Distribution and genetic diversity of two species ofPelasgusminnows (Leuciscidae) in southern Greece

IF 1.6 3区环境科学与生态学 Q3 FISHERIES

Knowledge and Management of Aquatic Ecosystems Pub Date : 2020-01-01 DOI:10.1051/kmae/2020019

Nuria Viñuela Rodríguez, R. Šanda, S. Zogaris, J. Vukić

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引用次数: 5

Abstract

PelasgusKottelat & Freyhof 2007 (Leuciscidae) is a freshwater fish genus endemic to the Southern Balkans. The distribution of most of its species is insufficiently known.Pelasguswas molecularly studied only marginally, and the genetic diversity of individual species or populations, crucial for their conservation, is completely unknown. We studied distribution and genetic diversity ofPelasgus stymphalicus(Valenciennes 1844) andPelasgus marathonicus(Vinciguerra 1921), two widespread species from southern Greece. Our data, based oncytochrome bsequences, confirmed that a number of populations whose taxonomic status had been uncertain, belong to one of these species. The distribution range ofP. stymphalicusincludes the Ionian mainland, from the Acheloos to Mornos rivers, and most of the Peloponnese, excluding the Evrotas and the headwaters of Alfios. The native range ofPelasgus marathonicusis the western Aegean mainland, from rivers near Athens to the Xerias river in the Pagasitikos Gulf. AMOVA showed that the genetic variance is slightly higher among than between populations. HighFSTvalues indicated a pronounced genetic differentiation of the populations in both species. There was a high proportion of private haplotypes and a very small number of shared haplotypes between populations in both species, which indicates uniqueness of each population and their susceptibility to human-induced changes.

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希腊南部两种鱼的分布及遗传多样性

PelasgusKottelat & Freyhof 2007(淡水鱼科)是巴尔干半岛南部特有的淡水鱼属。其大部分物种的分布尚不清楚。对白杨的分子研究很少，而对其保护至关重要的单个物种或种群的遗传多样性则完全未知。本文研究了希腊南部两个广布种——stymphalicus(valciennes 1844)和pelasgus marathonicus(Vinciguerra 1921)的分布和遗传多样性。我们的数据，基于细胞色素序列，证实了一些种群，其分类地位一直不确定，属于这些物种之一。p的分布范围。stymphalicus包括爱奥尼亚大陆，从Acheloos河到Mornos河，以及伯罗奔尼撒半岛的大部分地区，不包括Evrotas河和Alfios河的源头。长马虎的原产地在爱琴海大陆西部，从雅典附近的河流到帕加斯提科斯湾的谢里亚斯河。AMOVA分析表明，群体间遗传变异略高于群体间遗传变异。高fst值表明两种种群的遗传分化明显。两种种群间私有单倍型的比例较高，共享单倍型的比例极低，这说明了两种种群的独特性以及它们对人为变化的易感性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Knowledge and Management of Aquatic Ecosystems 环境科学-海洋与淡水生物学

CiteScore

3.70

自引率

5.60%

发文量

审稿时长

>12 weeks

期刊介绍： Knowledge and Management of Aquatic Ecosystems (KMAE-Bulletin Français de la Pêche et de la Pisciculture since 1928) serves as a foundation for scientific advice across the broad spectrum of management and conservation issues related to freshwater ecosystems. The journal publishes articles, short communications, reviews, comments and replies that contribute to a scientific understanding of freshwater ecosystems and the impact of human activities upon these systems. Its scope includes economic, social, and public administration studies, in so far as they are directly concerned with the management of freshwater ecosystems (e.g. European Water Framework Directive, USA Clean Water Act, Canadian Water Quality Guidelines, …) and prove of general interest to freshwater specialists. Papers on insular freshwater ecosystems and on transitional waters are welcome. KMAE is not a preferred journal for taxonomical, physiological, biological, toxicological studies, unless a clear link to ecological aspects can be established. Articles with a very descriptive content can be accepted if they are part of a broader ecological context.