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
Mennonites in Uruguay adult members are counted, the whole Mennonite population including children is somewhat higher. Although Uruguayan Mennonites are relatively integrated in the mainstream society, some of them still keep their original Plautdietsch language. There is strong tendency to marry outside the Mennonite community, which indicates a large degree of cultural assimilation. This is in stark contrast to other "Russian" Mennonites in South American countries like Paraguay, Bolivia and Argentina. Mennonites in Uruguay Mennonites in Uruguay have been present since 1948. They are partly descendants of German immigrants and partly Spanish-speaking Uruguayans of all ethnic backgrounds, that converted responding to the missionary