AOORating: IUCN rating based from AOO Area
In rCAT: Conservation Assessment Tools

Description Usage Arguments Value Note Author(s) References See Also Examples

Calculates IUCN rating based on Area of occupancy (AOO) Area in km2

1	AOORating(AOOArea, abb)

`AOOArea`	Area in km2
`abb`	TRUE or FALSE , TRUE = 2 letter code, FALSE = full text (see value), default = TRUE

Text one of CR, EN, VU, NT, LC or Critically Endangered, Endangered, Vulnerable, Near Threatened, Least Concern

Any negative values are assumpted to be positive. Near Threatened is set at 3,000 km2, follow example in IUCN Guidelines version 11. 2014

Justin Moat. J.Moat@kew.org

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 [WWW Document]. URL http://geocat.kew.org/

IUCN, 2012. IUCN Red List Categories and Criteria, 2nd ed. IUCN, Gland, Switzerland.

IUCN Standards and Petitions Subcommittee, 2014. Guidelines for Using the IUCN Red List Categories and Criteria. Version 11.

IUCN Standards and Petitions Subcommittee, 2016. Guidelines for Using the IUCN Red List Categories and Criteria. Version 12.

Joppa, L.N., Butchart, S.H.M., Hoffmann, M., Bachman, S.P., Akçakaya, H.R., Moat, J.F., Böhm, 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, 362–370. doi:10.1111/cobi.12591

AOOsimp for AOO calculations