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

被引：0

作者：

Tereshchenko, V. G. ^{[1
]}

Kuznetsov, V. A. ^{[2
]}

Shakirova, F. M. ^{[3
]}

Tereshchenko, L. I. ^{[1
]}

机构：

[1] Russian Acad Sci, Papanin Inst Biol Inland Waters, Nekouzskii Raion, Yaroslavl Oblas, Russia

[2] Kazan State Fed Univ, Kazan, Russia

[3] Russian Fed Res Inst Fisheries & Oceanog, Tatarstan Branch, Kazan, Russia

来源：

INLAND WATER BIOLOGY | 2020年 / 13卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

method; accuracy; fish; population; abundance of generations; ANTARCTIC FUR SEALS; AGE STRUCTURE; GROWTH; DEMOGRAPHY; LOBSTER;

D O I：

10.1134/S1995082920010162

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

The 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.

引用

页码：98 / 103

页数：6

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