Abstract
Abstract The drooping birch (Betula pendula) occupies a significant part of the territory of the forest fund, and in the forest-steppe zone it often performs the function of a dominant. Silver birch is one of the most intensively synthesizing aboveground phytomass tree species of the boreal zone. The purpose of the research is to identify patterns in the distribution of the phytomass of leaf blades of birch forest stands, taking into account regional standards, and to compare the results with the general tables of biological productivity. As a result, it was found that the tables of biological productivity for all categories of plantations (complete, modal) overestimate information about the final leaf weight. The closest results were obtained for modal forest stands in Siberia. The role of the structure in determining the phytomass of leaves can be from 5 to 35%, taking into account the distribution of trees by diameter. When assessing the phytomass of birch stands, it is necessary to strive to use local tables of the weight of individual tree fractions and distribution series that correspond to the maximum extent to the structure of these stands.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
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Claims 4
Claim · model-written summary
The tables of biological productivity overestimate the final leaf weight of birch stands.
- Taxon
- Betula pendula
Betula pendulae0 - Outcome
- final leaf weighte1
- Direction
- overestimatee1
- Comparator
- the tables of biological productivitye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The drooping birch (Betula pendula) occupies a significant part of the territory of the forest fund”
e1“the tables of biological productivity for all categories of plantations (complete, modal) overestimate information about the final leaf weight”
Claim · model-written summary
The closest agreement with measured results for birch was obtained for modal forest stands in Siberia.
Verbatim
e0“The drooping birch (Betula pendula) occupies a significant part of the territory of the forest fund”
e2“The closest results were obtained for modal forest stands in Siberia”
Claim · model-written summary
The role of stand structure in determining leaf phytomass of birch is from 5 to 35%.
Verbatim
e0“The drooping birch (Betula pendula) occupies a significant part of the territory of the forest fund”
e3“The role of the structure in determining the phytomass of leaves can be from 5 to 35%”
Claim · model-written summary
Local tables of the weight of individual tree fractions should be used to assess birch stand phytomass.
Verbatim
e5“When assessing the phytomass of birch stands”
e4“it is necessary to strive to use local tables of the weight of individual tree fractions”