Chum salmon Oncorhynchus keta (Walbaum) on the continental coast of the Okhotsk Sea. Communication 1. The spawners

Chum salmon is a widely spread species on the continental coast of the Okhotsk Sea presented exclusively by typical anadromous phenotype.Abundance of the runs is well correlated with length of the spawning rivers, whereas dynamics cosavet df of the runs is determined by variations of climate conditions and press of commercial fishery.Detailed data on geographic and temporal structure of the species are presented, as the summarized data on timing and dynamics of the spawning migration and information on geographic marc bolan grab and interannual variability of biological parameters of the spawners.