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[ Article ] Impact of Ethnobotanical Uses and Climate Change on the Population of Boswellia dalzielii Hutch. in the Sudanian Region of Benin (West Africa)
| Date de soumission: | 17-02-2021 |
|---|---|
| Année de Publication: | 2020 |
| Entité/Laboratoire | |
| Document type : | Article |
| Discipline(s) : |
| Titre | Impact of Ethnobotanical Uses and Climate Change on the Population of Boswellia dalzielii Hutch. in the Sudanian Region of Benin (West Africa) |
|---|---|
| Auteurs | TOKO IMOROU ISMAÏLA [1], |
| Journal: | International Journal of Ecology and Environmental Sciences |
| Catégorie Journal: | Internationale |
| Impact factor: | 0 |
| Volume Journal: | 46 |
| DOI: | |
| Resume | Abusive exploitation, especially intensive harvesting, is the main cause of the destruction or even the disappearance of some plant species already threatened in Benin. This study aims to determine the impact of ethnobotanical uses and climate change on Boswellia dalzielii populations in the sudanian region of Benin. The informants were chosen randomly to include gender, age classes and sociocultural group. A semi-structured questionnaire was administered to informants. The structural data were obtained from phytosociological surveys using the Braun-Blanquet method. Occurrence data of Boswellia dalzielii were collected in the study area by a GPS. The results showed that Boswellia dalzielii was most frequently used for medicinal (UVs = 5,739). The cultural importance index of Boswellia dalzielii was higher for food (0.962) and medicinal (0.879) categories. The roots are the main plant part use in all categories except in construction where stems are used. The horizontal and vertical structure of Boswellia dalzielii populations showed that individuals of less than 5 cm diameter and less than 2 m high are highly dominant. As part of the mitigation of greenhouse gas emissions (Representative Concentration Pathways: RCP4.5), more favorable habitats will experience a decrease of about 17% in their currently very favorable area. In the context of an increase in greenhouse gas emissions (Representative Concentration Pathways: RCP 8.5), current most favorable habitats will decrease by around 12% by 2055. Boswellia dalzielii ethnobotanical uses have impacts on stems density, height and basal area. |
| Mots clés | Anthropogenic Activities; Climate Variability; Endangered Species; Habitats; West Africa. |
| Pages | 7 - 18 |
| Fichier |  (PDF) |
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