Bulletin 1

North Pacific Anadromous Fish Commission Bulletin Number 1 (1998)

Assessment and Status of Pacific Salmonid Stocks

Proceedings of the 1996 Symposium on Assessment and Status of Pacific Rim Salmonid Stocks October 28-29, 1996, Sapporo, Japan.

Editors: David W. Welch, Douglas M. Eggers, Kiyoshi Wakabayashi, and Vladimir I. Karpenko

Technical Editors: Hisashi Endo and David W. Welch

Background Papers

Historical trends of fisheries, stock condition, and hatchery production. (Page 1-53)

Trends in the status of Pacific salmon populations in Washington, Oregon, California, and Idaho
By Robert Kope and Tom Wainwright
Pages 1–5 | PDF (905 KB)

History and status of Pacific salmon in British Columbia
By M.A. Henderson and C.C. Graham
Pages 13–22 | PDF (1,252 KB)

Historical trends of salmon fisheries and stock conditions in Japan
Osamu Hiroi
Pages 23–27 | PDF (457 KB)

Historical trends of fisheries and stock condition of Pacific salmon in Russia
V.I. Radchenko
Pages 28–37 | PDF (1,166 KB)

A historical perspective on salmonid production from Pacific Rim hatcheries
Conrad Mahnken, Gregory Ruggerone, William Waknitz, and Thomas Flag
Pages 38–53 | PDF (1,882 KB)

Topic 1: Components of salmonid life history concerning stock assessment and status

Growth studies from 1956-95 collections of pink and chum salmon scales in the central North Pacific Ocean
R.V. Walker, K.M. Myers, and S. Ito
Pages 54–65 | PDF (1,594 KB)

Seasonal growth patterns of Pacific salmon (Oncorhynchus spp.) in offshore waters of the North Pacific Ocean
Yukimasa Ishida, Soto-o Ito, Yasuhiro Ueno, and Junko Sakai
Pages 66–80 | PDF (1,022 KB)

Changes in size and age at maturity of two North American stocks of chum salmon(Oncorhynchus keta) before and after a major regime shift in the North Pacific Ocean
John H. Helle and Margaret S. Hoffman
Pages 81–89 | PDF (1,044 KB)

Dynamics of a chum salmon, Oncorhynchus keta, population released from Hokkaido in Japan
Masahide Kaeriyama
Pages 90–102 | PDF (1,477 KB)

Biochemical approach to assessing growth characteristics in salmonids
Teruo Azuma, Takashi Yada, Yasuhiro Ueno, and Munehico Iwata
Pages 103–111 | PDF (1,009 KB)

Correlations between homing, migration, and reproduction of chum salmon
Hiroshi Ueda
Pages 112–117 | PDF (570 KB)

Numerical simulations of Fraser River sockeye salmon homing migration routes in a dynamic marine environment
Dale Kolody and Michael Healey
Pages 118–128 | PDF (1,192 KB)

Blood plasma levels of insulin-like growth Factor-I in Pacific salmon in offshore waters in winter
Katherine W. Myers, Nancy D. Davis, Walton W. Dickhoff, and Shigehiko Urawa
Pages 129–137 | PDF (900 KB)

Variation in prey size selectivity of fingerling chum salmon (Oncorhynchus keta) in sea life: effects of stomach fullness and prey abundance
Toshiya Suzuki and Masa-aki Fukuwaka
Pages 138–145 | PDF (793 KB)

Caloric value of high-seas salmon prey organisms and simulated salmon ocean growth and prey consumption
N.D. Davis, K.W. Myers, and Y. Ishida
Pages 146–162 | PDF (1,716 KB)

Life history strategy and migration pattern of juvenile sockeye (Oncorhynchus nerka) and chum salmon (O. keta) in Japan: a review
Masahide Kaeriyama and Hiroshi Ueda
Pages 163–171 | PDF (754 KB)

Age determination and growth of lacustrine sockeye salmon, Oncorhynchus nerka, in Lake Toya
Hiroyuki Sakano, Masahide Kaeriyama, and Hiroshi Ueda
Pages 172–189 | PDF (1,620 KB)

Scale and otolith patterns prove growth history of Pacific salmon
Masa-aki Fukuwaka
Pages 190–198 | PDF (892 KB)

