Agestam_1985_bark_subtraction_Pine: Bark subtraction function for Pine from Agestam 1985
In Silviculturalist/forester: Forest Science and Forestry

View source: R/Agestam_1985.R

Agestam_1985_bark_subtraction_Pine

R Documentation

Bark subtraction function for Pine from Agestam 1985

Description

Bark subtraction function for Pine from Agestam 1985

Usage

Agestam_1985_bark_subtraction_Pine(
  basal_area_over_bark_Pine,
  SI_Pine,
  latitude
)

Arguments

`basal_area_over_bark_Pine`	Basal area Pine including bark, m2/ha.
`SI_Pine`	Site Index H100 for Scots Pine from Hägglund (1974)
`latitude`	Latitude, degrees.

Details

Material:

Number of plots: 143

Multiple correlation coefficient: 0.982

Standard deviation about the function (sf) : 0.085

sf/standard deviation about the mean: 19%

Value

Bark area at breast height for Pine, m2/ha.

Source

Agestam, E. (1985) 'A growth simulator for mixed stands of pine, spruce and birch in Sweden. Diss. Swedish University of Agricultural Sciences. Report no. 15. Dept. of Forest Yield Research. ISSN 0348-7636. ISBN 91-576-2528-x. 150 pp. Garpenberg, Sweden; page. 46.

Silviculturalist/forester documentation built on April 20, 2024, 2:13 p.m.