Models for predicting aboveground biomass of European beech (Fagus sylvatica L.) in the Czech Republic

M. Vejpustková, D. Zahradník, T. Čihák and V. Šrámek
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M. Vejpustková: Forestry and Game Management Research Institute, Jíloviště, Czech Republic
D. Zahradník: Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic
T. Čihák: Forestry and Game Management Research Institute, Jíloviště, Czech Republic
V. Šrámek: Forestry and Game Management Research Institute, Jíloviště, Czech Republic

Journal of Forest Science, 2015, vol. 61, issue 2, 45-54

Abstract: We developed optimal models for predicting the aboveground biomass of European beech (Fagus sylvatica L.) applicable to the national forest inventory data of the Czech Republic. The models were based on a data set of 81 beech trees collected in 19 stands that represent a wide range of stand and site conditions. The relationship between biomass and tree dimensions (diameter D, height H) was modelled using non-linear regression equations with one (D) or two (D, H) independent variables and two or three parameters (D2, DH2, DH3 models). Subsequently additional predictor variables, i.e. tree age, site index and altitude, were added to the basic models. The inclusion of tree age (T) and altitude (A) in the basic DH2 model resulted in the best model for aboveground biomass (DH2AT model). The altitude (A) and site index (S) were important predictors for stem biomass estimate (DH3AS model). Similarly, branch biomass was predicted in the best way by four-variable model DH2AS.

Keywords: beech; biomass function; temperate forests; tree allometry; wood density (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:61:y:2015:i:2:id:100-2014-jfs

DOI: 10.17221/100/2014-JFS

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