Agestam_1985_basal_area_annual_increment_under_bark_Pine: Basal area growth function for Pine from Agestam 1985

In Silviculturalist/forester: Forest Science and Forestry

Basal area growth function for Pine from Agestam 1985

Description

Basal area growth function for Pine from Agestam 1985

Usage

Agestam_1985_basal_area_annual_increment_under_bark_Pine(
  basal_area_Pine_m2_ha_after_thinning,
  stem_count_Pine,
  age_at_breast_height_period_start,
  SI_H100_Pine,
  basal_area_other_species_m2_ha_after_thinning,
  diameter_mean_basal_area_stem_Pine_cm,
  diameter_mean_basal_area_stem_all_species_cm,
  increment_period_years
)

Arguments

basal_area_Pine_m2_ha_after_thinning	Basal area of Pine after thinning, under bark. m2/ha.
stem_count_Pine	Number of Pine stems per ha after thinning.
age_at_breast_height_period_start	Age at breast height for Pine at the period start.
SI_H100_Pine	Site index H100 for Pine according to height trajectory defined in Hägglund, 1974.
basal_area_other_species_m2_ha_after_thinning	Basal area under bark of other species after thinning, under bark. m2/ha.
diameter_mean_basal_area_stem_Pine_cm	Diameter corresponding to mean basal area under bark, Pine. cm.
diameter_mean_basal_area_stem_all_species_cm	Diameter corresponding to mean basal area under bark, all species on plot. cm.
increment_period_years	Length of increment period, in years.

Details

Material:

Number of growth periods: 505

Multiple correlation coefficient: 0.888

Standard deviation about the function (sf) : 0.245

sf/standard deviation about the mean: 46%

Value

Annual basal area growth under bark 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. 29.

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