Article

Interregional differentiation of chum salmon from Sakhalin and South Kurils inferred from microsatellite markers

Russian Journal of Genetics (impact factor: 0.43). 06/2008; 44(7):833-840. DOI:10.1134/S1022795408070119 pp.833-840

ABSTRACT Variability at ten microsatellite loci was examined in wild and hatchery populations of chum salmon (Oncorhynchus keta Walbaum) from the Sakhalin Island and Southern Kuril Islands, Iturup and Kunashir. Substantial genetic differences between
Sakhalin and South Kurils chum salmon (the differentiation reached 6.0%) were revealed. Statistically significant differences
between chum salmon from Iturup and those from Kunashir were demonstrated, as well as between the chum salmon populations
from different rivers within the islands. It was shown that in different types of population comparisons, different marker
sets were most informative.

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Keywords

chum salmon
 
chum salmon populations
 
different types
 
Iturup
 
microsatellite loci
 
Oncorhynchus keta Walbaum
 
Sakhalin
 
Sakhalin Island
 
South Kurils chum salmon
 
Southern Kuril Islands
 
Substantial genetic differences
 
wild