Contrasting results of multiple species delimitation approaches cause uncertainty in synecological studies: A case study on Sri Lankan chafers

IF 3.2 2区 农林科学 Q1 ENTOMOLOGY
U. G. S. L. Ranasinghe, J. Thormann, S. P. Benjamin, A. Bezděk, J. Eberle, Dirk Ahrens
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引用次数: 1

Abstract

Abstract Image

多种物种划分方法的对比结果在协同研究中引起不确定性:斯里兰卡chafers的案例研究
生物多样性格局是多个重叠物种分布的总和。因此,他们的分析需要适当的物种推断。基于DNA的物种划界在此类评估中越来越受欢迎,但由于多种划界方法之间的不一致性,它们的稳健性往往存在问题。在这里,我们探讨了不同物种划分的对比结果如何转化为协同研究的结论,以斯里兰卡不同海拔和森林类型的植食性圣甲虫的组合为例。特别是,我们比较了基于完整组合和从单独分析的亚枝推断的累积物种清单的估计。参考形态种、分子操作分类单位(MOTUs)和单倍型,分析了不同空间尺度上的组合相似性模式。在大多数空间尺度上,与方法相关的物种模糊(MOTUs)估计(包括亚枝推断)严重影响了表观生物多样性格局的确定性。甚至更多的对比模式来自于单个进化枝的区系相似性分析,甚至来自于单个进化枝的物种划分分析积累的物种清单。在这个热带金龟子的案例研究中,单倍型只提供了很少的解释信息,因为遗传高度多样化的种群普遍缺乏共享的单倍型。因此,寻找合适的物种边界应成为生物多样性评价的最终目标,为生物多样性研究及其可持续应用提供持久的意义。我们的研究强调了在整合不同研究的协同观测结果时的必要性,这些研究使用不同的物种划分方法来评估其生物多样性,以及它对保护管理的潜在影响。
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来源期刊
CiteScore
7.70
自引率
8.60%
发文量
58
审稿时长
>12 weeks
期刊介绍: To publish papers of the highest scientific quality within the general area of insect (and other arthropods) conservation and diversity covering topics ranging from ecological theory to practical management. Papers are invited on the following topics: Conservation genetics; Extinction debt; Long-term conservation planning and implementation; Global implications of local or national conservation actions; Management responses of species and communities; Captive breeding programs; Comparisons of restored and natural habitats; Biogeography; Global biodiversity; Metapopulation dynamics; Climate change: impacts on distributions and range; Invasive species: impacts and control; Effects of pollution; Genetic threats to diversity by introgression; Effects of fragmentation on diversity and distribution; Impact of agricultural and forestry practices on biodiversity; Enhancing urban environments for diversity and protection; Biodiversity action plans: can we scale up from insects?; Effectiveness and choice of indicator species; Soil biodiversity and interactions with above-ground biodiversity; Ecological interactions at local levels; Ecological and evolutionary factors influencing diversity and local, regional and global scales; Sustainable livelihoods and training on the ground; Integrating science and policy.
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