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Gottfried Wilhelm Leibniz Universität Hannover

Organization short name: LUH acronym: web page: http://www.soil.uni-hannover.de

Description of the organization

The Leibniz University Hannover (LUH) is a governmental institution for higher education. LUH is a full university covering the entire spectrum of university subjects. Within the Faculty of Natural Sciences, different disciplines of geosciences are active in research and teaching. One focus is the analysis of matter transformation in the active zone. Within CARBO-Extreme, the Institute of Soil Science will be in charge.

Expertise and experience of the organization

Research foci of the Institute of Soil Science is the analysis of processes and mechanisms of matter transfer in the active zone, thereby bridging different scales from individual molecules to catchments. One focus is the analysis of climatic and land-use change on the dynamics of soil organic matter in different ecosystems. The Institute of Soil Science is experienced to work in a multi-disciplinary environment and is well integrated in national and international research networks.

Selected reference projects

• CarboEurope: Assessment of the European Terrestrial Carbon Balance. (EU FP 6 Project EU GOC- CT2003-505572)
• Early Response Areas for Climate Change in Eurasia – Spatio-Temporal Dynamics of Upper Tree-Line in the Ural Mountains and Implications for Carbon Sequestration (EU-INTAS project 2001-0052)
• Soils as Sources and Sinks for CO2 –Mechanisms and Regulation of Stabilization of Organic Substances in Soil (Priority Program No. 1090 of the German Research Foundation (DFG))

Key scientific / technical personnel

Prof. Dr. Georg Guggenberger is a senior expert in soil ecology. He is focussing on the effects of climate and land-use change on transformation and stabilization processes of organic matter in soil from the nanoscale to the catchment level. He has been principle investigator of a number interdisciplinary projects and coordinator of some of them.
Dr. Robert Mikutta is an expert in soil biogeochemistry. He is specialized in the identification of bonding mechanisms of soil organic matter to mineral phases, and the consequences of modifications of the biotic and abiotic soil environment to stabilization and mobilization of soil organic matter.
Dr. Marc-O. Göbel is an expert in soil physicochemistry. He is focussing on the impact of particle surface wettability on soil physical processes relevant for the decomposition of organic matter.

Responsibilities in CARBO-Extreme

• Soil process studies (WP1)

Selected recent relevant publications

Guggenberger G., Rodionov, A., Shibistova, O., Grabe, M., Kasansky, O.A., Fuchs, H., Mikheeva, N., Zrazhevskaya, G. & Flessa, H. (2008). Storage and mobility of black carbon in permafrost soils of the forest tundra ecotone in northern Siberia. Global Change Biology 14(6), 1367 - 1381, 2008. link to publisher

Kaiser K, Guggenberger G, Mineral surfaces and soil organic matter. European Journal of Soil Science 54 (2), 219–236, 2003. link to publisher

Kaiser K, Mikutta R, Guggenberger G, Increased stability of organic matter sorbed to ferrihydrite and goethite on aging. Soil Science Society of America Journal 71, 711-719, 2007. link to publisher

Mikutta R, Mikutta C, Kalbitz K, Scheel T, Kaiser K, Jahn R, Biodegradation of forest floor organic matter bound to minerals via different binding mechanisms. Geochimica et Cosmochimica Acta 71(10), 2569-2590, 2007. link to publisher

Kögel-Knabner I, Guggenberger G, Kleber M, Kandeler E, Kalbitz K, Scheu S, Eusterhues K, Leinweber P, Organo-mineral interactions in temperate soils: integrating biology, mineralogy and organic matter chemistry. Journal of Plant Nutrition and Soil Science 171(1), 61-82, 2008. link to publisher

Lamparter A, Bachmann J, Goebel M-O, Woche SK, Carbon mineralization in soil: Impact of wetting-drying, aggregation and water repellency. Geoderma 150, 324-333, 2009. link to publisher

Bachmann J, Guggenberger G, Baumgartl T, Ellerbrock RH, Urbanek E, Goebel M-O, Kaiser K, Horn R, Fischer WR, Physical carbon-sequestration mechanisms under special consideration of soil wettability. Journal of Plant Nutrition and Soil Science 171, 14-26, 2008. link to publisher

Goebel M-O, Woche SK, Bachmann J, Lamparter A, Fischer WR, Significance of wettability-induced changes in microscopic water distribution for soil organic matter decomposition. Soil Science Society of America Journal 71, 1593-1599, 2007. link to publisher

Goebel M-O, Bachmann J, Woche SK, Fischer WR, Soil wettability, aggregate stability, and the decomposition of soil organic matter. Geoderma 128, 80-93, 2005. link to publisher