Abstract
The aim of our study is to highlight the spatial structure of the trees and to determine its influence on the natural regeneration of the Kalikuku dense forest, with a view of its optimal conservation and enhancement. Data collection was done by measuring diameter at breast height along 10 plots of 0.5 ha in size. In analyzing these data, the Dajoz test was used to determine the horizontal spatial distribution pattern of the two most abundant tree species in the forest (Piptadeniastrum africanum and Ocotea usambarensis). The χ2 test was used to compare the frequency distribution of diameter classes for the two species tested. To estimate the difference between the number of seedlings in aggregate versus non-aggregate areas, the Wilcoxon signed-rank test was used. In addition, the equability index was used to test the preponderance of proportions between diameter classes. Finally, the natural regeneration index was evaluated.
Highlights
The aim of our study is to highlight the spatial structure of the trees and to determine its influence on the natural regeneration of the Kalikuku dense forest, with a view of its optimal conservation and enhancement
In a forest, the spatial structure of the trees depends on their density and hori
The present analysis constitutes an important argument in favor of taking integral protection measures to maintain the good natural regeneration of this forest
Summary
In a forest, the spatial structure of the trees depends on their density and hori-. Natural regeneration is achieved by vegetative propagation through offshoots from existing stumps and by germination of seeds from mature trees [3]. [4] shows that spatial structure and natural regeneration of trees are intimately linked and play an important role in forest dynamics. Human disturbances affect the spatial structure and natural regeneration of trees. Regeneration is the basis of the dynamic and demographic balance of plant populations, ensuring the renewal of individuals and the sustainability of species [5]
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