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Patterns of genetic variability and habitat occupancy in Crepis triasii (Asteraceae) at different spatial scales: insights on evolutionary processes leading to diversification in continental islands

机译:不同空间尺度上的Crepis triasii(菊科)的遗传变异和栖息地占用模式:对导致大陆岛屿多样化的进化过程的见解

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摘要

Background and AimsArchipelagos are unique systems for studying evolutionary processes promoting diversification and speciation. The islands of the Mediterranean basin are major areas of plant richness, including a high proportion of narrow endemics. Many endemic plants are currently found in rocky habitats, showing varying patterns of habitat occupancy at different spatial scales throughout their range. The aim of the present study was to understand the impact of varying patterns of population distribution on genetic diversity and structure to shed light on demographic and evolutionary processes leading to population diversification in Crepis triasii, an endemic plant from the eastern Balearic Islands.
机译:背景和目标群岛是研究促进多样化和物种形成的进化过程的独特系统。地中海盆地的岛屿是植物丰富的主要地区,其中包括很大比例的狭窄特有种。当前在岩石生境中发现许多特有植物,在整个范围内,它们在不同空间尺度上表现出不同的生境占用模式。本研究的目的是了解人口分布变化模式对遗传多样性和结构的影响,以揭示导致东部巴利阿里群岛特有植物Crepis triasii导致人口多样化的人口统计和进化过程。

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