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首页> 外文期刊>Environmental Biology of Fishes >Immature Pacific bluefin tuna, Thunnus orientalis, utilizes cold waters in the Subarctic Frontal Zone for trans-Pacific migration
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Immature Pacific bluefin tuna, Thunnus orientalis, utilizes cold waters in the Subarctic Frontal Zone for trans-Pacific migration

机译：不成熟的太平洋蓝鳍金枪鱼，东方金枪鱼，利用北极前额带的冷水进行跨太平洋迁移

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摘要

The habitat and movements of a Pacific bluefin tuna were investigated by reanalyzing archival tag data with sea surface temperature data. During its trans-Pacific migration to the eastern Pacific, the fish took a direct path and primarily utilized waters, in the Subarctic Frontal Zone (SFZ). Mean ambient temperature during the trans-Pacific migration was 14.5 +/- 2.9 (A degrees C A +/- SD), which is significantly colder than the waters typically inhabited by bluefin tuna in their primary feeding grounds in the western and eastern Pacific (17.6 A +/- 2.1). The fish moved rapidly through the colder water, and the heat produced during swimming and the thermoconservation ability of bluefin tuna likely enabled it to migrate through the cold waters of the SFZ.
机译：通过用海面温度数据重新分析档案标签数据，研究了太平洋蓝鳍金枪鱼的栖息地和运动。在跨太平洋向东太平洋的迁移过程中，该鱼直接通过了路径，并主要利用了北极前额带（SFZ）中的水域。跨太平洋迁徙期间的平均环境温度为14.5 +/- 2.9（A CA +/- SD），比西太平洋和东部太平洋蓝鳍金枪鱼在其主要取食地通常栖息的水域要冷得多（17.6） A +/- 2.1）。鱼在较冷的水中迅速移动，游泳时产生的热量和蓝鳍金枪鱼的保温能力很可能使其在SFZ的冷水中迁移。

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