Full text of this article is only available in PDF format.

Pekka Kilkki (email), Matti Maltamo, Reijo Mykkänen, Risto Päivinen

Use of the Weibull function in estimating the basal area dbh-distribution.

Kilkki P., Maltamo M., Mykkänen R., Päivinen R. (1989). Use of the Weibull function in estimating the basal area dbh-distribution. Silva Fennica vol. 23 no. 4 article id 5392. https://doi.org/10.14214/sf.a15550

Abstract

The paper continues an earlier study by Kilkki and Päivinen concerning the use of the Weibull function in modelling the diameter distribution. The data consists of spruces (Picea abies (L.) H. Karst.) measured on angle count sample points of the National Forest Inventory of Finland. First, maximum likelihood estimation method was used to derive the Weibull parameters. Then, regression models to predict the values of these parameters with stand characteristics were calculated. Several methods to describe the Weibull function by a tree sample were tested. It is more efficient to sample the trees at equal frequency intervals than at equal diameter intervals. It also pays to take separate samples for pulpwood and saw timber.

The PDF includes an abstract in Finnish.

Keywords
Picea abies; distribution; diameter; Weibull function; maximum likelihood; estimation

Published in 1989

Views 9794

Available at https://doi.org/10.14214/sf.a15550 | Download PDF

Creative Commons License CC BY-SA 4.0

Register
Click this link to register to Silva Fennica.
Log in
If you are a registered user, log in to save your selected articles for later access.
Contents alert
Sign up to receive alerts of new content

Your selected articles
Send to email
Kallio T., Norokorpi Y. (1972) Butt rot in a Norway spruce stand Silva Fennica vol. 6 no. 1 article id 4861 (remove) | Edit comment
Almqvist C., Jansson G. (2015) Effects of pruning and stand density on cone and.. Silva Fennica vol. 49 no. 4 article id 1243 (remove) | Edit comment
Ryynänen L., Ryynänen M. (1986) Propagation of adult curly-birch succeeds with t.. Silva Fennica vol. 20 no. 2 article id 5269 (remove) | Edit comment
Kallio K., (1957) On the development of spruce forests of the Oxal.. Acta Forestalia Fennica vol. 66 no. 3 article id 7473 (remove) | Edit comment
Dzerdzeevskii B. L., (1963) Study of the heat balance of the forest. Silva Fennica vol. 0 no. 113 article id 4714 (remove) | Edit comment
Riihinen P., (1963) Trends in South America's coniferous forest reso.. Silva Fennica vol. 0 no. 113 article id 4712 (remove) | Edit comment
Mikola P., (1969) Article review: Fundamental studies to improve p.. Silva Fennica vol. 3 no. 3 article id 4805 (remove) | Edit comment
Kellomäki S., Hänninen H. et al. (1992) A simulation model for the succession of the bor.. Silva Fennica vol. 26 no. 1 article id 5468 (remove) | Edit comment
Kokkonen P., (1926) Observations on the structure of soil frost Acta Forestalia Fennica vol. 30 no. 3 article id 7198 (remove) | Edit comment
Renvall A., (1919) Protection forests VI. Acta Forestalia Fennica vol. 11 no. 6 article id 7026 (remove) | Edit comment
Heikurainen L., Päivänen J. et al. (1966) Scots pine seeding and planting on drained peat .. Silva Fennica vol. no. 119 article id 4731 (remove) | Edit comment
Niemistö P., Kilpeläinen H. et al. (2018) Effect of first thinning type and age on growth,.. Silva Fennica vol. 52 no. 2 article id 7816 (remove) | Edit comment
Mikola P., (1965) Studies on the ectendotrophic mycorrhiza of Scot.. Acta Forestalia Fennica vol. 79 no. 2 article id 7160 (remove) | Edit comment
Morgenstern E. K., Park Y. S. (1991) Breeding of Picea mariana (Mill.) B.S.P.: seed o.. Silva Fennica vol. 25 no. 4 article id 5467 (remove) | Edit comment
Yli-Vakkuri P., Räsänen P. K. et al. (1968) Cold-storage and its effects on the field surviv.. Acta Forestalia Fennica vol. 0 no. 88 article id 7188 (remove) | Edit comment
Kokkonen P., (1934) Conditions of forestry in land plots formed in t.. Acta Forestalia Fennica vol. 40 no. 28 article id 7305 (remove) | Edit comment
Kilkki P., Maltamo M. et al. (1989) Use of the Weibull function in estimating the ba.. Silva Fennica vol. 23 no. 4 article id 5392 (remove) | Edit comment
Your search results