Using the camera traps for permanent monitoring and fi guring out the time of spawning migration and spawn of early morph of sockeye salmon in the Azabachye Lake in 2023

Efficiency of using camera trap to monitor spawning sockeye salmon on small spring-type spawning grounds is evaluated and optimal criteria for installation are determined in the paper. The time of sock- eye salmon migration in different sections of spawning route from Kamchatka Gulf to the spawning grounds in the Azabachye Lake is clarified, and recommendations on the timing of aerial surveys in the lake basin were given.