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DOI: 10.1371/journal.pone.0148499
论文题名:
Outlier Loci Detect Intraspecific Biodiversity amongst Spring and Autumn Spawning Herring across Local Scales
作者: Dorte Bekkevold; Riho Gross; Timo Arula; Sarah J. Helyar; Henn Ojaveer
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2016
发表日期: 2016-4-6
卷: 11, 期:4
语种: 英语
英文关键词: Spawning ; Genetic loci ; Baltic Sea ; Population genetics ; Genetic polymorphism ; Marine fish ; Demography ; Marine ecology
英文摘要: Herring, Clupea harengus, is one of the ecologically and commercially most important species in European northern seas, where two distinct ecotypes have been described based on spawning time; spring and autumn. To date, it is unknown if these spring and autumn spawning herring constitute genetically distinct units. We assessed levels of genetic divergence between spring and autumn spawning herring in the Baltic Sea using two types of DNA markers, microsatellites and Single Nucleotide Polymorphisms, and compared the results with data for autumn spawning North Sea herring. Temporally replicated analyses reveal clear genetic differences between ecotypes and hence support reproductive isolation. Loci showing non-neutral behaviour, so-called outlier loci, show convergence between autumn spawning herring from demographically disjoint populations, potentially reflecting selective processes associated with autumn spawning ecotypes. The abundance and exploitation of the two ecotypes have varied strongly over space and time in the Baltic Sea, where autumn spawners have faced strong depression for decades. The results therefore have practical implications by highlighting the need for specific management of these co-occurring ecotypes to meet requirements for sustainable exploitation and ensure optimal livelihood for coastal communities.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0148499&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/25114
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Technical University of Denmark, National Institute of Aquatic Resources, Charlottenlund, Denmark;Estonian University of Life Sciences, Institute of Veterinary Medicine and Animal Sciences, Department of Aquaculture, Tartu, Estonia;University of Tartu, Estonian Marine Institute, Pärnu, Estonia;Institute for Global Food Security, Queen’s University Belfast, Belfast, United Kingdom;University of Tartu, Estonian Marine Institute, Pärnu, Estonia

Recommended Citation:
Dorte Bekkevold,Riho Gross,Timo Arula,et al. Outlier Loci Detect Intraspecific Biodiversity amongst Spring and Autumn Spawning Herring across Local Scales[J]. PLOS ONE,2016-01-01,11(4)
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