rCAT (version 0.1.6)

EOOarea: Extent of Occurance (EOO) Area

Description

Calculates the Extent of Occurance from a set of points (x,y)

Usage

EOOarea(thepoints)

Arguments

thepoints

dataframe of points i.e. c(x,y)

Value

float_value area of EOO polygon

Details

calculates the EOO area of a set of popints'

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<U+2013>26. doi:10.3897/zookeys.150.2109

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

Joppa, L.N., Butchart, S.H.M., Hoffmann, M., Bachman, S.P., Ak<U+00E7>akaya, H.R., Moat, J.F., B<U+00F6>hm, M., Holland, R.A., Newton, A., Polidoro, B., Hughes, A., 2016. Impact of alternative metrics on estimates of extent of occurrence for extinction risk assessment. Conserv. Biol. 30, 362<U+2013>370. doi:10.1111/cobi.12591

See Also

EOORating for EOO Ratings

Examples

# NOT RUN {
x <- runif (20,0,10)
y <- runif (20,0,10)
df <- data.frame(x,y) 
EOOarea (df)
# }