About us

Our team is interested in how land ecosystems, climate change and land-use change interact globally and regionally. We explore through a range of modelling approaches challenges and solutions to sustainable development arising from land system dynamics. We are based at the Campus Alpin of the Karlsruhe Institute of Technology, located in the town of Garmisch-Partenkirchen in Southern Germany.

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Themes

Land-climate-interactions

How do land and climate interact? Climate is a chief co-determinant of vegetation cover and carbon, water and nutrient cycles. Climate change, including the increasing levels of CO2 in the atmosphere, therefore will cause biomes’ boundaries to shift, and impact biodiversity and numerous processes in terrestrial ecosystems.

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Ecosystem functional diversity and services

Life together with climate and other abiotic drivers is the basis to the state and functioning of the ecosystems. Although we do not fully understand the entirety of consequences of our doing, humanity is exploiting, in many places over-exploiting, ecosystems around the world: to gather resources, as space for human living, and for agriculture, forestry, and many other forms of use.

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Impacts and future of land use

Land provides the basis for our livelihoods – but the current extend of human influence, magnitude and rate of change of resource use is historically unprecedented and not sustainable. The way humans make use of terrestrial ecosystems clearly will have to improve, especially since changing climate and rising CO2 concentrations will become additional key factors, which affect growing conditions for crops, pastures, and forests.

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News

Moorgebiet in Oberbayern mit Moorkiefern und kleinem See, Deutschland

IPCC publishes the 6th Assessment Report of its WG2

The report repeats the warnings the scientific community has been expressing for years. Global warming, reaching 1.5°C in the near-term, is expected to cause unavoidable increases in multiple climate hazards and present multiple risks to both ecosystems and humans.

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Static chamber for greenhouse gas source strength determination, in-situ greenhouse gas measurements, biological nitrogen fixation, legume intercropping, grassland

Modeling symbiotic biological nitrogen fixation in grain legumes globally with LPJ-GUESS

Biological nitrogen fixation (BNF) from grain legumes is of significant importance in global agricultural ecosystems. Crops with BNF capability are expected to support the need to increase food production while reducing nitrogen (N) fertilizer input for agricultural sustainability, but quantification of N fixing rates and BNF crop yields remains inadequate on a global scale.

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Prof. Almut Arneth

Almut is one of the Gottfried Wilhelm-Leibniz Price winners 2022

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