Eko_PM_2008_MAI_MAX_estimate_smoothed: MAI max as estimated by smoothing function in Ekö PM et al...

In Silviculturalist/forester: Forest Science and Forestry

MAI max as estimated by smoothing function in Ekö PM et al 2008.

Description

MAI max as estimated by smoothing function in Ekö PM et al 2008.

Usage

Eko_PM_2008_MAI_MAX_estimate_smoothed(
  species,
  SI,
  county,
  altitude,
  vegetation
)

Arguments

species	One of : "Betula pendula", "Betula pubescens","Picea abies", "Pinus sylvestris"
SI	Site Index. OBSERVE: H100 for Picea abies, H100 for Pinus sylvestris, H50 for Betula spp. For Picea abies northern Sweden [forester::Hagglund_1972_northern_Sweden_Height_trajectories_Spruce()]. For Picea abies southern Sweden e.g. [forester::Hagglund_1973_southern_Sweden_Height_trajectories_Spruce()]. For Pinus sylvestris e.g. [forester::Hagglund_1974_Sweden_height_trajectories_Pine()]. For Betula pendula / Betula pubescens e.g. [forester::Eriksson_1997_height_trajectory_Sweden_Birch()]. If SIH not available, use Site factors: e.g. [forester::SIS_estimate], for Birch: [forester::Eko_PM_2008_stand_factors_estimate_SI_Sweden_Birch()]
county	Swedish county, e.g. [forester::county_sweden()]
altitude	Meters above sea level.
vegetation	Vegetation type according to code following Swedish National forest inventory FALTSKIKT: Code Vegetation 1 Rich-herb without shrubs 2 Rich-herb with shrubs/bilberry 3 Rich-herb with shrubs/lingonberry 4 Low-herb without shrubs 5 Low-herb with shrubs/bilberry 6 Low-herb with shrubs/lingonberry 7 No field layer 8 Broadleaved grass 9 Thinleaved grass 10 Sedge, high 11 Sedge, low 12 Horsetail, Equisetum ssp. 13 Bilberry 14 Lingonberry 15 Crowberry 16 Poor shrub 17 Lichen, frequent occurrence 18 Lichen, dominating

Value

Numeric. MAI max.

Source

Ekö, P-M, Johansson, U., Petersson, N. Bergqvist, J., Elfving, B., Frisk, J. (2008) Current growth differences of Norway spruce (Picea abies), Scots Pine (Pinus sylvestris) and birch (Betula pendula and Betula pubescens) in different regions in Sweden. Scandinavian Journal of Forest Research Vol. 23:4. p. 307-318. DOI: https://doi.org/10.1080/02827580802249126

Examples

Eko_PM_2008_MAI_MAX_estimate_smoothed(species="Picea abies",SI=36county="Kronoberg",altitude=100,vegetation=4)

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