In the beginning of the 19th century, about 40% of Ethiopia's land mass was said to be covered by natural forests (Campbell, 1991; Gillam, 2004; Tilahun et al., 2007).
In the beginning of the 19thcentury, about 40% of Ethiopia's land mass was said to be coveredby natural forests (Campbell, 1991; Gillam, 2004; Tilahun et al.,2007).