A model for predicting log yield from stand characteristics
作者:
LjuskOla Eriksson,
Ola Sallnäs,
期刊:
Scandinavian Journal of Forest Research
(Taylor Available online 1987)
卷期:
Volume 2,
issue 1-4
页码: 253-261
ISSN:0282-7581
年代: 1987
DOI:10.1080/02827588709382462
出版商: Taylor & Francis Group
关键词: diameter distribution;Weibull distribution;parameter recovery;bucking
数据来源: Taylor
摘要:
A method for forecasting the log‐class distribution resulting from harvesting forest stands is investigated. The diameter distribution of a stand is approximated by a two‐parameter Weibull density function, the parameters of which are recovered from stand level characteristics. Theoretical bucking is performed for actual and simulated distributions and the resulting log yields are compared. An application to 40 stands indicates that an accurate prognosis can be expected, given a good approximation of the diameter distribution. For cases with multimodal diameter distributions or many small trees, the prognosis is unreliable.
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