North Pacific Anadromous Fish Commission

Bulletin 2

North Pacific Anadromous Fish Commission Bulletin Number 2 (2000)

Recent Changes in Ocean Production of Pacific Salmon

Proceedings of the 1999 Symposium on Recent Changes in Ocean Production of Pacific Salmon, November 1-2, 1999, Juneau, Alaska, U.S.A.

Editors: John H. (Jack) Helle, Yukimasa Ishida, Don Noakes and Vladimir Radchenko

Consulting Editor: Philip Symons

Technical Editors: Hiroko Omori and Wakako Morris


Topic 1:  Physical and biological factors affecting ocean production of Pacific salmon

Synthesis and review of US research on the physical and biological factors affecting ocean production of salmon
Katherine W. Myers, Robert V. Walker, H. Richard Carlson, and John H. Helle
Pages 1–9 | PDF (1,155 KB)

Recent changes in the pelagic nekton community off Oregon and Washington in relation to some physical oceanographic conditions
Robert L. Emmett and Richard D. Brodeur
Pages 11–20 | PDF (1,281 KB)

Winter zooplankton biomass in the subarctic North Pacific, with a discussion on the overwintering survival strategy of Pacific salmon (Oncorhynchus spp.)
Kazuya Nagasawa
Pages 21–32 | PDF (1,349 KB)

Movements, food and predators of juvenile chum salmon (Oncorhynchus keta) entering the coastal Sea of Japan off northern Hokkaido in warm and cool years
Hiroshi Kawamura, Satoshi Kudo, Mahito Miyamoto, Mistuhiro Nagata, and Kazuo Hirano
Pages 33–41 | PDF (1,053 KB)

Variation in summer distribution of the prey of Pacific salmon (Oncorhynchus spp.) in the offshore Gulf of Alaska in relation to oceanographic conditions, 1994-98
Kerim Y. Aydin, Katherine W. Myers, and Robert V. Walker
Pages 43–54 | PDF (1,622 KB)

Feeding ecology of sockeye and pink salmon in the Gulf of Alaska
Masahide Kaeriyama, Megumi Nakamura, Mami Yamaguchi, Hiroshi Ueda, Gen Anma, Shogo Takagi, Kerim Y. Aydin, Robert V. Walker, and Katherine W. Myers
Pages 55–63 | PDF (944 KB)

Diet comparisons indicate a competitive interaction between ocean age-0 chum and coho salmon
Jacquelynne R. King and Richard J. Beamish
Pages 65–74 | PDF (1,116 KB)

Density-dependence of chum salmon in coastal waters of the Japan Sea
Masa-aki Fukuwaka and Toshiya Suzuki
Pages 75–81 | PDF (795 KB)

Tissue degeneration in chum salmon and carrying capacity of the North Pacific Ocean
Natalia Klovatch
Pages 83–88 | PDF (774 KB)

Food habits of juvenile salmon in the Gulf of Alaska July-August 1996
Mary E. Auburn and Steve E. Ignell
Pages 89–97 | PDF (964 KB)

Diel catches and food habits of sockeye, pink, and chum salmon in the central Bering Sea in summer
Nancy D. Davis, Kerim Y. Aydin, and Yukimasa Ishida
Pages 99–109 | PDF (2,020 KB)

Seasonal habitat use and early marine ecology of juvenile Pacific salmon in Southeastern Alaska
Joseph A. Orsi, Molly V. Sturdevant, James M. Murphy, Donald G. Mortensen, and Bruce L. Wing
Pages 111–122 | PDF (1,584 KB)

Feeding and energy characteristics of juvenile pink salmon during fall marine migrations
V.G. Yerokhin and V.I. Shershneva
Pages 123–130 | PDF (811 KB)

Size of sockeye salmon smolts and freshwater age of adults in Azabachye Lake (Kamchatka River Basin)
V.F. Bugayev
Pages 131–135 | PDF (536 KB)

Time of annulus formation on scales of chum salmon in the North Pacific Ocean in 1998 and 1999
Ellen C. Martinson and John H. Helle
Pages 137–143 | PDF (774 KB)

Topic 2: Detection of trends, patterns, and changes in historical salmon and environmental data

Present state of Asian coho salmon (Oncorhynchus kisutch) stocks
V.I. Radchenko and I.I. Glebov
Pages 145–154 | PDF (1,266 KB)

Changing the balance: interactions between hatchery and wild Pacific coho salmon in the presence of regime shifts
Donald J. Noakes, Richard J. Beamish, Rusty Sweeting, and Jackie King
Pages 155–163 | PDF (1,169 KB)

Density interactions between pink salmon (Oncorhynchus gorbuscha) and chum salmon (O. keta) and their possible effects on distribution and growth in the North Pacific Ocean and Bering Sea
Tomonori Azumaya and Yukimasa Ishida
Pages 165–174 | PDF (1,080 KB)

Long-term changes in the biolgocial parameters of chum salmon of the Okhotsk Sea
V.V. Volobuev
Pages 175–180 | PDF (686 KB)

