ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Savannas occupy some 250 million hectares (Mha) of South America, mainly in Brazil (200 Mha), Colombia (20 Mha) and Venezuela (12 Mha). They are used for extensive cattle ranching on the native forage, although in Brazil cropping with maize and soybeans (now 12 Mha) and introduced ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/371236a0