ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[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 ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/371236a0