Hybrid carp saves the vacation spot of Petersburgers
Hybrid silver carp and bighead carp are released into Sestroretsky Razliv in St. Petersburg for biological reclamation. This work allows to deal with algal blooms and Zamora, noted in GosNIORKh.
Another issue of the hybrid of white and bighead carp in Sestroretsky Razliv is a popular place of recreation for residents and guests of St. Petersburg – took place on October 15. The aim of the environmental action is the fight against eutrophication. This is the main reason for the poor ecological condition of the reservoir, said Fishnews in the press service of the State research Institute of lake and river fisheries.
As a result of eutrophication is algal blooms. During this period toxins, which leads to lack of oxygen and hypoxic events. “A hybrid of silver carp has a high resilience. Eating the phytoplankton, zooplankton and detritus, it clears the pond of excess organic matter and thereby performs the function of a biological Meliorator”, – noted in press service.
Hybrid of the white and variegated silver carp staff GosNIORKh instilled in Sestroretsky Razliv in the fall of 2017 as a scientific experiment. The average weight of the universes individuals was 950 – 1500 Held in September 2018 research catches showed that the linkage carp is 3000 g.
As stated by the Director of the Institute Denis Belyaev, habitat for introduction of a hybrid are most comfortable. As a result of staff GosNIORKh environmental studies found that this fish winters and during spring-summer season significantly gaining its biomass.
According to the materials: fishnews.ru