Genetic Stock Identification of Chinook Salmon, Oncorhynchus tshawytscha (Walbaum)

摘要

The Kamchatka Peninsula is the only area in Asia where chinook salmon, Oncorhynchus tshawytscha (Walbaum), are abundant. There are two big river drainages (Kamchatka River on the east coast and Bolshaya River on the west coast of the Peninsula) with abundant populations of chinook salmon and many small chinook populations inhabiting smaller Kamchatkan rivers. Using starch gel electrophoresis, we studied the protein gene frequencies at approximately 70 loci in 14 collections from 7 rivers including the Kamchatka and Bolshaya rivers. Thirty loci were found to be variable in Asian populations Genetic diversity was highly significant among Kamchatkan populations.