Abstract
Intensive economic use of small rivers and channel water bodies leads to their pollution and siltation. The anthropogenic impact on aquatic ecosystems negatively affects the state of the fish industry, which leads to a reduction in the spawning fund, deterioration of the conditions for reproduction and survival of juveniles. Violation of the existing conditions for the habitat and reproduction of aquatic organisms leads to a decrease in the productivity of water bodies and the loss of their fishery value. The inflow from the catchment area of solid and liquid runoff containing organic matter, oil products and other impurities of anthropogenic and technogenic origin leads to irreversible entry, siltation and shallowing of small rivers and channel water bodies. The restoration of the disturbed hydrological regime of water bodies by means of reclamation works contributes to the restoration of natural spawning grounds for commercial fish species, an increase in yield and productivity.
Highlights
The recommendations define the scope of work and the timing of reclamation work for each object or its part
Reclamation works by cleaning and deepening fish-breeding canals and reservoirs contributes to the restoration of natural spawning grounds for commercial fish species, an increase in yield and productivity
The implementation of measures for the purification and restoration of small rivers and channel water bodies in compliance with the requirements of environmental safety is a necessary condition for the normal functioning and maintenance of a water body in proper sanitary condition [5,6,7,8]
Summary
In order to restore rivers and reservoirs, the federal target program "Development of the water management complex of the Russian Federation for 2012-2020" was developed, approved by the decree of the Government of the Russian Federation of 19.04.2012 No 350, the order of the Federal Agency for Fisheries was adopted to conduct fishery reclamation for 2019-2021 No 87-r dated 10/29/2019. In pursuance of clause 1 of Section III of the Water Strategy of the Russian Federation for the period up to 2020 in terms of the development of fisheries and the existing high fishery potential of water bodies in the Rostov region, research organizations of the Federal State Budgetary Scientific Institution "GosNIORKH" conducted a study of the state of water bodies in the Rostov region and developed recommendations on carrying out measures for fishery reclamation. The rationale for the feasibility of implementing measures in the corresponding water body is presented
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