Hagglund_1981_initial_basal_area: Basal area for stand initiation from Hägglund (1981)

In Silviculturalist/forester: Forest Science and Forestry

Basal area for stand initiation from Hägglund (1981)

Description

Basal area for stand initiation from Hägglund (1981)

Usage

Hagglund_1981_initial_basal_area(
  species,
  region_code,
  dominant_height_m,
  altitude_m,
  SI,
  vegetation
)

Arguments

species	"Picea abies" or "Pinus sylvestris".
region_code	1-5. 1: Lappmarken, 2: Norr-& Västerbottens kustland & Jämtland, Kopparberg - Sälen-Idre. 3: Västernorrland, Gävleborg, Kopparberg -övrigt , Värmland. 5: Gotland, Skåne, Halland, Blekinge, Göteborg & Bohus.
dominant_height_m	Dominant height of stand, meters.
altitude_m	Meters above sea level.
SI	Site index H100 of species.
vegetation	1-18.

Value

list of 3 elements: 1. Basal Area m^2/ha. 2. Multiple Coefficient of Correlation for used function. 3. Spread about the function, m^2/ha.

Source

Hägglund, Björn (1981) Samband mellan ståndortsindex H100 och bonitet för tall och gran i Sverige. Projekt HUGIN. Rapport 26. Skogsvetenskapliga fakultet. Sveriges Lantbruksuniversitet. Umeå.

Examples

Hagglund_1981_initial_basal_area(species="Picea abies",region_code = 5,dominant_height_m = 10,altitude_m = 0,SI = 36,vegetation = 1)

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