Features of exploitation of high-number industrial chum salmon Oncorhynchus keta on the example of Lake Tunaicha (south-eastern Sakhalin): problems and proposed solutions

• Published in: Izvestiya TINRO
• Main Authors: Y. I. Ignatyev, N. V. Kolpakov, V. D. Nikitin, T. G. Koreneva
• Format: Article in Journal/Newspaper
• Language: Russian
• Published: Transactions of the Pacific Research Institute of Fisheries and Oceanography 2022
• Subjects: озеро тунайча; кета; донерестовая гибель; рыбоучетное заграждение; Aquaculture. Fisheries. Angling; SH1-691; Keta; Okhotsk; Sakhalin
• Online Access: https://doi.org/10.26428/losos_bull16-2022-96-109; https://doaj.org/article/f044006062ed4ae69baa12328c5966ed

In Lake Tunaicha mainly artificial reproduction of chum salmon is carried out. The escapement is at a high level — more than 1 million fish. Significant pre-settlement mortality of chum salmon has been regularly observed in the lake basin over the last three years (2019–2021). The scale of fish mort...