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
Geography of Albania the Large and Small Lake Prespa until it reaches the Ionian Sea at the Strait of Corfu. The most important feature of Albania is possibly its relief, with numerous successive mountain ranges and its average altitude, more than 700 metres above sea level. Much of the mountains lie to the north, east and south of the western lowlands in the northern, eastern and southern mountain ranges. The Albanian Alps extend over 90 kilometres through the north of Albania, covering an area of 2,000 square kilometers. These mountains are an extension of the Dinaric Alps and no wider than 40 kilometers.