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[ Article ] Relationship between stand regime and population structure of Pseudocedrela kotschyi (Meliaceae) and Terminalia macroptera (Combretaceae) in the Biosphere Reserve of Pendjari (Benin, West Africa)

Date de soumission: 11-04-2017
Année de Publication: 2012
Entité/Laboratoire Laboratoire d'Ecologie Appliquée (LEA)
Document type : Article
Discipline(s) : Sciences Environnement &Ecologie
Titre Relationship between stand regime and population structure of Pseudocedrela kotschyi (Meliaceae) and Terminalia macroptera (Combretaceae) in the Biosphere Reserve of Pendjari (Benin, West Africa)
Auteurs ASSEDE Emeline P. S. [1], ADOMOU ARISTIDE COSSI [2], SINSIN Brice [3],
Journal: International journal of biodiversity and conservation
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 4
DOI:
Resume One of the major reasons for reforestation failure using tropical species is misunderstanding of the neighbourhood relationship within tree populations. This study used the natural stand structures of Terminalia macroptera and Pseudocedrela kotschyi, two socio-economically important species, to design planting. A comparative analysis of the population structure of P. kotschyi and T. macroptera in pure and mixed stands was performed. However, results indicated that young T. macroptera individuals were predominant in both stand types. In the same way, no significant difference was found between diameter size classes with respect to stand types. Trees showed weak density and a random pattern with the nearest neighbour distances varying between 5.67 m (pure) and 7.01 m (mixed). P. kotschyi young individuals were also found to be predominant irrespective of stand type; yet, the diameter size class distribution revealed significant variations with respect to stand type. Trees had a higher density and stronger clumped pattern in pure stands as compared to mixed stands. The nearest neighbour distances ranged from 2.97 m (pure) to 4.87 m (mixed). Our findings highlighted the relevance of taking into account relationships between stand composition and tree population structure while designing plantings.
Mots clés Savanna woodland, density, spatial distribution, diameter class structure
Pages 427 - 438
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