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NAME :ADERIBIGBE ADEDOTUN
Figure 14-2. West Africa: natural forest and plantation areas 2000 and net area change 1990-2000
The total volume of West African forests is estimated at approximately 5 billion cubic metres over bark, which is 11 percent of the volume of all African forests. The volume and biomass estimates for most countries are based on existing forest inventories. In humid zones, volume assessment is focused on timber volume. In dry zones, volume assessment usually includes the whole ligneous biomass, including trunks and branches, for fuelwood consumption. Maximal production of natural vegetation in West Africa was estimated to vary from 0.1 to 2.75 m3 per hectare per year according to rainfall and vegetation type (Bellefontaine et al. 2000).
Wood provided by trees outside the forest is extremely important in this subregion. Indeed, the sparse forest cover of most West African countries makes this material very valuable, notably in dry zones where a large part of......

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