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首页> 外文期刊>Journal of oceanography >Distribution of Nemopilema nomurai in the southwestern Sea of Japan related to meandering of the Tsushima Warm Current
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Distribution of Nemopilema nomurai in the southwestern Sea of Japan related to meandering of the Tsushima Warm Current

机译：对马暖流的蜿蜒与日本西南海野村线虫的分布

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摘要

We investigated the horizontal distribution of Nemopilema nomurai medusae using a midwater trawl in the southwestern Sea of Japan from September to October of each year from 2006 to 2012. Numerous medusae of this species found in 2006, 2007, and 2009 were mainly distributed far (> 40 km) from the mainland of Japan in the western part of the survey area, but were distributed in the stations closest (< 25 km) to the mainland in the eastern part, particularly in 2006 and 2009. These distribution patterns were associated with the path of the second branch of the Tsushima Warm Current (TWC) that flows offshore to the west of Oki Islands and usually approaches the mainland of Japan to the east of Oki Islands. Differences in jellyfish distribution across the survey periods were related to the distribution of the second branch being associated with types, position and intensity of eddies in the eastern part of the survey area. Hence, the formations of eddies and consequent variation in the path of the TWC would be responsible for transporting medusae from offshore to near the mainland to the east of Oki Islands. Individuals with large bells accumulated in the northwestern part of the survey area, where a cyclonic eddy was present downstream of the third branch of the TWC. This variation in bell size distribution may be ascribed to differences in the physical and/or biological factors among the three branches of the TWC.
机译：我们从2006年至2012年每年9月至10月在日本西南海使用中水拖网调查了Nemopilema nomurai medusae的水平分布。2006、2007和2009年发现的该物种的许多水母主要分布在很远的地方（>在调查区域的西部距日本大陆40 km），但分布在东部最靠近大陆（<25 km）的台站，特别是在2006和2009年。对马暖流（TWC）第二分支的路径，该分支流向近海冲绳群岛以西，通常靠近冲绳群岛以东的日本大陆。在整个调查期间，海ly分布的差异与第二分支的分布有关，第二分支的分布与调查区域东部涡流的类型，位置和强度有关。因此，涡旋的形成和TWC路径的变化将负责将水母从近海运到冲绳群岛以东的大陆附近。大钟声的个体聚集在调查区域的西北部，TWC第三分支的下游出现了旋风涡。钟形分布的这种变化可归因于TWC的三个分支之间的物理和/或生物学因素的差异。

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  • 来源
    《Journal of oceanography》 |2015年第3期|287-296|共10页
  • 作者

    Kitajima Satoshi; Iguchi Naoki; Honda Naoto; Watanabe Tatsuro; Katoh Osamu;

  • 作者单位

    Fisheries Res Agcy, Japan Sea Natl Fisheries Res Inst, Chuo Ku, Niigata 9518121, Japan|Fisheries Res Agcy, Seikai Natl Fisheries Res Inst, Nagasaki 8512213, Japan;

    Fisheries Res Agcy, Japan Sea Natl Fisheries Res Inst, Chuo Ku, Niigata 9518121, Japan;

    Fisheries Res Agcy, Japan Sea Natl Fisheries Res Inst, Chuo Ku, Niigata 9518121, Japan;

    Fisheries Res Agcy, Japan Sea Natl Fisheries Res Inst, Chuo Ku, Niigata 9518121, Japan;

    Fisheries Res Agcy, Japan Sea Natl Fisheries Res Inst, Chuo Ku, Niigata 9518121, Japan;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Jellyfish; Midwater trawl; Nemopilema nomurai; Sea of Japan; Tsushima Warm Current;

    机译：海ly;中水拖网;野村线虫;日本海;津岛暖流;

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