Evaluation of pacific salmon Oncorhynchus spawning escapement landmarks for the river basins of West Kamchatka

The provided researches on the stock abundance dynamics of Pacific salmon in Kamchatka allowed to work out a unite scheme of harvest control rules (HCR) for the most important regional stock utits. The basis data used included the run, escapement and catch in the 1990–2010s. Theoretical and mathematical principles of substantiation the HCR, based on the use of models “stock recruitment”, are demonstrated in the article. Modeling the HCRs is made in view of precautional approuch to effects on salmon stocks, what provides keeping safe the spawning stock and supporting the runs (returns) above the critical mark (buffer reference point). The latter allows to form conditions for the maximum sustainable yield (MSY) of Pacific salmon in Kamchatka. For now similar approuch to the fishery management is indispensable environmental standard of international principles of the rational use of aquatic biological resources. Moreover practical ap- plications of the HCR models suggested are demonstrated in examples of predicted estimates of the returns of the biggest units of salmon stocks of Kamchatka in 2022.

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Substantiation of the harvest control rules for salmon fishery in Kamchatka in view of the concept of precautionary approuch and providing the maximum sustainable yield

Фельдман

Бугаев

Zikunova

et al. 2022

Issledovaniâ vodnyh biologičeskih resursov Kamčatki i Severo-Za

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Results of using climate-oceanological predictors in a Random Forest model for the forecast of stock abundance dynamics of pink salmon runs in Western Kamchatka

Фельдман

Бугаев

Тепнин

2023

Issledovaniâ vodnyh biologičeskih resursov Kamčatki i Severo-Za

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An improvement of the forecast of pink salmon runs is one of the most actual problems in management of salmon stocks of Kamchatka. Algorhythm of Random Forest with the use of iterative selection of most important climate-oceanological predictors seem to be promising. Three authenticly influental predictors have been found for the model of Random Forest at the error of the forecast of 28%. Verification of the obtained results used alternative methods of selection of the best predictors. Obtained results have demonstrated possibility of the use of considered climate-oceanological predictors in modeling the forecasts of stock abundance dynamics of pink salmon in Western Kamchatka.

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Analytical review of the results of salmon fisheries in Kamchatka Territory in 2018–2022 (forecasts, fisheries, stocks). Сommunication 2 (sockeye salmon, coho salmon, chinook salmon)

Bugaev,

Zikunova,

Artyukhina

et al. 2023

Issledovaniâ vodnyh biologičeskih resursov Kamčatki i Severo-Za

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The paper considers results of the analysis of salmon fisheries in Kamchatka Region in 2018–2022. The material analyzed includes commercial fishery statistics data presenting information on annual, seasonal and daily catches of sockeye salmon, coho salmon, chinook salmon for the main units of the regional stocks. The main patterns are shown and critical points are outlined to justify predictions of the runs/catch of spawners. In addition, multi-year estimates of the variability of spawning stocks of sockeye salmon, coho salmon, chinook salmon with respect to spawning escapement targets are presented.

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Evaluation of pacific salmon Oncorhynchus spawning escapement landmarks for the river basins of West Kamchatka

Cited by 7 publications

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Substantiation of the harvest control rules for salmon fishery in Kamchatka in view of the concept of precautionary approuch and providing the maximum sustainable yield

Substantiation of the harvest control rules for salmon fishery in Kamchatka in view of the concept of precautionary approuch and providing the maximum sustainable yield

Results of using climate-oceanological predictors in a Random Forest model for the forecast of stock abundance dynamics of pink salmon runs in Western Kamchatka

Analytical review of the results of salmon fisheries in Kamchatka Territory in 2018–2022 (forecasts, fisheries, stocks). Сommunication 2 (sockeye salmon, coho salmon, chinook salmon)

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