Tree Conservation Information Service
| Guibourtia ehie
Leguminosae Ovangkol;Amazone;Hyedua Distribution This species occurs in Cameroon, Côte d'Ivoire, Gabon, Ghana, Liberia and Nigeria. Habitat G. ehie is a forest species, preferring closed rainforests and transitional forests (WCMC, 1991). In Ghana, it is successful in the dryer areas of moist semi-deciduous forest (Hawthorne, 1995a). Population Status and Trends This species is common in Ghana, particularly in the north-west of the country. All sizes of tree do better in unburnt rather that burnt forest (Hawthorne, 1995a). Regeneration Seed dispersal is mainly by wind. Seedlings are found clustered around the parent tree and often remain gregarious in advanced stages of regeneration (Hawthorne, 1995a). Role of Species in its Ecosystem No information. Threats This species suffers from high rates of exploitation in Ghana (Hawthorne, 1995a&b). Utilisation The wood of this species is a popular substitute for Rosewood. It is used for fine furniture and cabinetwork, turnery, decorative veneers and flooring (WCMC, 1991). Trade This species is increasingly available in the U.S.. It is exported by Gabon; in 1987, 15,450m3 were exported from Owendo (IUCN, 1990), in 1994, a total of 8,607.596 m3 were exported (DIAF, 1996) and in 1995, 10,533.197 m3 were exported (DIAF, 1996). The export of this species in log form is banned by Ghana. Conservation Status IUCN Category and Criteria: VU (A1c,d) (African Regional Workshop, 1996) For Ghana, Hawthorne (1995a) has given this species a red star, which means it is common but under pressure from exploitation and conservation measures are necessary. Under the new IUCN threat categories (1994) this species is considered Vulnerable (Hawthorne, 1995b). Conservation Measures Regeneration measures are required (African Regional Workshop, 1996). References African Regional Workshop, 1996. Conservation and Sustainable Management of Trees project workshop held in Harare, Zimbabawe, July, 1996. DIAF, 1996. Timber trade statistics for Gabon sent from the Direction des Inventaires et Aménagements des Forêts (DIAF) of the Ministere des Eaux et Forêts for 1994 and 1995 sent by Tom Hammond. Hawthorne, W.D., 1995(a). Ecological profiles of Ghanaian forest trees. Oxford Forestry Institute:Oxford. pp.345. Hawthorne, W.D., 1995(b). Categories of conservation priority and Ghanaian tree species. Working Document 4 (prepared for the November 1995 Conservation and Sustainable Management of Trees - Technical Workshop in Wageningen, Holland). IUCN, 1990. La Conservation des Ecosystèmes Forestiers du Gabon. IUCN, Tropical Forest Programme Series. pp. 200. WCMC, 1991. Provision of Data on Rare and Threatened Tropical Timber Species. pp. 58.
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