Prospects and limitations of genomic offset in conservation management.

Prospects and limitations of genomic offset in conservation management.
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保护管理中基因组偏移的前景和局限性。

DOI:
10.1111/eva.13205
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发表时间:
2021-05
影响因子:
4.1
通讯作者:
Exposito-Alonso M
Exposito-Alonso M
中科院分区:
生物学2区
文献类型:
--
作者:
Rellstab C;Dauphin B;Exposito-Alonso M

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在自然保护中,人们对预测种群如何应对气候变化等环境变化有着浓厚的兴趣。这些预测可以帮助确定一个种群在未来栖息地改变的情况下是否能够自我维持,或者是否需要人类的干预,如保护、恢复或辅助迁移。在这方面,一种日益流行的方法是基因组偏移的概念,它将来自不同时间点和/或地点的基因组和环境数据结合起来,以评估对新环境条件可能不适应的程度。在这里,我们认为基因组偏移的概念具有巨大的潜力,但需要探索其风险和局限性,以便将其用于保护或辅助迁移的建议。在简要描述了这个概念之后,我们列出了在使用基因组偏移或进一步发展这些方法时需要考虑的重要问题(例如,统计框架,群体遗传结构,迁移,独立证据)。我们得出结论,基因组补偿是一个发展领域,仍然缺乏一些重要的特征,应该与其他方法结合使用,为保护措施提供信息。
In nature conservation, there is keen interest in predicting how populations will respond to environmental changes such as climate change. These predictions can help determine whether a population can be self‐sustaining under future alterations of its habitat or whether it may require human intervention such as protection, restoration, or assisted migration. An increasingly popular approach in this respect is the concept of genomic offset, which combines genomic and environmental data from different time points and/or locations to assess the degree of possible maladaptation to new environmental conditions. Here, we argue that the concept of genomic offset holds great potential, but an exploration of its risks and limitations is needed to use it for recommendations in conservation or assisted migration. After briefly describing the concept, we list important issues to consider (e.g., statistical frameworks, population genetic structure, migration, independent evidence) when using genomic offset or developing these methods further. We conclude that genomic offset is an area of development that still lacks some important features and should be used in combination with other approaches to inform conservation measures.
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