This function estimates surface area (m2) from length (m) by approximating the animal's body as a rotational ellipsoid with half the body length as the semi-major axis.
surface_area_from_length(l)numeric length (m).
numeric surface area (m2).
Following Samietz et al. (2005) and Lactin and Johnson (1998) .
Lactin DJ, Johnson DL (1998).
“Convective heat loss and change in body temperature of grasshopper and locust nymphs: Relative importance of wind speed, insect size and insect orientation.”
Journal of Thermal Biology, 23(1), 5-13.
ISSN 0306-4565, doi:10.1016/S0306-4565(97)00037-5
, https://www.sciencedirect.com/science/article/pii/S0306456597000375.
Samietz J, Salser MA, Dingle H (2005).
“Altitudinal variation in behavioural thermoregulation: local adaptation vs. plasticity in California grasshoppers.”
Journal of Evolutionary Biology, 18(4), 1087-1096.
doi:10.1111/j.1420-9101.2005.00893.x
.
Other allometric functions:
mass_from_length(),
proportion_silhouette_area_shapes(),
proportion_silhouette_area(),
surface_area_from_mass(),
surface_area_from_volume(),
volume_from_length()
surface_area_from_length(l = 0.04)
#> [1] 0.00187877