Migration of Yellowtail in Relation to Intrusions of Warm Water from the Kuroshio
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- Kimura Shingo
- Ocean Research Institute, University of Tokyo
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- Kasai Akihide
- Ocean Research Institute, University of Tokyo Faculty of Agriculture, Kyoto University
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- Sugimoto Takashige
- Ocean Research Institute, University of Tokyo
Bibliographic Information
- Other Title
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- Migration of Yellowtail in Relation to
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Abstract
In the Kumano-nada and Enshu-nada Seas, warm water masses from the Kuroshio intrude into the coastal area depending on the paths type of the Kuroshio. Associated with the intrusions which occur with a period of 50 days from the Izu Peninsula when the Kuroshio takes the B-type path, yellowtail adults called burl migrate to the coastal area. However, the long time-lag between the intrusion and buri catch causes a negative relationship between the temperature and catch. The results suggest that the buri school migrates westward after the water mass has diffused. Since there is a positive relathionship between temperature and catch associated with very rapid intrusions when the Kuroshio takes the C-type path, it is necessary to distinguish oceanographic phenomena in order to understand the fish behavior in response to offshore oceanic changes. In addition, the seasonal horizontal temperature gradient should be considered when estimating the optimum temperature range for fish because the relative temperature change greatly affects fish migration rather than the optimum temperature.
Journal
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- Fisheries science
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Fisheries science 60 (6), 635-641, 1994
The Japanese Society of Fisheries Science
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Keywords
Details 詳細情報について
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- CRID
- 1390282679405817984
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- NII Article ID
- 130003902604
- 40005348118
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- NII Book ID
- AA10993718
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- NDL BIB ID
- 3644311
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- ISSN
- 09199268
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed