动物景观遗传隔离模式的研究进展
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中国科学院沈阳应用生态研究所

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国家自然科学基金项目(面上项目,重点项目,重大项目)Advances in Landscape Genetic Isolation Models in animals


Advances in Landscape Genetic Isolation Models in animals
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Institute of Applied Ecology,Chinese Academy of Sciences

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The National Natural Science Foundation of China (General Program, Key Program, Major Research Plan)

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    摘要:

    景观遗传学由群体遗传学和景观生态学交叉融合而成,研究景观特征如何影响物种微进化过程,具有重要的理论和实践意义。因动物能够自由运动如扩散、迁徙等,动物景观遗传学研究备受关注,其核心研究内容为4种隔离模式,包括地理距离隔离(isolation by distance, IBD)、景观阻力隔离(isolation by resistance, IBR)、环境隔离(isolation by environments, IBE) 和障碍隔离(isolation by barrier, IBB)。面对该学科的迅速发展,本文概括4种隔离模式的研究框架,总结6个研究趋势:(1)应用高分辨率的景观数据和全基因组DNA数据,(2)发展多变量优化模型方法并与机器学习法相结合,(3)综合研究多种隔离模式,(4)探讨多尺度下多隔离模式特征,(5)解决景观格局和遗传结构之间的时滞问题, 以及(6)结合动物运动行为研究景观遗传规律,旨在为动物景观遗传学研究提供有效参考。

    Abstract:

    Landscape genetics is an interdisciplinary science combining population genetics and landscape ecology to examine how landscape features influence species microevolution, carrying both theoretical and practical significance. Animal-focused studies have attracted considerable attention due to animals’ mobility, including dispersal and migration. Animal Landscape genetic focuses on four pattern-based isolation models: isolation by distance (IBD), isolation by resistance (IBR), isolation by environments (IBE) and isolation by barrier (IBB). In response to the rapid advances in this science, this paper summarizes the research framework of these four isolation models and highlights six trends: (1)utilizing high-resolution landscape data and whole-genome DNA data, (2)developing multivariate landscape resistance optimization models, and integrating them with machine learning methods (3)investigating multiple isolation models simultaneously, (4)examining features of isolation models at multiple scales, (5)examining time-lag effects between landscape patterns and genetic structure, and (6)integrating animal spatial movement data with landscape genetics. The paper aims to provide valuable insights to advance research in animal landscape genetics.

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李月辉.动物景观遗传隔离模式的研究进展.生态学报,,(). http://dx. doi. org/[doi]

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