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Current Research

Long-term ¹⁵N labeling experiment in a mountain spruce forest
Modelling the fate of deposited nitrogen (N) with the biogeochemical process model TRACE
Influence of elevated atmospherically deposited N on forest growth
Impact of N deposition on CO₂, CH₄ and N₂O fluxes from temperate forest soils
Does tree-girdling and/or tree harvest alter greenhouse gas fluxes from N-saturated forest soils.
All projects are conducted at the long-term low-dose nitrogen addition experiment at Alptal, Switzerland

COST Action FP0601: Forest Management and the Water Cycle (FORMAN)

COST (European Cooperation in Science and Technology)

COST at the State Secretariat for Education and Research SER in Switzerland

Education

since 10/2008

PhD student at Swiss Federal Institute for Forest, Snow and Landscape Research (WSL); ETH Zurich, Forest Ecology Group

Supervisors:

Prof. Dr. Harald Bugmann, ETH Zurich

Dr. Patrick Schleppi, WSL

Bill Currie Ph.D., University of Michigan

10/2002 – 12/2007

Studies of Landscape Ecology at the University of Münster

Title of the thesis:
Above- and belowground biomass of Lenga (Nothofagus pumilio) seedlings and their importance in the C budget in a forest ecosystem in Patagonia/Chile

Advisors:

Prof. Dr. Andreas Schulte, Wald-Zentrum, University of Münster

Dr. Harald Schmidt, Universidad de Chile

Publications

	Krause K., Niklaus P. A., Schleppi P.: Greenhouse gas exchange of the soil in a mountain forest subjected to N addition and after girdling Norway spruce trees. (in preparation)

	Krause K., Cherubini P., Bugmann H., Schleppi P.: Growth enhancement of Norway spruce trees under long-term low-dose N addition is due to morphological more than to physiological changes. Tree Physiol. (in revision)

	Krause K., Providoli I., Currie W.S., Bugmann H., Schleppi P., 2012. Long-term tracing of whole catchment ¹⁵N additions in a mountain spruce forest: measurements and simulations with the TRACE model. Trees-Struct. Funct. DOI:10.1007/s00468-012-0737-0 >>>

	Schmidt A., Poulain M., Klein, D., Krause K., Peña-Rojas K., Schmidt H. and Schulte A., 2009. Allometric above-belowground biomass equations for Nothofagus pumilio (Poepp. & Endl.) natural regeneration in the Chilean Patagonia. Ann. For. Sci. , 66 (5), 513. >>>

	Sucker C., Krause K., 2010. Increasing dissolved organic carbon concentrations in freshwaters: what is the actual driver? iForest, 3, 106-108. >>>

Contributions to conferences

oral presentations

	Krause K., Niklaus P.A., Hartmann A., Schleppi P., 2011: Greenhouse gas exchanges of the soil in a mountain forest subjected to N addition and after girdling Norway spruce trees. Nitrogen & Global Change 2011 Key findings - future challenges, Edinburgh, Scotland, UK, 11-14/04/2011.

	Schleppi P., Krause K., 2010: Interactions between the N and C cycles in forests and how does the atmosphere chemistry impact forest ecosystems. 1st Conference COST Action FP0903 Research, monitoring and modelling in the study of climate change and air pollution impacts on forest ecosystems, Roma, IT, 05-07/10/2010

posters

	Krause K., Cherubini P., Bugmann H., Schleppi P., 2011: Does elevated nitrogen deposition increase carbon sequestration? Tree-ring lessons from a long-term N-addition experiment. Eurodendro 2011, Engelberg, CH, 19-23/10/2011.

	Krause K., Niklaus P.A., Schleppi P., 2011: Greenhouse gas exchanges of the soil in a mountain forest subjected to N addition and after girdling Norway spruce trees. COST FP0601 Final Workshop Managed forest in future landscapes, Santiago de Compostela, ES, 08-11/05/2011.

	Krause K., Providoli I., Currie W.S., Bugmann H., Schleppi P., 2011: Tracing of ¹⁵N in a mountain spruce forest: comparison of experimental data with the TRACE model. Jahrestag. Bodenkd. Ges. Schweiz Knappe Ressource Boden: eine Herausforderung, Frauenfeld, CH, 10-11/02/2011.

	Krause K., Niklaus P.A., Hartmann A., Schleppi P., 2010: Nitrate leaching and greenhouse gas fluxes after tree girdling in a long-term low-dose N addition experiment at Alptal, Switzerland. 6th Scientific Meeting COST Action FP0601 Water related ecosystem services of forests, Antalya, TR, 24-26/03/2010.