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首页> 外文期刊>International Journal of Biodiversity and Conservation >Regeneration pattern and size-class distribution of indigenous woody species in exotic plantation in Pugu Forest Reserve, Tanzania
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Regeneration pattern and size-class distribution of indigenous woody species in exotic plantation in Pugu Forest Reserve, Tanzania

机译:坦桑尼亚普吉森林储备异乎寻常种植植物中土着木本种类的再生模式和规模分布

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Pugu Forest Reserve is among coastal forests in Tanzania which is highly degraded through exploitation. To conserve the forest, part of natural forest was cleared and established exotic plantation to provide forest resource needs for the nearby residents. However, the regeneration pattern of indigenous trees in the exotic plantation was not monitored. It was aimed at assessing diversity, population structure, size class distribution and natural regeneration pattern of indigenous trees in exotic tree plantation. Vegetation data was collected using nested plots established along transects on both exotic tree plantation and the natural forest. The diameter size classes for most trees were less than 25 cm with poor recruitment at lower size classes implying an unstable plant population structure. Significant difference existed on the abundance of indigenous plant species between those in exotic tree plantation and the natural forest. However, the indigenous plant species regenerated successfully in exotic tree plantation as it occurred in the natural forest. Conclusively, establishing exotic plantation through clearing natural forests required monitoring as a management strategy because indigenous woody plants recovered through natural regeneration and outcompeted exotic trees in the plantation.
机译:普鲁森林保护区是坦桑尼亚沿海林中的沿海林,这是通过开采高度退化的。为了保护森林,部分天然森林被清除并建立了外来种植园,为附近居民提供森林资源需求。然而,未监测外来种植园中的土着树木的再生模式。它旨在评估异国植物植物中土着树木的多样性,人口结构,规模分布和自然再生模式。使用沿异国情调的树木种植园和天然森林的横断面建立的嵌套地块收集植被数据。大多数树木的直径尺寸等级小于25厘米,较低尺寸较差的较差,暗示植物种群结构不稳定。异乎寻常的树木种植园和天然森林的土着植物种类的丰富性差异存在显着差异。然而,土着植物物种在天然森林发生时成功再生成异国植物种植园。最后,通过清除自然森林建立异国情调的种植园,要求监测作为管理策略,因为土着木质植物通过天然再生和种植园中的露出异国树木恢复。

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