Keyword: «ob-irtysh basin»

Currently, in the current conditions with aquatic biological resources, the only reasonable way is to carry out a whole range of measures aimed at suppressing illegal fishing, protecting river sections with wintering pits and spawning areas, and activating measures to reproduce valuable fish species. In this paper, using the example of Tobolsk and the Tobolsk district, the issues of protection and reproduction of fish resources are considered. The collection of material for the study was carried out in the following areas: protection of aquatic biological resources, study of the peculiarities of reproduction of sturgeon and white fish at fish farms.