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|Title:||An area-based matrix model for uneven-aged forests|
|Authors:||SALLNAES PETTER; BERGER Ambros; RÄTY MINNA; TRUBINS Renats|
|Citation:||FORESTS vol. 6 no. 5 p. 1500-1515|
|Type:||Articles in periodicals and books|
|Abstract:||In this paper a new concept for modeling uneven-aged forests (UEAF) is presented. The term UEAF in this article encloses all forests that deviate from the even-aged structure. The matrix model is area-based, in that the forest under study is described by a distribution of areas over fixed state-spaces spanned by stem number and volume per hectare classes. Dynamics is introduced as transitions of areas inside the state-space during the simulation. Harvesting activities and the occurrence of calamities are explicitly handled. The model is designed to be suitable for large-scale analyses. The concept was tested in an application to Austrian National Forest Inventory (NFI) data. Results shown, including a comparison to older inventory data, indicate that it is worth further elaborating on the concept and the model. The work will be continued and in the next step the model concept will be applied in several other countries.|
|JRC Directorate:||Sustainable Resources|
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