BA99module: Predicts and/or projects stand basal area for other species

In sgezan/Nothopack: G&Y Forest Simulator for Roble-Rauli-Coigue Stands in Chile

Description

Evaluates stand-level input variables to predict or project basal area for other species. Projections are based in 1 year increments.

Usage

BA99module(
  BA990 = NA,
  AD0 = NA,
  PNHAN0 = NA,
  PNHAN1 = NA,
  PBAN0 = NA,
  PBAN1 = NA,
  projection = FALSE
)

Arguments

BA990	Basal area (m2/ha) of other species at current time (required for projections)
AD0	Dominant age (years) of the stand at current time
PNHAN0	Proportion of number of trees of Nothofagus (trees/ha) of the stand at time 0
PNHAN1	Proportion of number of trees of Nothofagus (trees/ha) of the stand at time 1
PBAN0	Proportion of basal area (m2/ha) of Nothofagus of the stand at time 0
PBAN1	Proportion of basal area (m2/ha) of Nothofagus of the stand at time 1
projection	if TRUE projection from BA0 is executed for a 1 year increment

Value

Basal area for other species (BA99, m2/ha) for the current age (for prediction) or at AD0+1 (for projection)

Author(s)

S.A. Gezan, S. Palmas and P. Moreno

References

Gezan, S.A. and Ortega, A. (2001). Desarrollo de un Simulador de Rendimiento para Renovales de Roble, Rauli y Coigue. Reporte Interno. Projecto FONDEF D97I1065. Chile

Examples

# Example 1: Predicts Basal Area
BA99est <- BA99module(AD0=19, PNHAN0=0.81, PBAN0=0.91, projection=FALSE)
BA99est$BA990

# Example 2: Projects Basal Area
BA99est <- BA99module(BA990=3.2, AD0=19, PNHAN0=0.81, PNHAN1=0.81,
                      PBAN0=0.91, PBAN1=0.91, projection=TRUE)$BA991
BA99est

sgezan/Nothopack documentation built on April 25, 2021, 8:03 a.m.