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Otolith edge fingerprints as approach for stock identification of Genidens barbus

机译:耳石边缘指纹作为识别Genidens barbus的方法

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摘要

The purpose of this paper is to assess the use of multi-elemental otolith fingerprints as a tool to delimit catfish Genidens barbus fish stocks in four estuaries from the southwestern Atlantic Ocean. Barium:Calcium (Ca), Magnesium:Ca, Manganese:Ca, Sodium:Ca and Strontium:Ca ratios in the otolith edge were determined by LA-ICPMS. PERMANOVA analysis reveal significant differences in the multi-element signatures among estuaries (p = 0.0001-0.002). Reclassification rates of quadratic discriminant analysis are high, averaging 89.9% (78-100%). The new data presented here show that the otolith chemistry is a potential tool for stock identification, and indicates the presence of at least four stocks which should probably be handled independently. (C) 2017 Elsevier Ltd. All rights reserved.
机译:本文的目的是评估使用多元素耳石指纹图谱作为划定大西洋西南部四个河口cat鱼Genidens barbus鱼种群的工具的使用。通过LA-ICPMS测定耳石边缘的钡:钙(Ca),镁:Ca,锰:Ca,钠:Ca和锶:Ca比。 PERMANOVA分析显示出河口中多元素特征的显着差异(p = 0.0001-0.002)。二次判别分析的重分类率很高,平均为89.9%(78-100%)。此处提供的新数据表明,耳石化学是鉴定种群的一种潜在工具,并表明存在至少四种可能应独立处理的种群。 (C)2017 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Estuarine Coastal and Shelf Science》 |2017年第15期|92-96|共5页
  • 作者单位

    Univ Buenos Aires, INPA CONICET UBA, Inst Invest Prod Anim, Buenos Aires, DF, Argentina|Univ Buenos Aires, Fac Ciencias Vet, Av Chorroarin 280,C1427CWO, Buenos Aires, DF, Argentina;

    UFPR, Dept Zool, Programa Posgrad Zool, Ctr Politecn, 19-020 Jardim Amer, Curitiba, Parana, Brazil;

    Univ Chile, Dept Geol, Plaza Ercilla 803, Santiago 8370450, Chile|Univ Chile, Ctr Excelencia Geotermia Andes CEGA, Plaza Ercilla 803, Santiago 8370450, Chile;

    Univ Chile, Dept Geol, Plaza Ercilla 803, Santiago 8370450, Chile|Univ Chile, Ctr Excelencia Geotermia Andes CEGA, Plaza Ercilla 803, Santiago 8370450, Chile;

    Univ Fed Rio Grande FURG, Inst Oceanog, Av Italia,Km 8, BR-96203900 Rio Grande, RS, Brazil;

    Univ Rio de Janeiro UFRJ, Inst Biol, Lab Biol & Tecnol Pesqueira, Av Carlos Chagas Filho 373 B1, BR-21941599 Rio De Janeiro, Brazil;

    Univ Chile, Dept Geol, Plaza Ercilla 803, Santiago 8370450, Chile|Univ Chile, Ctr Excelencia Geotermia Andes CEGA, Plaza Ercilla 803, Santiago 8370450, Chile;

    Univ Buenos Aires, INPA CONICET UBA, Inst Invest Prod Anim, Buenos Aires, DF, Argentina|Univ Buenos Aires, Fac Ciencias Vet, Av Chorroarin 280,C1427CWO, Buenos Aires, DF, Argentina|Univ Buenos Aires, Fac Ciencias Vet, Ctr Estudios Transdisciplinarios Agua CETA UBA, Av Chorroarin 280,C1427CWO, Buenos Aires, DF, Argentina;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Catfish; Multi-elemental fingerprints; Stock delimitation; South-western Atlantic estuaries;

    机译:fish鱼;多元素指纹;种群划界;西南大西洋河口;

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