Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31460104 |
| 内蒙古高原锦鸡儿属植物遗传分化的环境与气候控制机制 | |
| 杨九艳 | |
| 主持机构 | 内蒙古大学 |
| 开始日期 | 2015 |
| 结束日期 | 2018 |
| 资助经费 | 500000(CNY) |
| 项目类别 | 地区科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | The genus Caragana (Fabr.) in the Inner Mongolia Plateau, provides a unique opportunity to investigate patterns of adaptive radiation along steep climatic gradients, and to identify the environmental factors most likely to be responsible for driving the radiation. The objective of the project is to determine the drivers of genetic differentiation of Caragana species across the Inner Mongolian Plateau. This study will use a factorial, multi-model approach to evaluate alternative hypotheses and identify the combination of environmental factors that appear to drive genetic divergence of Caragana in the Inner Mongolia Plateau. The project will evaluate five alternative hypotheses: genetic structure is panmictic, (1) genetic structure is related exclusively to phylogenetic distance, (2) genetic structure is related exclusively to geographic distance between populations, (3) genetic structure is related to climatic gradients separating the populations, (4) genetic structure is jointly driven by climatic gradients and phylogenetic relatedness among species. By employing state-of-the-art landscape genetic analyses to evaluate these four alternative hypotheses we will robustly identify the environmental factors that drive adaptive radiation and gene flow of Caragana populations across the Mongolian Plateau. |
| 来源机构 | 内蒙古大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/344376 |
| 推荐引用方式 GB/T 7714 | 杨九艳.内蒙古高原锦鸡儿属植物遗传分化的环境与气候控制机制.2015. |
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