Data and demo for Quercus (oak) tree distributions

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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

1

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 BIEN2 database (http://bien.nceas.ucsb.edu/bien/). Climate data are from WorldClim.

References

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

Examples

1
demo('quercus', package='hypervolume')