Estimating the occurrence of chum salmon <i>Oncorhynchus keta</i> of artificial origin on spawning grounds in the rivers and lakes of Iturup Island

Estimating the occurrence of chum salmon <i>Oncorhynchus keta</i> of artificial origin on spawning grounds in the rivers and lakes of Iturup Island

Artificial reproduction of pacific salmon has been repeatedly criticized due to negative impact on natural populations. One of its aspects is replacement of wild spawners by spawners originated from hatchery on natural spawning grounds. This problem is relevant to Iturup Island, where the chum salmo...

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Bibliographic Details
Main Authors: M. Yu. Stekolshchikova, E. G. Akinicheva, Y. A. Batiuk, I. A. Varaksin
Format: Article
Language:Russian
Published: Transactions of the Pacific Research Institute of Fisheries and Oceanography 2024-12-01
Series:Известия ТИНРО
Subjects:
chum salmon
iturup island
otolith marking
artificial reproduction
spawning ground
straying
Online Access:https://izvestiya.tinro-center.ru/jour/article/view/1004
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