in a changing world |
| 25.12. - 01.01.23 |
Christmas break | |
| 08.01.2024 | Evan Wilcox (IfB) | Improving our understanding of shrub-permafrost interactions |
| 15.01. | Lin Yu (IfB) | Effects of Biochar Addition on Soil Properties and Possible Influence on Climate Extremes |
| 22.01. | Johanna Kertulla (UEF-Finnland) | N-gene abundance correlates with N2O production in RTS, Siberia |
| 29.01 | Selina Undeutsch (IfB) | Influences on permafrost-atmosphere carbon dioxide exchange on Samoylov Island |
| 05.02.2024 - 29.04.2024 |
Winter break | |
| 06.05. 13:00 - 14:00 | Prof. Dr. Gerald Jurasinski (University of Greifswald) | The power of long-term research to increase our understanding of rewetted peatlands |