Geography of South America world by drainage area—the Amazon River and the more southerly Paraná River. The other major river of this central lowland is the Orinoco River, which has a natural channel linking it with the Amazon. Most of this central lowland is sparsely populated because the soils are heavily leached, but in the south is the very fertile pampas of Argentina—one of the world's major food-producing regions where wheat and beef cattle are pre-eminent. The natural vegetation of the northern lowlands are either savanna in the northern "llanos" and southern "campos", or tropical rainforest throughout most of the Amazon basin. Efforts to
Prostitution in Uruguay women and girls—and to a more limited extent transgender adults and male adolescents—are subjected to sex trafficking within the country. Uruguayan women and LGBTI individuals are forced into prostitution in Spain, Italy, Argentina, and Brazil; however, the number of identified Uruguayan victims exploited abroad has decreased in recent years. Women from the Dominican Republic, and to a lesser extent from South American countries, are subjected to sex trafficking in Uruguay. Uruguayan officials have identified citizens of other countries, including China and the Dominican Republic, transiting Uruguay en route to other destinations, particularly Argentina, as potential victims of sex trafficking. The