A survey on the inventory of woody flora on the west coast of Lake Kivu has been done precisely in Katana region. Transect and quadrat methods have been used in the sites and many species inventoried of the vegetation have been recognized relics as: Brideliia bridelifolia, Vernonia amygdalina,Ficus lutea, Albizia grandibracteata, Tabernaemontana jonhstoni, Urera sp, Markhamia lutea, Erythrina abyssinica, Ficus vallis-choudae, Maessa lanceolata showing that there was primary forest in the region but was destroyed by anthropogenic activities.
A research has been made in Katana area in order to know the causes of woody flora disappearance in the occidental part of Kivu Lake in the Democratic Republic of Congo. Investigation method and free observations helped us on the ground. The obtained results confirmed that the woody flora have been damaged by human activities. 100% of population from the area has agreed the flora damage. Agriculture takes the first place as the cause of woody flora disappearance about 36% followed by the research of the live embers and firewood which takes 20%, building is concerned about 17%; sawmill about 15% and the brickworks take 12%.
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