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Accuracy of Assessing the Abundance of Fish Generations under Conditions of Incomplete Initial Information

by Shakirova, F. M , Tereshchenko, L. I , Tereshchenko, V. G , Kuznetsov, V. A

in Abundance / Accuracy / Age composition / Age groups / Age structure / Approximation / Aquatic organisms / Fish / Fishing / Fishing equipment / Relative abundance

2020

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Accuracy of Assessing the Abundance of Fish Generations under Conditions of Incomplete Initial Information

by Shakirova, F. M , Tereshchenko, L. I , Tereshchenko, V. G , Kuznetsov, V. A

in Abundance / Accuracy / Age composition / Age groups / Age structure / Approximation / Aquatic organisms / Fish / Fishing / Fishing equipment / Relative abundance

2020

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Accuracy of Assessing the Abundance of Fish Generations under Conditions of Incomplete Initial Information

by Shakirova, F. M , Tereshchenko, L. I , Tereshchenko, V. G , Kuznetsov, V. A

in Abundance / Accuracy / Age composition / Age groups / Age structure / Approximation / Aquatic organisms / Fish / Fishing / Fishing equipment / Relative abundance

2020

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Journal Article

Accuracy of Assessing the Abundance of Fish Generations under Conditions of Incomplete Initial Information

Shakirova, F. M,

Tereshchenko, L. I,

Tereshchenko, V. G,

Kuznetsov, V. A

2020

Overview

AbstractThe accuracy of estimating the relative abundance of generations of fish species under conditions of incomplete initial information is analyzed. Using the example of bream from the Kuibyshev Reservoir, it is shown that, if the information on the age structure is lost for 1 to 8 years, the error in estimating the abundance of generations averages from 5 to 15%. This makes it possible to apply this modification of the method of loss from fishing to estimate the abundance of fish generations in the current conditions. This method of estimating the number of generations may be useful in the analysis not only of fish, but also of other aquatic organisms.

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Springer Nature B.V

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