进化基因组学分析揭示了百慕大一个孤立种群中 Megachile pruina 的独特品系

IF 3.2 2区 农林科学 Q1 ENTOMOLOGY Insect Conservation and Diversity Pub Date : 2024-08-30 DOI:10.1111/icad.12776
Jennifer Rose, M. Thomas P. Gilbert, Mark Outerbridge, Hernán E. Morales
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引用次数: 0

摘要

蜜蜂多样性的减少主要是由栖息地丧失、气候变化和入侵物种造成的,这一点已得到充分证明。在这一背景下,Megachile Latreille, 1802属(膜翅目:Megachilidae)这一种类繁多的独居食叶蜂缺乏全面的物种保护和分类评估,可能掩盖了种群数量下降和灭绝的事实。Megachile pruina 是百慕大的三种蜜蜂之一,也可能是岛上最后一种本地蜜蜂。它曾广泛分布于全岛各地,现在仅限于城堡港群岛自然保护区内 11.5 公顷的一小块区域。根据《百慕大保护物种法案》(Bermuda Protected Species Act),它被列为 "易危 "物种,其分类学和保护状况仍不确定,尤其是它与美国种群的进化关系。在这里,我们分析了核基因组和线粒体基因组,发现百慕大的M. pruina种群在遗传学上与美国本土种群截然不同,与任何取样的美国种群都没有密切联系,这表明百慕大的M. pruina种群代表了一个独特的进化系。我们的遗传多样性评估显示,与美国相比,百慕大种群的遗传多样性较低,凸显了比最初想象的更高的脆弱性。我们建议维持其目前的保护地位,并主张迫切需要扩大生态和生物研究,以促进适当的保护和监测措施。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Evolutionary genomics analysis reveals a unique lineage of Megachile pruina found in an isolated population in Bermuda

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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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