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Tree Species Diversity and Their Potential Uses in Kizee Village Forest Reserve, Tanzania

机译：坦桑尼亚基泽村森林保护区的树种多样性及其潜在用途

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Tree species diversity and their potential uses were assessed in Kizee Village Forest Reserve, Muheza District. Household survey, focus group discussions, key informant interview and tree diversity surveys were used during data collection. Data were analyzed both qualitatively and quantitatively using the Statistical Package for Social Science. Tree species diversity was computed using Shannon-Wiener diversity index. A total of 32 tree species from 20 families with different uses were identified. The most dominant tree species identified was Albizzia antihelmintica which contributed 19.83% of all tree species. The forest is a potential source for timber, charcoal, firewood, fodder, medicinal plants/trees and poles. Small diameter class trees (≤ 15cm) contributed 63.1% of all standing trees. The forest had stem density of 434 stems Ha~(-1) and Shannon-Winner Diversity Index of 2.2717 which were biologically within the normal tree diversity status. Majority (70%) of the respondents were aware of types of tree species available in the forest. The index obtained showed a relative achievement of forest policy of improved forest quality and stable forest community. However, more attention is needed to make sure that the forest is not degraded.
机译：在Muheza区的Kizee村森林保护区评估了树木的物种多样性及其潜在用途。在数据收集过程中使用了家庭调查，焦点小组讨论，关键知情人访谈和树木多样性调查。使用“社会科学统计软件包”对数据进行了定性和定量分析。使用Shannon-Wiener多样性指数计算树木物种多样性。共鉴定了来自20个科的32种树种，它们具有不同的用途。鉴定出的最主要的树种是抗疟原虫（Albizzia antihelmintica），占所有树种的19.83％。森林是木材，木炭，薪柴，饲料，药用植物/树木和电线杆的潜在来源。小直径树木（≤15厘米）占所有立木的63.1％。森林的茎密度为434茎Ha〜（-1），Shannon-Winner多样性指数为2.2717，在生物学上处于正常的树木多样性状态。绝大多数（70％）的受访者知道森林中可利用的树木种类。所获得的指数表明，森林政策在提高森林质量和稳定森林群落方面取得了相对的成就。但是，需要更多注意以确保森林不退化。

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