Reproduction of rainbow trout (parasalmo mykiss) of lake lower Kolsay of the state national natural park "Kolsay lakes"
The article presents the materials of fishery scientific research on Lake Lower Kolsay of the State National Natural Park (SNNP) «Kolsay lakes». According to the assignment of the Customer and the Working Program of Research for the current 2022, among other study issues were: clarification of the duration of rainbow trout spawning in Lake Lower Kolsay and the conditions for its reproduction. According to the results of the studies performed, it was established that in this reservoir, despite the absence of areas for reproduction with running water and fast flow, ordinary for rainbow trout, spawning occurs successfully due to the presence of a crushed stone substrate, purity and high transparency of water.According to the results of the studies, it was recommended to reduce the previously established period of the ban on amateur (sports) fishing from 3 to 2 months on Lake Lower Kolsay, as well as Middle Kolsay by a time difference of 10 days, which is important for the leisure of tourists and other vacationers at the SNNP «Kolsay Lakes».