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Implementing tree models as forest management tools

In Europe, there is a strong movement towards the management of uneven-aged mixed forests. This is based on the idea that uneven-aged, mixed-species stands increase, or at least maintain, soil fertility, increase biodiversity and improve stand resilience. The shift from even-aged forest management renders existing yield tables increasingly unreliable. One possibility of forecasting forest growth in uneven-aged mixed stands is to develop stand growth models that operate at the individual tree level. The purpose of this project is to establish a unique platform of model developers, state agencies and forest companies to enhance existing models, to support those partners in the consortium who have little experience in tree modelling, and demonstrate the usefulness of tree models as forest management tools according to the nine defined application problems.

The objectives of the project are:
1) to establish a platform of a model developer and end user
2) to research missing knowledge
3) to demonstrate the problem-solving potential based on examples.

The demonstration of the problem-solving potential will be shown using the following examples:
1) regeneration (establishment and growth)
2) harvesting scenarios in mixed stands
3) developing a decision support system
4) using models beyond the calibration area
5) forest policy and silviculture
6) assessing multi-functional aspects of forest biodiversity, (scenic beauty, recreation, risk analyses)
7) cork production within oak stands
8) conversion scenarios (pure vs. mixed)
9) tree models within coppice forests.

Progress to Date
The second year report has been completed and all the research aspects concluded successfully. The project is now in the final demonstration part. The programme is running very well and the group involved in the work is highly motivated.

Several papers relating to the above-mentioned topics have been produced, some of which have already been published. Two annual reports, including full coverage of the work progress, have been prepared and a book is being produced as part of the final report.


Scientist responsible for the project

Peter Jordan Str. 82
1190 Wien
Austria - AT

Phone: +43 1 476544205
Fax: +43 1 476544242


Project ID QLRT-1999-31349
Organisation Institute of Forest Growth Research, University of Natural Resources and Applied Life Sciences
Area 5.3.1
Start date 01 February 2001
Duration (months) 36
Total cost 1 668 600 €
Total EC contribution   1 450 000 €
Status Ongoing
Web address of the project

The partners

  • Danish Forest and Landscape Institute, Denmark - DK
  • Institute of Forest Growth Research, University of Natural Resources and Applied Life Sciences, Austria - AT
  • National Agricultural Research Foundation (NAGREF), Greece - GR

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