POSSIBILITIES OF MATHEMATICALLY PREDICTING TIMBER PRODUCTION IN COMMERCIAL FORESTS

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  • 経済林における木材生産の科学的予測の可能性
  • 経済林における木材生産の科学的予測の可能性〔英文〕
  • ケイザイ リン ニ オケル モクザイ セイサン ノ カガクテキ ヨソク ノ カ

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This contribution begins with a description of the relationship among economic processes, ecology, and forest production along with a presentation of some basic principles of forestry. The principle of sustained yield in forestry and the efforts toward attaining ecological stability are discussed. A stochastic growth model for even-aged forest stands is presented, in which a stochastic differential equation of Itô-type is used and verified. The model was verified by graphical comparisons in the　marginal distribution functions and correlation functions of the process.

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