Monitoring of the stocks of valuable commercial fish species are planned in the near future in the Leningrad region. While the situation in this area of concern.
As the head of the Northwest branch of Glavrybvod Maxim Syrytsa, “populations of the most valuable commercial species of fish is constantly decreasing and without measures for artificial reproduction in the near future they may disappear. Today we have to admit that the existing volumes of release of juveniles of valuable species in most cases only contribute to the conservation of local stocks and populations, keeping their numbers, which remained stable at a low level.”
According to Severo-the Western territorial administration Rosrybolovstva, in 2017 to compensate for the damage caused to aquatic bioresources, was 72 signed the agreement on artificial reproduction with 54 local businesses. As a result, in fishery water bodies of the Leningrad regions released 328 275 instances of mixed-age juveniles and larvae.
In the framework of the gozzadini branches of Glavrybvod in 2017 in water objects of fishery Leningrad regions released 3 363 862 pieces of different ages of juvenile fish and fish larvae.
As told Fishnews in the press-service SZTU Rosrybolovstva, today the specialists are tasks to increase the efficiency of works on artificial reproduction on the basis of the modernization of existing material and technical base, reconstruction of obsolete facilities, construction of new plants, the attraction of commercial fish farms for rearing juveniles. In the near future it is necessary to organize the monitoring of the current state of stocks of valuable commercial fish, whose numbers are steadily declining, including objects that are in the red book. New objects of artificial reproduction, according to scientists, should become such the most valuable commercial species – some forms of whitefish of lake Ladoga (Volkhov along with), Nevsky whitefish, perch and others.
According to the materials: fishnews.ru