Gap size in regeneration of red stinkwood in natural forests in Kenya

Red stinkwood (Prunus africana) is widely known for its medicinal value, both locally in Kenya and globally. The survival of the species depends on among other things, forest regeneration gap sizes created by humans or natural phenomena. The objective of this review was to analyse existing knowledge, with a view to identifying appropriate gap size for regeneration of P. africana in natural forests. It is apparent that large gap sizes tend to suit the growth of pioneer species, which compete with P. africana seedlings for resources, especially sunlight. On the other hand, closed canopies stifle seedlings, owing to excessive litter accumulation and shading, thus limiting light penetration to forest floors. Its saplings are shade intolerant, thus need intermediate gap size to survive. Poor natural regeneration, coupled with over-exploitation of P. africana have adversely affected the population of the species in Kenya. Because of this, collaborative management has been adopted to incooperate local communities, as well as a ban on its bark exportation for its conservation. Key words: Kenya, Light penetration, Prunus africana, saplings