Persson_1992_BA_increment_Pine: Basal area increment under bark at breast height for Scots...

In Silviculturalist/forester: Forest Science and Forestry

Basal area increment under bark at breast height for Scots Pine from Persson (1992)

Description

Basal area increment under bark at breast height for Scots Pine from Persson (1992)

Usage

Persson_1992_BA_increment_Pine(
  basal_area_after_thinning,
  age_at_breast_height,
  H100,
  latitude
)

Arguments

basal_area_after_thinning	Basal area at the beginning of the period, after thinning, under bark, m2/ha
age_at_breast_height	Age at breast height
H100	Site Index after Hägglund 1974, m.
latitude	Latitude, degrees.

Details

Function no. 2. More and less detailed functions available.

number of growth periods: 1163

Coefficient of determination: 0.790

Standard deviation about the function (sf): 0.219

(sf)/standard deviation about the mean: 45.9

Value

Annual basal area increment under bark, m2/ha/yr

Source

Persson, O. (1992) En produktionsmodell för tallskog i Sverige: A growth simulator for Scots Pine (Pinus sylvestris, L.) in Sweden. Report nr. 31. Dept. of Forest Yield Research. Swedish University of Agricultural Sciences. ISSN 0348-7636. Garpenberg. p. 56. pp. 206.

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