On the duration of life of pink salmon spawners, Oncorhynchus gorbuscha, on spawning grounds and on some factor affecting the life duration

Chebanov, N.A.

Voprosy Ikhtiologii 282: 242-247


Data were presented on the effect of the sex, body length, time of entering the spawning water body of O. gorbuscha spawners, as well as the population density and sex ratio in the water body, on the length of O. gorbuscha stay on the spawning grounds. The study was conducted in western Kamchatka, Russian SFSR, USSR. The length of stay on the spawning grounds is one of the factors affecting the formation of the structure and size of pink salmon populations.