Abstract
In an unmanaged woodland, forest development follows a succession of periods of undisturbed natural growth, interrupted by intermediate loss or damage of trees caused by fire or wind or other natural hazards. In a managed woodland, the most important periodic disturbances are the thinning operations, which are often carried out at regular intervals and which usually have a significant effect on the future evolution of the resource. Thus, a realistic model of forest development includes both natural growth and thinnings.
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During the 19th century, the Weiserverfahren and the Streifenverfahren were the most popular methods for obtaining growth information rapidly (Kramer, 1988, p. 97). In the approach known as Weiserverfahren the growth of single trees was reconstructed using stem analysis techniques (Hartig, 1868). Another method known as the Streifenverfahren was used for gathering data in numerous normally stocked temporary plots of different ages and site qualities to develop yield tables (Baur, 1877).
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© 1999 Springer Science+Business Media Dordrecht
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Von Gadow, K., Hui, G. (1999). Introduction. In: Modelling Forest Development. Forestry Sciences, vol 57. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4816-0_1
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DOI: https://doi.org/10.1007/978-94-011-4816-0_1
Publisher Name: Springer, Dordrecht
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