Dynamics of Vegetation in Managed Forests: A Case Study from Missirah Forest, South-Eastern Senegal


Authors : Laurice Codou Faye; Boateng Kyereh; Simon Sambou; Bienvenu Sambou

Volume/Issue : Volume 7 - 2022, Issue 8 - August

Google Scholar : https://bit.ly/3IIfn9N

Scribd : https://bit.ly/3qUEXlp

DOI : https://doi.org/10.5281/zenodo.7098472

- Floristic and forest structural analyses were carried out to determine the impact of charcoal production in a community-managed forest in southeastern Senegal. The results showed that at present Missirah Forest shelters 62 species belonging to 18 families and 42 genera. The structural parameters (diameter at breast height, tree density, stem density, Lorey height and basal area) were found to be significantly different among the vegetation types encountered in Missirah Forest (p < 0.05), and the highest values was observed in gallery forest. From 2002 to 2013 the species richness decreased whatever the vegetation type as well as the species evenness. This decrease observed is confirmed by the trend of Shannon diversity index. The K-mean of the Importance Value Index (IVI) identified three classes: species with improved, declined, and relatively stable IVI. The parameters analysed for the recovery of the forest with the exception of stem density showed significant difference after the rotation period indicating a non-replenishment of the resources. This study showed that the conditions under which the forest is managed currently do not constitute a sustainable response to deforestation and degradation induced by charcoal production. We recommended a revision of the management plan and an enforcement of the strict adherence to the technical prescriptions of the management plan.

Keywords : Community based forest management; Sustainability; Biodiversity conservation; Species change; Forest recovery; Senegal

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