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题名: Genetic diversity and conservation evaluation of a critically endangered endemic maple, Acer yangbiense, analyzed using microsatellite markers
作者: Yang, Jing; Zhao, Lin-lin; Yang, Jun-bo; null(孙卫邦)
刊名: BIOCHEMICAL SYSTEMATICS AND ECOLOGY
关键词: Acer yangbiense ; SSR ; Genetic diversity ; Endangered ; Conservation evaluation ; Parentage analysis
英文摘要: The newly discovered endemic maple Acer yangbiense of China has only five individuals left in the wild, and thus has been classified as a plant species with extremely small populations (PSESP). PSESP species call for emergency protection procedures, such as ex-situ conservation and reintroduction. Our objectives were to examine the genetic diversity of A. yangbiense and to evaluate former conservation strategies from a genetic point of view. Our results suggested that A. yangbiense was not genetically depauperate, but its genetic loss at a species level was obvious. A parentage analysis indicated a high selfingrate in A. yangbiense and suggested the existence of a previously unknown wild individual. Former conservation strategies did not include all genetic variations of the wild population, and gene diversity of the ex-situ conserved seedlings is lower than that of the wild population. From our findings, we make suggestions to guide the subsequent protection of this species. (C) 2015 Elsevier Ltd. All rights reserved.
出版日期: 2015-06-01
卷号: 60, 页码:193-198
DOI标识: 10.1016/j.bse.2015.04.027
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/24986
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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