Hagglund_1981_initial_stem_count: Stem Count for Stand Initiation from Hägglund (1981)
In Silviculturalist/forester: Forest Science and Forestry

View source: R/Hagglund_1981_initial_stem_count.R

Hagglund_1981_initial_stem_count

R Documentation

Stem Count for Stand Initiation from Hägglund (1981)

Description

Stem Count for Stand Initiation from Hägglund (1981)

Usage

Hagglund_1981_initial_stem_count(
  SI,
  altitude_m,
  vegetation,
  species,
  dominant_height_m,
  region_code
)

Arguments

`SI`	Site Index H100 for species.
`altitude_m`	Meters above sea level.
`vegetation`	1-18
`species`	"Picea abies" or "Pinus sylvestris".
`dominant_height_m`	Dominant height of stand, meters.
`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.

Value

list of 3 elements: 1. Stem Count/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.

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