Resource studies were conducted on the Mesna River in the Nenets Autonomous Okrug

 

35 km of the river were surveyed. A route survey of spawning and nursery areas was conducted. The branch specialists carried out control catches of ichthyofauna, assessed the density of settlement of juvenile Atlantic salmon in spawning and nursery areas. The work program also included sampling for hydrobiological research. In addition, genetic samples were collected to study salmon juveniles.

 

During the rafting, pink salmon spawning sites were discovered and post-spawning dead individuals were recorded.

 

The collected material will be used to assess the number of aquatic bioresources, prepare forecast materials, substantiate the raw material base of fisheries, and develop measures to regulate fisheries.

 

Press Service of VNIRO