Skip to contents

The global wood density database

Source: R/data_documentation.R
wdData.Rd

The global wood density database (Chave et al. 2009, Zanne et al. 2009).

Usage

data("wdData")

Format

A data frame with 16467 observations on the following 7 variables.

  • family: a character vector indicating the family

  • genus: a character vector indicating the genus

  • species: a character vector indicating the species

  • wd: a numeric vector of wood densities (g/cm^3)

  • region: a character vector of regions (see getWoodDensity())

  • referenceNumber: a numeric vector of reference numbers (bibliography)

  • regionId: a character vector of region ids

Source

Zanne et al. Global wood density database. Dryad. Identifier: http://datadryad.org/handle/10255/dryad.235 (2009).

Details

This dataset is used in the function getWoodDensity(), to estimate a taxon-average wood density value.

References

Chave et al. (2009) Towards a worldwide wood economics spectrum. Ecology letters 12:4, 351-366.

Examples

data(wdData)
str(wdData)
#> 'data.frame':	16467 obs. of  7 variables:
#>  $ family         : chr  "Fabaceae" "Fabaceae" "Fabaceae" "Fabaceae" ...
#>  $ genus          : chr  "Abarema" "Abarema" "Abarema" "Abarema" ...
#>  $ species        : chr  "jupunba" "jupunba" "jupunba" "jupunba" ...
#>  $ wd             : num  0.78 0.66 0.551 0.534 0.551 0.5 0.52 0.438 0.353 0.4 ...
#>  $ region         : chr  "South_America_(tropical)" "South_America_(tropical)" "South_America_(tropical)" "South_America_(tropical)" ...
#>  $ referenceNumber: int  114 198 52 65 189 204 45 167 28 7 ...
#>  $ regionId       : chr  "SouthAmericaTrop" "SouthAmericaTrop" "SouthAmericaTrop" "SouthAmericaTrop" ...
#>  - attr(*, "na.action")= 'omit' Named int 12150
#>   ..- attr(*, "names")= chr "12150"