quercus {hypervolume}

Data and demo for Quercus (oak) tree distributions

Description

Data for occurrences of Quercus alba and Quercus rubra based on geographic observations. Demonstration analysis of how to use hypervolumes for species distribution modeling using WorldClim data.

Usage

data(quercus)

Format

A data frame with 3779 observations on the following 3 variables.

Species

a factor with levels Quercus alba Quercus rubra

Latitude

a numeric vector

Longitude

a numeric vector

Source

Occurrence data come from the BIEN database (https://biendata.org/). Climate data are from WorldClim.

References

Blonder, B., Lamanna, C., Violle, C., Enquist, B. The n-dimensional hypervolume. Global Ecology and Biogeography (2014).

Examples

demo('quercus', package='hypervolume')