Beacham et al. : Population structure of Oncorhynchus keta across the Pacific Rim 
247 
Table 1 
Summary of the number of sampling sites or populations of chum salmon (Oncorhynchus keta) within each geographic region 
listed in Figure 1. A complete listing of the populations is outlined by Beacham et al. 1 in their Appendix Table 1. n is the number 
of populations sampled within regions. The range of population sample sizes within regions is given in parentheses. 
Geographic area 
Reporting region 
n 
Mean population sample size 
Korea 
Korea 
i 
100 (100-100) 
Japan 
Honshu Island, Sea of Japan Coast 
5 
106(80-160) 
Hokkaido Island, Sea of Japan Coast 
3 
147 (60-280) 
Hokkaido Island, Sea of Okhotsk Coast 
5 
108(50-160) 
Hokkaido Island, Nemuro Strait 
2 
95 (80-110) 
Hokkaido Island, eastern Pacific Coast 
2 
105(80-130) 
Hokkaido Island, western Pacific Coast 
4 
120(80-160) 
Honshu Island, Pacific Coast 
5 
68(19-80) 
Russia 
Primorye 
3 
34(17-49) 
Amur River 
1 
338(338-338) 
Sakhalin Island 
4 
76 (49-149) 
Magadan 
5 
89 (55-120) 
Northern Sea of Okhotsk 
2 
60 (43-76) 
West Kamchatka 
8 
116 (40-249) 
East Kamchatka 
9 
58(39-128) 
Northeast Russia 
2 
87(79-94) 
Arctic Canada 
Mackenzie River 
1 
33(33-33) 
Yukon River 
Lower river summer run (United States) 
11 
185 (92-347) 
Tanana River summer run (United States) 
2 
211 (185-236) 
Tanana River fall run (United States) 
3 
160(80-241) 
Upper Alaska (United States) 
4 
149 (73-229) 
Porcupine River (Canada) 
2 
463 (329-597) 
White River (Canada) 
3 
207(62-486) 
Mainstem Yukon River (Canada) 
4 
144(83-175) 
Teslin River (Canada) 
1 
143(143-143) 
Upper Yukon River early fall (Canada) 
1 
120 (120-120) 
Western Alaska 
Kotzebue Sound 
6 
155 (45-374) 
Norton Sound 
10 
278(50-474) 
Kuskokwim River and bay 
6 
94(68-171) 
Nushagak River 
2 
78(74-82) 
North Central Bristol Bay 
4 
77 (64-92) 
South Bristol Bay 
4 
83 (57-97) 
North Peninsula and Aleutians 
3 
122 (93-179) 
Central Alaska 
Southwest Peninsula 
4 
83(70-104) 
Southeast Peninsula 
3 
91 (87-94) 
Kodiak Island 
3 
89 (71-100) 
Prince William Sound 
4 
98 (92-100) 
Southeast Alaska 
Southeast Alaska 
14 
119 (50-333) 
Queen Charlotte Islands 
West Coast 
11 
209(42-393) 
North Coast 
4 
132 (80-221) 
East Coast 
11 
161 (17-376) 
Skidegate Channel 
8 
181 (79-232) 
Continued 
