Hynynen_2019_thinning_response: Thinning response function

In Silviculturalist/forester: Forest Science and Forestry

Thinning response function

Description

After table 3 in Hynynen, J., Eerikäinen, K., Mäkinen, H., Valkonen, S. (2019) Growth response to cuttings in Norway Spruce stands under even-aged and uneven-aged management.

Available at https://www.sciencedirect.com/science/article/pii/S0378112718318838

N.B. : Returns response in period, i.e. 0-5, 5-10, 10-15

Usage

Hynynen_2019_thinning_response(
  BasalArea,
  height_weighted_w_ba,
  REM_percent = 33,
  management = 1,
  isOMT,
  degreedays,
  CUT0.5 = F,
  CUT5.10 = F,
  CUT10.15 = F
)

Arguments

BasalArea	stand basal area, m^2ha^-1
height_weighted_w_ba	mean height weighted with basal area, m.
REM_percent	removed percentage in cutting, percent of stand basal area.
management	1 if even-aged, 2 if uneven-aged
isOMT	Binary, if site type is Oxalis-Myrtillus (mesic) )== 1
degreedays	Effective temperature sum, threshold +5°C
CUT0.5	True or False, if between 0-5 yr since thinning
CUT5.10	True or False, if between 5-10 yr since thinning
CUT10.15	True or False, if between 10-15 yr since thinning

Value

Mean annual stand basal area growth during 5-year growth period, m^2ha^-1year^-1

Examples

thinning_response_Hynonen_2019(BasalArea=30, height_weighted_w_ba=15, isOMT=F, degreedays=1577, CUT10.15=T)

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