Factors influencing abundance of sockeye salmon (Oncorhynchus nerka) from the Ozernaya River, Southwest Kamchatka
V.F. Bugayev and V.A. Dubynin
Pages 181–189 | PDF (1,127 KB)

Review of ocean salmon research by Japan from 1991 to 1998
Yukimasa Ishida, Yasuhiro Ueno, Kazuya Nagasawa, and Akihiro Shiomoto
Pages 191–201 | PDF (1,203 KB)

Long-term changes in the climate and ocean environment in the Okhotsk Sea and western North Pacific and abundance and body weight of East Sakhalin pink salmon
Kazuya Nagasawa
Pages 203–211 | PDF (1,009 KB)

Identification of pink salmon (Oncorhynchus gorbuscha) runs in the ocean off the Kuril Islands, Russia
A. Shubin and S. Kovalenko
Pages 213–219 | PDF (740 KB)

Ocean distribution of Columbia River Upriver Bright Fall chinook salmon stocks
James G. Norris, Saang-Yoon Hyun, and James J. Anderson
Pages 221–232 | PDF (1,345 KB)

Topic 3: Forecasts and models of Pacific salmon dynamics

Ocean growth of sockeye salmon from the Kvichak River, Bristol Bay based on scale analysis
Alexey G. Isakov, Ole A. Mathisen, Steve E. Ignell, and Terrance J. Quinn II
Pages 233–245 | PDF (1,628 KB)

Recent reduction in chum salmon (Oncorhynchus keta) growth and its consequences for reproduction
A.M. Kaev
Pages 247–253 | PDF (719 KB)

Wild and hatchery production and recruitment of autumn chum salmon (Oncorhynchus keta Walbum) in the Tym River, Sakhalin, 1960-1998
A. Kovtun
Pages 255–261 | PDF (666 KB)

Topic 4: New research methods and techniques in ocean salmon research

Application of microsatellite DNA variation to estimation of stock composition and escapement of Skeena River sockeye salmon (Oncorhynchus nerka)
Terry D. Beacham, Chris C. Wood, Ruth E. Withler, Khai D. Le
Pages 263–276 | PDF (1,764 KB)

Early summer movements of tagged pink salmon off southwester Sakhalin Island, 1995-1998
I.M. Ivanova
Pages 277–282 | PDF (637 KB)

Geographic origin of high-seas chum salmon determined by genetic and thermal otolith markers
Shigehiko Urawa, Morihiko Kawana, Gen Anma, Yoshihiko Kamei, Takayuki Shoji Masa-aki Fukuwaka, Kristen M. Munk, Katherine W. Myers, and Edward V. Farley, Jr.
Pages 283–290 | PDF (1,026 KB)

The use of thermal otolith marks to determine stock-specific ocean distribution and migration patterns of Alaskan pink and chum salmon in the North Pacific Ocean 1996-1999
H. Richard Carlson, Edward V. Farley, Jr., and Katherine W. Myers
Pages 291–300 | PDF (1,215 KB)

Using temperatures from data storage tags in bioenergetic models of high-seas salmon growth
Robert V. Walker, Katherine W. Myers, Nancy D. Davis, Kerim Y. Aydin and Kevin D. Friedland
Pages 301–308 | PDF (884 KB)

Genetic stock identification of sockeye salmon captured in the coastal waters of Unalaska Island during April/May and August 1998
Charles M. Guthrie III, Edward V. Farley, Jr., Noele M.L. Weemes, and Ellen C. Martinson
Pages 309–315 | PDF (786 KB)

Spatial variations in early marine growth and condition of thermally marked juvenile pink and chum salmon in the coastal waters of the Gulf of Alaska
Edward V. Farley, Jr. and H. Richard Carlson
Pages 317–323 | PDF (746 KB)

Using the coordinates of some character points of scales for differentiation of Pacific salmon Stocks
O.M. Zaporozhets and G.V. Zaporozhets
Pages 325–329 | PDF (716 KB)

Back-calculated fish lengths, percentages of scale growth, and scale measurements for two scale measurement methods used in studies of salmon growth
Ellen C. Martinson, Michele M. Masuda, and John H. Helle
Pages 331–336 | PDF (706 KB)

Digitized scale and otolith microstructures as correlates of juvenile pink salmon size
Dean L. Courtney, Donald G. Mortensen, and Joseph A. Orsi
Pages 337–345 | PDF (1,290 KB)

Variations in muscle lipid content of high-seas chum and pink salmon in winter
Tetsuichi Nomura, Shigehiko Urawa, and Yasuhiro Ueno
Pages 347–352 | PDF (670 KB)

Manipulating the timing of a chum salmon (Oncorhynchus keta) runs using preserved sperm
Hiroyasu Sato, Akifumi Amagaya, Minoru Ube, Nobukazu Ono, and Hyuma Kudo
Pages 353–357 | PDF (617 KB)

Closing Remarks

Page 359 | PDF (118 KB)