... flowering plants, 17% of all species of birds, 12% of all species of mammals, 16% of all species of reptiles, and 16% of all species of amphibians.36 PNG covers only 0.3% of the Earth's ... cultivation is an integral part of the daily life of millions of people and it remains a key part of West African culture. It is intercropped with cassava, yam and maize and 80% of production comes from ... of land, half of which was forestland. Only 7% of the area burnt was grassland. CIFOR furthermore estimated that 447,000 hectares of estate crops were burnt in 1997-1998.69 D.2 The role of...