Carbon Budget of Boreal Forests.
Lesson 2: Methodology
of the Estimations.
6. STEM BIOMASS


Stem volume in this study includes all the wood and barks above the highest root collar that hampers cutting.
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Stem biomass

- Stem volume in this study includes all the wood and barks above the highest root collar that hampers cutting.

- Mitscherlich's function was used for pine stand growth calculation. This function describes satisfactorily general regularities in the growth of living organisms.

- The biomass ratio (wood density) varies substantially in relation to the quality of site, position of tree, age and the section of stem.

- Wood density is lower in young trees compared to mature trees, and lower on fertile sites compared to that on poor sites.

- The overall mean wood density for Scots pine 381 kg m-3 was applied in calculations.
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