The intensity of scattered light in turbid seawater is a major factor in the turbiditaxis of Japanese anchovy larvae.
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- UOTANI ITSURO
- Department of Fisheries, School of Marine Science and Technology, Tokai University
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- FUKUI ATSUSHI
- Department of Fisheries, School of Marine Science and Technology, Tokai University
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- KOBAYASHI HIROTAKA
- Department of Fisheries, School of Marine Science and Technology, Tokai University
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- SAITO HIROSHI
- Department of Fisheries, School of Marine Science and Technology, Tokai University
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- KAWAGUCHI KOUICHI
- Ocean Research Institute, the University of Tokyo
Bibliographic Information
- Other Title
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- intensity of scattered light in turbid seawater is a major factor in the turbiditaxis of Japanese anchovy larvae
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Abstract
Positive taxis toward turbid seawater (turbiditaxis) is a well-known key factor in the formation of Shirasu (Japanese anchovy larvae, Engraulis japonicus) fisheries in coastal waters. The physical characteristics of turbid seawater, including color, particle size, underwater light intensity, and scattered light intensity, were studied to examine the mechanism by which turbidity lures the larvae using four food colors, polishing powder, and five water colors. The results of taxis tests comparing turbid materials with different characteristics, led to the conclusion that the scattered light intensity of turbid seawater was the key factor causing positive turbiditaxis in anchovy larvae.
Journal
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- Fisheries science
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Fisheries science 66 (2), 294-298, 2000
The Japanese Society of Fisheries Science
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Details 詳細情報について
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- CRID
- 1390282679405057024
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- NII Article ID
- 130003742249
- 10004857997
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- NII Book ID
- AA10993718
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- ISSN
- 14442906
- 09199268
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- NDL BIB ID
- 5384261
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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