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Population Genetic Assessment Model Reveals Conservation Priorities for Gymnocypris Species Resources on the Qinghai-Tibetan Plateau

文献类型： 外文期刊

作者： Quan, Jinqiang 1 ; Qu, Yuling 2 ; Li, Yongqing 3 ; Ren, Yue 4 ; Zhao, Guiyan 1 ; Li, Lanlan 5 ; Lu, Junhao 1 ;

作者机构： 1.Gansu Agr Univ, Coll Anim Sci & Technol, Lanzhou 730070, Peoples R China

2.Gansu Agr Univ, Coll Food Sci & Engn, Lanzhou 730070, Peoples R China

3.Xinjiang Acad Anim Sci, Anim Husb Qual Stand Inst, Urumqi 830063, Peoples R China

4.Tibet Acad Agr & Anim Husb Sci, Inst Livestock Res, Lhasa 850000, Peoples R China

5.Ningxia Univ, Coll Anim Sci & Technol, Yinchuan 750021, Peoples R China

关键词： Gymnocypris species; genetic diversity; phylogeny; genetic contribution; assessment model; conservation priority

期刊名称：BIOLOGY-BASEL （ 影响因子：4.2； 五年影响因子：4.4 ）

ISSN：

年卷期： 2024 年 13 卷 4 期

页码：

收录情况： SCI

摘要： The Qinghai-Tibetan Plateau (QTP) has nurtured a rich diversity of species because of its unique geographical and environmental conditions. Gymnocypris species (subfamily Schizopygopsinae) are primitive fishes that live in the special environment of the plateau, and their evolution and distribution are inseparable from the historical changes of the QTP. Recently, the resources of Gymnocypris species have been decreasing due to habit deterioration and the intensification of human activities. Therefore, the scientific conservation of the genetic resources of Gymnocypris species is urgently required. In this study, we established two models for the priority conservation assessment of germplasm resources of Gymnocypris species on the basis of the genetic diversity and phylogenetic relationships of 674 individuals from eight Gymnocypris species populations. The results show that the Gymnocypris potanini (GPO), Gymnocypris eckloni (GE), and Gymnocypris przewalskii (GPR) populations are the most genetically diverse in terms of combined genetic diversity values and should be prioritized for conservation. In terms of genetic contribution, the GPO, GE, and GPR populations have a positive impact on maintaining the distinctiveness and diversity of the entire Gymnocypris species population and should be prioritized for conservation. However, in terms of different evolutionary clades, the Gymnocypris namensis, Gymnocypris waddellii, Gymnocypris dobula, and GE populations in clade A should be given priority for protection, the GE population in clade B should be given priority, and the GPR population in clade C should be given priority. In conclusion, the two models and assessment of conservation priorities will provide a scientific basis for the conservation of Gymnocypris species.

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