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Diel migration pattern of pink salmon fry in small streams

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Title: Diel migration pattern of pink salmon fry in small streams
Authors: Yamada, Taihei Browse this author
Urabe, Hirokazu Browse this author
Nakamura, Futoshi Browse this author →KAKEN DB
Keywords: behaviour
Issue Date: Apr-2022
Publisher: John Wiley & Sons
Journal Title: Journal of fish biology
Volume: 100
Issue: 4
Start Page: 1088
End Page: 1092
Publisher DOI: 10.1111/jfb.15007
Abstract: Downstream migration is a critical stage in the anadromous salmonid life cycle, but previous studies have shown different results between rivers or surveys for the diel downstream migration pattern of the fry of the pink salmon Oncorhynchus gorbuscha. We investigated the diel migration pattern of pink salmon fry in three small streams. Our results showed that pink salmon fry migrate mainly within a few hours after sunset; 89.9% of migration occurred between 18:00 and 23:00. Therefore, the results indicated that sunset time influences the diel migration pattern of pink salmon fry in small streams. This pattern could be a predator-avoidance behaviour.
Rights: This is the peer reviewed version of the following article: Yamada, T., Urabe, H., & Nakamura, F. (2022). Diel migration pattern of pink salmon fry in small streams. Journal of Fish Biology, 100(4), 1088-1092. , which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山田 太平

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