AOOsimp: Area of Occupancy (AOO)

In rCAT: Conservation Assessment Tools

Description

Calculates the number of ocupied cells for Area of Occupancy from a set of points (x,y), usually in metres, with orgin 0,0

Usage

AOOsimp(thepoints, cellsize)

Arguments

thepoints	set of points in metres i.e. c(x,y)
cellsize	size of cell (length) in metres

Details

calculates a very simple AOO area from a set of points

Value

integer number of unique cells as an integer

Author(s)

Justin Moat. [e-mail]

References

Bachman, S., Moat, J., Hill, A.W., de Torre, J., Scott, B., 2011. Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool. Zookeys 126, 117–26. doi:10.3897/zookeys.150.2109

Moat, J., Bachman, S., n.d. GeoCAT Geospatial Conservation Assessment Tool. URL http://geocat.kew.org/

See Also

AOORating for AOO Ratings,

Examples

x <- runif (20,0,10)
y <- runif (20,0,10)
df <- data.frame(x,y)
AOOsimp (df,2)

Example output

[1] 15

rCAT documentation built on July 8, 2020, 6:22 p.m.