Knowledge, valuation and prioritization of 46 woody species for conservation in agroforestry systems along Ouémé catchment in Benin (West Africa)

Bruno E. Lokonon (), Essomanda Tchandao Mangamana, Isidore Gnonlonfoun, Téwogbadé Jean Didier Akpona, Achille E. Assogbadjo, Romain Glèlè Kakaï and Brice Sinsin
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Bruno E. Lokonon: University of Abomey-Calavi
Essomanda Tchandao Mangamana: University of Abomey-Calavi
Isidore Gnonlonfoun: University of Abomey-Calavi
Téwogbadé Jean Didier Akpona: University of Abomey-Calavi
Achille E. Assogbadjo: University of Abomey-Calavi
Romain Glèlè Kakaï: University of Abomey-Calavi
Brice Sinsin: University of Abomey-Calavi

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2019, vol. 21, issue 5, No 16, 2377-2399

Abstract: Abstract The Ouémé catchment abounds an important diversity of woody plant species. However, harvesting pressure on these species seems to lead to threats of their sustainability. Despite this fact, few published studies concerning their conservation have been undertaken. In this regard, our study focused on (1) assessment of impact of socio-demographic factors and climatic zones on knowledge and use of the woody plant species; (2) assessment of the use status of each of these species and (3) ranking within each climatic zone these species according to their priority for conservation. A total of 411 randomly selected informants were interviewed through a semi-structured survey followed by a field survey in 69 random plots of 0.15 ha. Data from available literature were used to complete the surveys. Ecological and ethnobotanical parameters were computed, and the highest priority species for conservation were identified. The results showed significant difference in plant use between women and men, ethnic groups and climatic zones. However, age was not a determinant of plant knowledge. The findings also revealed that more than 50% of native species in the study area are underutilized or widely used by few people. Moreover, six species were identified as priorities and need high conservation efforts in the two climatic zones, namely: Parkia biglobosa, Pterocarpus erinaceus, Milicia excelsa, Prosopis africana, Afzelia africana and Khaya senegalensis. Non-governmental organizations, governments and agroforestry research institutions are entreated to incorporate these species in local development strategies aiming at sustainable management and long-term conservation of native species.

Keywords: Woody plant; Local people; Knowledge and use; Conservation priorities; Ouémé catchment; Benin (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s10668-018-0142-y

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