Conversion of Braun-Blanquet codes to cover percentage
Source:R/braun_blanquet-data.R
braun_blanquet-data.Rd
Cover values conversion as coverconvert object.
Object of class coverconvert contains conversion tables usually from a categorical variable (a cover scale) to a numerical one (equivalent percentage cover value). Cover values are stored as range for each level in the scale (minimum and maximum cover value).
Format
An object of class coverconvert
.
Examples
names(braun_blanquet)
#> [1] "br_bl" "b_bbds" "ordin."
summary(braun_blanquet)
#> ## Number of cover scales: 3
#>
#> * scale 'br_bl':
#> Levels Range
#> 1 r 0 - 1
#> 2 + 0 - 1
#> 3 1 1 - 5
#> 4 2 5 - 25
#> 5 3 25 - 50
#> 6 4 50 - 75
#> 7 5 75 - 100
#>
#> * scale 'b_bbds':
#> Levels Range
#> 1 r 0 - 1
#> 2 + 0 - 1
#> 3 1 1 - 5
#> 4 2m 1 - 5
#> 5 2a 5 - 15
#> 6 2b 15 - 25
#> 7 3 25 - 50
#> 8 4 50 - 75
#> 9 5 75 - 100
#>
#> * scale 'ordin.':
#> Levels Range
#> 1 1 0 - 1
#> 2 2 0 - 1
#> 3 3 1 - 5
#> 4 4 1 - 5
#> 5 5 5 - 15
#> 6 6 15 - 25
#> 7 7 25 - 50
#> 8 8 50 - 75
#> 9 9 75 - 100
#>
summary(braun_blanquet$b_bbds)
#> ## Number of cover scales: 1
#>
#> * scale 'b_bbds':
#> Levels Range
#> 1 r 0 - 1
#> 2 + 0 - 1
#> 3 1 1 - 5
#> 4 2m 1 - 5
#> 5 2a 5 - 15
#> 6 2b 15 - 25
#> 7 3 25 - 50
#> 8 4 50 - 75
#> 9 5 75 - 100
#>