This country-level indicator measures the extension (in sq. Km) of livestock-only systems in rangeland-based arid and semi-arid areas [LGA]. The data comes frorm the Map of Global Livestock Production Systems (version 5), a joint initiative between FAO and ILRI.
The full reference for the Map of Global Livestock Production Systems (version 5) is:
Robinson TP, Thornton PK, Franceschini G, Kruska RL, Chiozza F, et al., (2011): Global livestock production systems. Rome: Food and Agriculture Organization of the United Nations (FAO) and International Livestock Research Institute (ILRI). pp. 152. http://www.fao.org/docrep/014/i2414e/i2414e.pdf.
Further Information on the Map of Global Livestock Production Systems is available here: http://www.fao.org/ag/againfo/resources/en/glw/GLW_prod-sys.html.
For more information about the fulll data included in the The Gridded Livestock of the World (GLW) database, please refer to:
Robinson, T.P., Wint, G.R.W., Conchedda, G., Van Boeckel, T.P., Ercoli, V., Palamara, E., Cinardi, G., D’Aietti, L., Hay, S.I and Gilbert, M. (2014) Mapping the global distribution of livestock. PLoS ONE 9(5): e96084. doi:10.1371/journal.pone.0096084.
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