Characterization of feeding and downstream migration of juvenile chum salmon in the Kichiga river (north-eastern kamchatka)
https://doi.org/10.15853/2072-8212.2020.59.39-50
Abstract
Analysis of the data of fish biology spring-summer researches in the Kichiga river basin in the period 2017–2019 for the first time brought results as next: characterized dynamics of chum salmon juvenile downstrean migration, including daily dynamics, revealed qualitative characteristics of the underyearlings, described diet of the juvenile migrants, demonstrated effects of the spring-summer hydrological regime on the intensity of the underyearling feeding. Also noted, that the conditions for the downstream migration of chum salmon in 2018 were maximum favouravle, and most likely that could enhance later juvenile survival.
About the Authors
E. S. Voronova
Kamchatka Branch of Russian Research Institute of Fisheries and Oceanography (“KamchatNIRO”)
Russian Federation
Russian Federation
Senior specialist
683000 Petropavlovsk-Kamchatsky, Naberezhnaya Str., 18
Tel.: +7 (4152) 41-07-74
T. N. Travina
Kamchatka Branch of Russian Research Institute of Fisheries and Oceanography (“KamchatNIRO”)
Russian Federation
Russian Federation
Leading specialist
683000 Petropavlovsk-Kamchatsky, Naberezhnaya Str., 18
Tel.: +7 (4152) 41-07-74
A. M. Biryukov
Kamchatka Branch of Russian Research Institute of Fisheries and Oceanography (“KamchatNIRO”)
Russian Federation
Russian Federation
Senior specialist
683000 Petropavlovsk-Kamchatsky, Naberezhnaya Str., 18
Tel.: +7 (4152) 41-07-74
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Review
For citations:
Voronova E.S., Travina T.N., Biryukov A.M. Characterization of feeding and downstream migration of juvenile chum salmon in the Kichiga river (north-eastern kamchatka). The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean. 2020;(59):39-50. (In Russ.) https://doi.org/10.15853/2072-8212.2020.59.39-50
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