Satellite tracking of juvenile whale sharks, Rhincodon typus, in the Northwestern Pacific
Satellite tracking of juvenile whale sharks, Rhincodon typus, in the Northwestern Pacific
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DOI：
10.1016/j.fishres.2006.11.030
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发表时间：
2007-03-01
影响因子：
2.4
通讯作者：
Liu, Kwang-Ming
中科院分区：
文献类型：
--
作者：
Hsu, Hua-Hsun;Joung, Shoou-Jeng;Liu, Kwang-Ming
使用智能位置和温度传输（SPOT 2）卫星标签（Wildlife Computers Ltd.）在2002年和2004年。通过Argos卫星系统成功地收到了三只雄性（全长4.0-4.5米）的信号。今年4月被标记的两只鲨鱼在被释放后也有类似的路线。他们花了最多的时间在公海上，这表明这是一个重要的时期，在西北太平洋的青少年鲸鲨的生活史。此外，他们通常占据水温在23至32摄氏度之间的地区。另一条在11月被标记的鲨鱼在被释放后的第一个月内在海脊上方移动，然后在冬季沿着台湾东部和北方沿海沃茨迁移。这条鲨鱼停留在黑潮区，那里的水温在25 - 29摄氏度之间，然后移动到中国沿岸流区的边缘，那里的温度很低（14-21摄氏度），并留在那里。在追踪的最后15天里，鲨鱼转移到台湾沿海沃茨，那里的温度在17到24摄氏度之间。三个人潜入温度为6摄氏度的沃茨深处。平均游泳速度在28.3 - 34.6公里/天之间。它们可以在很短的时间内加速到11-13公里/小时。它们的运动模式似乎与边界流有关，边界流可能带来丰富的猎物，鲨鱼在浮游生物密度较高的沃茨停留的时间较长。这些结果为西北太平洋鲸鲨的洄游路线提供了重要信息，可为世界上最大鱼类的保护和管理提供参考。(c)2006 Elsevier B. V.保留所有权利。
Four juvenile whale sharks, Rhincodon typus were tagged using smart position and temperature transmitting (SPOT2) satellite tags (Wildlife Computers Ltd.) during 2002 and 2004. Transmissions from three males (4.0-4.5 m total length) were successfully received via the Argos satellite system. Two sharks tagged in April had similar routes after being released. They spent the most time in open sea suggesting that it is an important period in the life history of juvenile whale shark in the Northwestern Pacific. In addition, they generally occupied areas where the water temperatures were between 23 and 32 degrees C. Another shark tagged in November moved above the sea ridges in the first month after being released then migrated along the eastern and northern coastal waters of Taiwan during winter. This shark stayed in the Kuroshio Current region where the water temperature was between 25 and 29 degrees C, then moved to the edge of the China Coastal Current region where the temperature was low (14-21 degrees C) and remained there. In the last 15 days of the tracking, the shark shifted to the coastal waters of Taiwan where the temperature was between 17 and 24 degrees C. Three individuals dive deep into waters where the temperature was 6 degrees C. The average swimming speed was between 28.3 and 34.6 km/day. They could accelerate to 11-13 km/h for a very short time period. Their movement patterns appeared to be related to boundary currents, which may bring abundant prey, and sharks stayed in waters with higher plankton densities for a longer time. These results provide important information on migratory routes of whale sharks in the Northwestern Pacific, and can be used as a reference for the conservation and management on the world's largest fish. (c) 2006 Elsevier B.V. All rights reserved.