...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>ICES Journal of Marine Science >Genetic analyses of ling (Molva molva) in the Northeast Atlantic reveal patterns relevant to stock assessments and management advice
【24h】

Genetic analyses of ling (Molva molva) in the Northeast Atlantic reveal patterns relevant to stock assessments and management advice

机译：东北大西洋林（Molva molva）的遗传分析揭示了与种群评估和管理建议有关的模式

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The ling, Molva molva, is a commercially exploited demersal gadid fish distributed throughout the Northeast Atlantic. Here, we provide the first study of population genetic structure by genotyping 6 geographically distinct samples with 11 microsatellite DNA markers. The results rejected the hypothesis of a single ling stock in the Northeast Atlantic, and rather suggested the existence of two or more groups, with the main grouping represented by a western (comprising Rockall and Iceland) and an eastern group (Faroe Bank, Norway). Significant genetic differences coincide with an expanse of deep water that probably limits connectivity facilitated by migration. Retention in gyres and directional oceanic circulation may also prevent drift and admixture during planktonic life stages. On the other hand, the apparent absence of genetic differentiation within the eastern part of the distribution range indicates gene flow, perhaps by larval drift and migration, over considerable distances. Our findings should contribute to improving stock assessments and monitoring and thus fisheries management advice for the ling.
机译：莫尔瓦（Molva molva）灵是在整个东北大西洋分布的商业化深海鱼类。在这里，我们通过对具有11个微卫星DNA标记的6个地理上不同的样本进行基因分型来提供对种群遗传结构的首次研究。该结果否定了东北大西洋上只有一个种群的假设，而是建议存在两个或多个小组，主要小组由西部小组（包括Rockall和冰岛）和东部小组（Faroe Bank，挪威）代表。显着的遗传差异与深水的泛滥相吻合，这可能限制了迁徙促进的连通性。滞留回旋和定向海洋环流还可以防止浮游生命阶段的漂移和混合。另一方面，在分布范围的东部显然没有遗传分化表明基因的流动，可能是由于幼虫的漂移和迁移所致。我们的发现应有助于改善种群评估和监测，从而为后代提供渔业管理建议。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号