Modeling production processes in forest stands: An adaptation of the Solow growth model : научное издание

Тип публикации: статья из журнала

Год издания: 2018

Идентификатор DOI: 10.3390/f9070391

Ключевые слова: Components of phytomass, forest stands, Modeling of growth processes, net primary production (NPP)

Аннотация: The model of forest stand growth proposed in this study is based on R. Solow's model of economic growth. The variables introduced into the model are the "capital" (the phytomass of the non-synthesizing tree components in the stand-the stem, roots, and branches) and the "labor" (the phytomass of the photosynthesizing tree components in the stand-leaves or needles). Root phytomass is calculated with a special independent model. The process of energy production by the trees is described with the Cobb-Douglas equation. The proposed approach is used to describe growth processes in the forest stands comprising various species in Siberia and the age dynamics of net primary production. The model can explain a number of effects (such as death of the forest stand after the needles have been consumed by defoliating insects) that cannot be explained by standard logistic models.

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Издание

Журнал: Forests

Выпуск журнала: Т. 9, 7

Номера страниц: 391

ISSN журнала: 19994907

Авторы

  • Soukhovolsky V. (Sukachev Institute of Forest SB RAS,Federal Research Center 'Krasnoyarsk Science Center SB RAS')
  • Ivanova Y. (Institute of Biophysics SB RAS,Federal Research Center 'Krasnoyarsk Science Center SB RAS')

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