Persson_1992_mortality_diameter_quotient_Pine: Diameter ratio of the mortality stems in stands of Scots Pine...

In Silviculturalist/forester: Forest Science and Forestry

Diameter ratio of the mortality stems in stands of Scots Pine from Persson (1992)

Description

Diameter ratio of the mortality stems in stands of Scots Pine from Persson (1992)

Usage

Persson_1992_mortality_diameter_quotient_Pine(dominant_height, stems, thinned)

Arguments

dominant_height	Dominant height, m.
stems	Stems per hectare
thinned	TRUE / FALSE if the thinning removal at the start of the period is at least 10% of the basal area, 1, otherwise 0.

Details

number of growth periods: 1134

Coefficient of determination: 0.188

Standard deviation about the function (sf): 0.309

(sf)/standard deviation about the mean: 90.2 %

Value

Ratio between the diameter of self-thinned stems and the diameter of the remaining stems.

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. 61. pp. 206.

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