surface_area_from_mass: Organism Surface Area from Mass

surface_area_from_massR Documentation

Organism Surface Area from Mass

Description

The function estimates surface area (m2) from mass (g) for one of a variety of taxa.

Usage

surface_area_from_mass(m, taxon)

Arguments

m

numeric vector of mass (g).

taxon

character taxonomic classification of organism, current choices: "lizard", "salamander", "frog", "insect".

Details

All models follow (SA = a Mb) with mass in grams and surface area in meters2.

  • Lizards \insertCiteNorris1965,Porter1979,Roughgarden1981,OConnor1999,Fei2012TrenchR:

    a = 0.000314 \pi
    b = 2/3

  • Salamanders \insertCiteWhitford1967,Riddell2017TrenchR:

    a = 0.000842
    b = 0.694

  • Frogs \insertCiteMcClanahan1969TrenchR:

    a = 0.00099
    b = 0.56

  • Insects \insertCiteLactin1997TrenchR:

    a = 0.0013
    b = 0.8

Value

numeric surface area (m2).

References

\insertAllCited

See Also

Other allometric functions: mass_from_length(), proportion_silhouette_area_shapes(), proportion_silhouette_area(), surface_area_from_length(), surface_area_from_volume(), volume_from_length()

Examples

  surface_area_from_mass(m     = 1:50, 
                         taxon = "lizard")
  surface_area_from_mass(m     = 1:50,  
                         taxon = "salamander")
  surface_area_from_mass(m     = 1:50,  
                         taxon = "frog")
  surface_area_from_mass(m     = seq(0.1, 5, 0.1),  
                         taxon = "insect")


trenchproject/TrenchR documentation built on Oct. 10, 2023, 10:12 p.m.