Shedding light on dark taxa in sky-island Appalachian leaf litter: Assessing patterns of endemicity using large-scale, voucher-based barcoding

IF 3.2 2区 农林科学 Q1 ENTOMOLOGY
Michael S. Caterino, Ernesto Recuero
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引用次数: 0

Abstract

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揭示天空岛阿巴拉契亚落叶层中的黑暗类群:利用基于凭证的大规模条形码技术评估地方性模式
制定系统的保护计划依赖于一个地区生物多样性的丰富信息。对于节肢动物等“深色分类群”,这些数据通常非常不完整,在大多数情况下被排除在评估之外。天空岛屿是重要且往往脆弱的生物多样性热点。南阿巴拉契亚高海拔云杉森林是一个特别受威胁的天空岛生态系统,拥有许多特有和濒危物种,但它们的节肢动物仍未得到充分研究。在这里,我们使用基于凭证的兆码编码来探索这些高地凋落叶节肢动物群落之间的遗传分化,并检查它们在多大程度上代表了或多或少一致物种的分散群落,作为一个分布单元进行管理。我们收集了一个包含6000多个COI序列的数据集,这些序列代表了不同的节肢动物类群,以评估物种丰富度和在峰间和范围内的共享。通过自动物种划分,测量假定物种的特有水平,标准化了不同分类群之间的比较。物种丰富度较高,有86 ~ 199种凋落物节肢动物(不包括螨类和多足类)。群落概况表明,这些物种中约有四分之一是单个天空岛屿所特有的,超过三分之一的物种仅限于特定范围。在主要类群中,蜘蛛目的特有性最低,而等足目、拟蝎目、原足目和双足目等被忽视类群的特有性最高。南阿巴拉契亚云杉栖息地的天空岛有明显不同的凋落叶节肢动物群落,具有高度的地方性。这是第一次为一个广泛的分类样本提供如此清晰的峰和范围唯一性图像。因此,确保对相当大一部分高海拔凋落物物种丰富度的保护需要在相对精细的空间尺度上得到关注。
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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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