252 
Fishery Bulletin 107(2) 
Orikasa 
Namdae I Korea 
j 0.002 | 
Tsugaruishi 
| Hokkaido - eastern Pacific 
Hokkaido - western Pacific 
~Ohkawa 
Honshu 
Pacific 
Uono 
Hayatsuki 
Honshu - Sea of Japan 
Toshibetsu 
Hokkaido - Sea of Japan 
Horonai 
Hokkaido - Sea of Okhotsk 
Nishibetsu l Hokkaido - Nemuro Strait 
Tokushibetsu I Hokkaido - Sea of Okhotsk 
Tcshio i Hokkaido - Sea of Japan 
Avakumovka 
100 
■ Udarnitsa 
Ryazanovka 
■ Tugur 
Naiba 
" lym 
Narva | Primorye 
Kalininka 
Sakhalin Island 
Amur i Amur 
-Kol 
"Kikchik 
Plotnikova 
Bolshaya 
"Okhota 
"Hairusova 
Pymta 
' Vorovskaya 
West Kamchatka 
■ Zhypanova 
" Kamchatka 
— Ulutorsky 
Apuka 
Neipichi 
■ Ossora 
~ Dranka 
• Ivashka 
Karaga 
East Kamchatka 
Ola 
L 41 
- Magadan 
Tauy 
100 
Magadan 
Penzhina 
■ Oklan 
100 
L Kanchalan 
Anadyr 
Northern Sea of Okhotsk 
Utka 
Northeast Russia 
North / Central Bristol Bay 
Peel I Mackenzie River 
Kotzebue Sound 
Lower Yukon summer / Kuskokwim 
Lower Yukon summer / Kuskokwim 
Figure 2 
Neighbour-joining dendrogram of Cavalli-Sforza and Edwards (1967) chord distance for 381 Pacific 
Rim populations of chum salmon (Oncorhynchus keta) surveyed at 14 microsatellite loci. Bootstrap 
values at major tree nodes indicate the percentage of 1000 trees where populations beyond the node 
clustered together. 
