red (version 0.2.0)

eoo: Extent of Occurrence (EOO).

Description

Calculates the Extent of Occurrence of a species based on either records or predicted distribution.

Usage

eoo(spData)

Arguments

spData

Either a matrix of longitude and latitude (two columns) of each occurrence record or a presence/absence (1/0) map as a RasterLayer object.

Value

A single value in km2.

Details

EOO is calculated as the minimum convex polygon covering all known or predicted sites for the species.

Examples

data(data.records)
data(data.sp)
eoo(data.records)
eoo(data.sp)