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Research

The Chair of Forest Growth and Dendroecology at the University of Freiburg pursues a comprehensive approach to understanding forest ecosystems through various research foci.

  • Forest growth and environment
    Investigation of growth processes as a function of genetics, location, biotic and abiotic interactions
  • Trees as a natural resource and carbon storage
    Development of principles for the sustainable production of renewable raw materials in various land use systems
  • Trees as environmental archives
    Reconstruction of climate and environmental changes as well as structures and processes in forest ecosystems
  • Methodological foundations of forest growth research
    Development of methods to quantitatively record, analyse and predict tree growth

These research areas are interlinked and contribute to a holistic understanding of forest ecosystems and to the support of sustainable forestry practices that can adapt to and mitigate the effects of environmental changes.

Research focus

Research focus

Forest growth and environment

This area investigates the complex relationships between tree growth and environmental factors, including genetics, soil conditions and interactions with biotic (e.g. pests, diseases) and abiotic (e.g. climate, soil nutrients) factors. The aim is to understand how these variables influence forest productivity and resilience, especially in the context of global environmental changes such as climate change.

Research focus

Trees as a natural resource and carbon storage

Research in this area focuses on the role of forests in providing renewable natural resources, such as timber, while acting as significant carbon sinks. Work in this area aims to develop sustainable management practices that optimise the production of these resources without compromising the forest’s ability to sequester carbon, which is critical to mitigating climate change.

Research focus

Trees as archive of environmental conditions

This area of research uses dendroecology, which examines tree rings and other structural features to reconstruct historical environmental conditions. By analyzing these natural archives, scientists can infer past climate fluctuations, disturbances (such as fires or droughts) and long-term ecological changes, providing valuable insights into how forests have responded to environmental stresses over the centuries.

Research focus

Methods of forest growth research

The development and refinement of quantitative methods is essential for the accurate assessment and prediction of forest growth. This includes the use of dendrometers, laser scanners and advanced statistical models to monitor and analyse growth patterns at different scales, from individual trees to entire forest stands. These methods are crucial for both basic ecological research and applied forestry.

Research infrastructure

The Chair of Forest Growth and Dendroecology conducts research on a large number of experimental plots and is equipped with a wide range of modern research facilities, which enable analysing the growth of trees from the cellular level to the stand level. An in-house tree ring measurement laboratory, equipped with a variety of devices for the preparation and analysis of microcores, increment cores and stem discs, supports the work of the researchers. In addition, the researchers have access to a precision mechanics and electronics workshop as well as an extensive stem disc archive. Various remote sensing techniques are used to analyse the three-dimensional structure of individual trees and stands. The remote sensing platforms used include a terrestrial laser scanner with which high-resolution 3D data can be recorded. This data can then be analysed and interpreted using modern and powerful workstations.

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New publications

  • Antoine E, Marquer L, Muigg B, Tegel W, Bisson U, Bolliger M, Herzig F, Heussner K-U, Hofmann J, Kontic R, Kyncl T, Land A, Lechterbeck J, Leuschner HH, Linderholm HW, Neyses-Eiden M, Rösch M, Rzepecki A, Walder F, Weidemüller J, Westphal T, Seim A (2024) Legacy of last millennium timber use on plant cover in Central Europe: Insights from tree rings and pollen. Sci Total Environ 922:171157. https://doi.org/10.1016/j.scitotenv.2024.171157
  • Diodato N, Seim A, Ljungqvist FC, Bellocchi G (2024) A millennium-long perspective on recent groundwater changes in the Iberian Peninsula. Commun Earth Environ 5. https://doi.org/10.1038/s43247-024-01396-6
  • Ecke S, Stehr F, Frey J, Tiede D, Dempewolf J, Klemmt H-J, Endres E, Seifert T (2024) Towards operational UAV-based forest health monitoring: Species identification and crown condition assessment by means of deep learning. Computers and Electronics in Agriculture 219:108785. https://doi.org/10.1016/j.compag.2024.108785