坦桑尼亚西北部大草原生态系统土地利用梯度下屎壳郎多样性和群落组成

IF 1.7 4区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION
Roisin Stanbrook, J. Norrey, A. Kisingo, Martin J. Jones
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引用次数: 5

摘要

栖息地的丧失和退化是物种丰度和多样性变化的最广泛的驱动因素。我们探索了坦桑尼亚西北部大草原不同土地利用方式下甲虫物种多样性和组成的变化。我们预计,从保护植被和保持本地哺乳动物多样性的土地利用到牲畜密集和大量放牧的地区,甲虫群落的多样性和组成会出现负响应梯度。在一个保护区和两种受人类遗传学影响的土地利用类型中对Dung甲虫进行了采样。分析了每种土地利用类型的物种丰富度和组成,包括多样性和功能组的差异,并确定了每个土地利用梯度的指示物种。正如预期的那样,与受人类影响的地区相比,环境变化较小的地区的多样性和群落组成各不相同。我们得出的结论是,保护非洲大草原内的保护区可以提供功能丰富的甲虫群落,从而提供丰富的生态功能。这项研究确定的作为生态指标的甲虫物种可以作为未来研究的基准,这些研究使用快速监测来评估非洲大草原的干扰。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dung Beetle Diversity and Community Composition Along a Land Use Gradient in a Savannah Ecosystem of North Western Tanzania
Habitat loss and degradation are the most widely cited drivers of changes in species abundance and diversity. We explored changes in dung beetle species diversity and composition across different land uses in the north west Tanzanian savannah. We expected a negative response gradient in the diversity and composition of the dung beetle community, from land uses that preserve vegetation and hold native mammal diversity to livestock intensive and heavily grazed areas. Dung beetles were sampled in a protected area and two anthropogenically influenced land use types. Species richness and composition of each land use type, including differences in diversity and functional groups were analyzed and indicator species for each land use gradient were identified. As expected, diversity and community composition varied between areas with less environmental change compared to those impacted anthropogenically. We conclude that conservation of protected areas within African savannahs can provide a functionally rich dung beetle community and subsequently rich ecological functions. The dung beetle species identified by this study as eco-indicators can be used as a benchmark for future studies that use rapid monitoring to assess disturbance in African savannas.
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来源期刊
Tropical Conservation Science
Tropical Conservation Science BIODIVERSITY CONSERVATION-
CiteScore
3.60
自引率
5.90%
发文量
16
审稿时长
>12 weeks
期刊介绍: Tropical Conservation Science is a peer-reviewed, open access journal that publishes original research papers and state-of-the-art reviews of broad interest to the field of conservation of tropical forests and of other tropical ecosystems.
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