Aquatic bioresources and commercial fisheries features in the lower reaches of the Oka river

The generalized information on the hydrological regime and the level of development of hydrobionts of the lower section of the Oka River is presented. The structure of the fish population of the riparian and medial zones, reservoirs of the lateral system according to scientific research surveys is given. An assessment of the ichthyomass in the area under consideration was carried out with the allocation of the species structure. The features and changes in commercial fishing, catch volumes and catch structure are considered. Recommendations are given for the rational exploitation of aquatic biological resources.