stand_data_ecl_example: stand_data_ecl_example
In paul-carteron/SimCop: SimCop

Description Usage Format

A dataset containing 50 simulations with 7 thinnings from SimCop corresponding to :

Initial densities stem/ha : 1111
Fertility : 34 (dominant height at 50 year)
50 repetitions are made for each pair of modalities

1	stand_data_ecl_example

A data frame with 4305 rows and 36 variables:

parameters_id: unique id for each density-fertility couple i.e. 12*3 = 36 id
thin_parameters_id: unique id for each thinning
repetitions: number id of the actual repetitions between 0 and 15 for this dataset
rotations: rotation time of the forest stand
stand_age: age of the stand during simulation
Nha: number of stem per hectare
Gha: basal area in square meters per hectare
Vha: volmue of alive trees in cubic meters per hectare
Hdom: average height of the hightest trees in the stand (100 hightest) in meters
Hg: average height of trees in the stand in meters
Cdom: quadratic mean circonference of the largest trees in the stand (100 largest) in centimeters
Cg: quadratic mean circonference of trees in the stand in centimeters
Vha_dead: volume of dead trees in cubic meters per hectare per years
Dg: quadratic mean diameter of trees in the stand in centimeters
Ddom: quadratic mean diameter of the largest trees in the stand (100 largest) in centimeters
K: value of thinning coefficient
Total_crown_cover_ha: sum of all crowns area in square meters
Out_of_cover_crown_cover_ha: sum of all crowns area out of cover in square meters
Nha_thinned: number of thinned tree per hectare
Vha_thinned: volume of thinned tree the year of the thinning in cubic meters per hectare
Gha_thinned: basal area of thinned tree the year of the thinning in cubic meters per hectare
Vha_Tot: cumulative volume of alive, thinned and dead trees in cubic meters per hectare
Vha_mean: average volume in cubic meters per tree
plot_dimension: dimension of the plot for the simulation in meters
initial_spacing: Spacing between stem in meters
fertility: stand height at 50m in meters
density: initial density of the stand in stem per hectare
ecl_name: name of csv file used for describe thinning
criteria_trigger: Criterion determining timing of thinning (Age, Hdom, RDI)
criteria_value_type: Criterion determining intensity of thinning (DensityAfterThinning or NbTreesToPickPerHa)
criteria_value: Value of criterion determining timing of thinning (years, m, -)
nb_trees_ha: Value of criterion determining intensity of thinning (trees/ha)
size_class_weights: weight for k size classes
distance_factors: minimum distance between thinned treees in a size class is obtained as product of distance factor and theoretical average distance given by an assumed regular spacing of trees
average_distance_method: assumed regular configuration of tress (triange / square) used to compute theoretical average distance between thinned trees
integer_bounds: whether size classes are formed from integer_bounded range of size variable