2019
DOI: 10.19182/bft2019.339.a31714
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Des confusions entre espèces préjudiciables à la gestion durable des essences forestières : l’exemple des acajous d’Afrique (Khaya, Meliaceae)

Abstract: Les espèces du genre Khaya procurent l’un des bois les plus prisés du continent africain. Elles sont commercialisées sous l’appellation « acajou d’Afrique » depuis environ deux siècles. En Afrique continentale, on reconnaît actuellement quatre espèces morphologiquement proches : Khaya anthotheca, K. grandifoliola, K. ivorensis et K. senegalensis. Le nombre de taxons du genre Khaya a varié au cours du temps et la délimitation de ces taxons n’est pas sans avoir des implications sur les stratégies de conservation… Show more

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Cited by 12 publications
(6 citation statements)
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“…63. 1 2 In Africa, forest degradation is intensifying because the principles of sustainable forest management are being ignored Dipelet et al 2019). Targeted and selective exploitation of certain important forest species severely threatens the forest ecosystems of many West African countries (Segla et al 2016(Segla et al , 2020Mbowa et al 2013).…”
Section: Introductionmentioning
confidence: 99%
“…63. 1 2 In Africa, forest degradation is intensifying because the principles of sustainable forest management are being ignored Dipelet et al 2019). Targeted and selective exploitation of certain important forest species severely threatens the forest ecosystems of many West African countries (Segla et al 2016(Segla et al , 2020Mbowa et al 2013).…”
Section: Introductionmentioning
confidence: 99%
“…A caracterização biométrica e morfológica de frutos, sementes e plântulas de K. grandifoliola fornece subsídios importantes para discriminação e reconhecimento da espécie. Para o gênero Khaya, as características morfológicas são semelhantes e de difícil distinção em campo (Lawal et al, 2016;Pakull et al, 2019;Dipelet et al, 2019), sendo que o uso da morfobiometria em estádio inicial de desenvolvimento garante a produção de mudas idôneas e de interesse comercial. Segundo Mezzonato-Pires (2017), esses estudos são também uma ferramenta para a delimitação de táxons com fronteiras morfológicas conflitantes, o que contribui de forma valiosa para outras pesquisas na área biológica e agrícola.…”
Section: Discussionunclassified
“…Its leaves are arranged at the tips of the branches and form dense foliage [26] [27] [28] [29]. This species is native to the Sahelo-Sudanian and Sudanese zone of tropical Africa [26] [28] [30] [31] [32].…”
Section: Introductionmentioning
confidence: 99%
“…Khaya senegalensis is a species with multiple uses (pharmacopoeia, urban forestry, shade, firewood, timber, etc.) that is highly prized by rural populations [28] [29] [30] [32] [33] [34] [35] [36]. This species is subject to excessive and anarchic over-exploitation, exposing it to a loss of diversity that could eventually lead to its extinction [30] [37] [38].…”
Section: Introductionmentioning
confidence: 99%