Genetic diversity and population structure of Salix alba across river systems in Turkey and their importance in conservation management

IF 1.7 4区生物学 Q2 PLANT SCIENCES

Plant Ecology & Diversity Pub Date : 2021-11-02 DOI:10.1080/17550874.2022.2053601

F. Değirmenci, Asiye Çiftçi, Pelin Acar, Z. Kaya

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引用次数: 1

Abstract

ABSTRACT Background Salix alba is a pioneer species of river ecosystems throughout Turkey. Its genetic diversity and population structure across these ecosystems is currently unknown. Aims We investigated genetic diversity in Turkish S. alba to assess factors likely to shape the genetic structure of the species and to assist with conservation recommendations. Methods Six hundred and forty-six individuals from 10 major river systems in Turkey were genotyped using 15 microsatellite markers. Between one and five sub-populations were sampled from each river system with 23 sub-populations sampled in total. Results Populations contained moderately high levels of genetic diversity. Five genetic groups were detected by Bayesian clustering, with samples from particular river systems mainly assigned to particular genetic groups. This revealed a geographic structure, also detected by principal coordinate analysis, showing that particular river system populations in different parts of Turkey were genetically similar to each other but different from those in other parts of the country. Conclusion Genetic isolation caused by geographic distance (in part) and natural barriers among river systems appear to have shaped the genetic structure of populations. The results have important implications for the conservation of genetic resources within S. alba and restoration of degraded Turkish populations of the species.

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土耳其各水系白柳遗传多样性、种群结构及其在保护管理中的重要性

摘要背景白柳是土耳其河流生态系统的先驱物种。目前尚不清楚其在这些生态系统中的遗传多样性和种群结构。目的我们调查了土耳其白颡鱼的遗传多样性，以评估可能影响该物种遗传结构的因素，并协助提出保护建议。方法利用15个微卫星标记对土耳其10个主要河流系统的646个个体进行基因分型。从每个河流系统中抽取1至5个子种群，共抽取23个子种群。结果群体具有中等水平的遗传多样性。通过贝叶斯聚类检测了五个遗传群，来自特定河流系统的样本主要分配给特定的遗传群。这揭示了一个地理结构，也通过主坐标分析检测到，表明土耳其不同地区的特定河流系统种群在基因上彼此相似，但与该国其他地区不同。结论地理距离（部分）和水系之间的自然屏障造成的遗传隔离似乎形成了种群的遗传结构。研究结果对保护斯瓦尔巴的遗传资源和恢复该物种退化的土耳其种群具有重要意义。

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来源期刊

Plant Ecology & Diversity PLANT SCIENCES-

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Plant Ecology and Diversity is an international journal for communicating results and novel ideas in plant science, in print and on-line, six times a year. All areas of plant biology relating to ecology, evolution and diversity are of interest, including those which explicitly deal with today''s highly topical themes, such as biodiversity, conservation and global change. We consider submissions that address fundamental questions which are pertinent to contemporary plant science. Articles concerning extreme environments world-wide are particularly welcome. Plant Ecology and Diversity considers for publication original research articles, short communications, reviews, and scientific correspondence that explore thought-provoking ideas. To aid redressing ‘publication bias’ the journal is unique in reporting, in the form of short communications, ‘negative results’ and ‘repeat experiments’ that test ecological theories experimentally, in theoretically flawless and methodologically sound papers. Research reviews and method papers, are also encouraged. Plant Ecology & Diversity publishes high-quality and topical research that demonstrates solid scholarship. As such, the journal does not publish purely descriptive papers. Submissions are required to focus on research topics that are broad in their scope and thus provide new insights and contribute to theory. The original research should address clear hypotheses that test theory or questions and offer new insights on topics of interest to an international readership.