Topic 2: Salmon population ecology affecting stock assessment and status

Stock identification of chinook salmon (Oncorhynchus tshawytscha) in the north Pacific Ocean and Bering Sea by parasite tags
S. Urawa, K. Nagasawa, L. Margolis, and A. Moles
Pages 199–204 | PDF (627 KB)

Are naturally-occurring parasite “tags” stable? An appraisal from four case histories involving Pacific salmonids
L. Margolis
Pages 205–212 | PDF (825 KB)

Simulations of the even-year Asian pink salmon (Oncorhynchus gorbuscha) genetic baseline to determine accuracy and precision of stock composition estimates
S. Hawkins, N. Varnavskaya, J. Pohl, and R.L. Wilmot
Pages 213–219 | PDF (610 KB)

Genetic stock identification of chum salmon in highseas test fisheries in the western North Pacific Ocean and Bering Sea
Gary A. Winans, Paul B. Aebersold, Yukimasa Ishida, and Shigehiko Urawa
Pages 220–226 | PDF (1,072 KB)

A comparison of methods of stock identification for sockeye salmon (Oncorhynchus nerka) in Barkley Sound, British Columbia
T.D. Beacham, L. Margolis, and R.J. Nelson
Pages 227–239 | PDF (1,462 KB)

Estimating salmon escapement using area-under-the-curve, aerial observer efficiency, and stream-life estimates: the Prince William Sound pink salmon example
Brian G. Bue, Stephen M. Fried, Samuel Sharr, Daniel G. Sharp, John A. Wilcock, and Harold J. Geiger
Pages 240–250 | PDF (926 KB)

Ocean mortality of northeast Kamchatka pink salmon and influencing factors
V.I. Karpenko
Pages 251–261 | PDF (1,075 KB)

Migration timing, a life history trait important in the genetic structure of pink salmon
A.J. McGregor S. Lane, M.A. Thomason, L.A. Zhivotovsky, W.W. Smoker, and A.J. Gharrett
Pages 262–273 | PDF (1,394 KB)

Determining area of origin of pink salmon juveniles on their catadromous migration in the Okhotsk Sea in 1995 using genetic stock identification techniques
N. Varnavskaya, V. Erokhin, and V.A. Davydenko
Pages 274–284 | PDF (957 KB)

Genetic stock identification of chum salmon harvested incidentally in the 1994 and 1995 Bering Sea trawl fishery
Richard L. Wilmot, Christine M. Kondzela, Charles M. Guthrie, and Michele S. Masuda
Pages 285–299 | PDF (1,331 KB)

Allozyme, mtDNA, and microsatellite variants describe structure of populations of pink and sockeye salmon in Alaska
James E. Seeb, Christopher Habicht, Jefferey B. Olsen, Paul Bentzen, James B. Shaklee, and Lisa W. Seeb
Pages 300–318 | PDF (2,179 KB)

Identification of long and short-term reared masu salmon with quantified scale characteristics
Kazumasa Ohkuma
Pages 319–326 | PDF (706 KB)

On the possibility of using the pink salmon survival measure (R/E) in the forecast of chum salmon returns in north-east Kamchatka
S.A. Sinyakov and A.G. Ostroumov
Pages 327–333 | PDF (578 KB)

Salmon abundance in offshore waters of the North Pacific Ocean and its relationship to coastal salmon returns
Yukimasa Ishida and Soto-o Ito
Pages  334–339 | PDF (634 KB)

Review of the stock condition and fishery of masu and pink salmon of the Sea of Japan
V.V. Tsiger and V.G. Markovtsev
Pages 340–351 | PDF (1,284 KB)

Abundance and biology of Kamchatkan salmon during the initial year of ocean residence
V.I. Karpenko, V.G. Erokhin, and V.P. Smorodin
Pages 352–366 | PDF (1,383 KB)

Incidental by-catch of Pacific salmon during Russian bottom trawl surveys in the Bering Sea and some remarks on its ecology
V.I. Radchenko and I.I. Glebov
Pages 367–374 | PDF (569 KB)

Artificial propagation of chum salmon (Oncorhynchus keta) in Korea
Ki Baek Seong
Pages 375–379 | PDF (423 KB)

Evaluation of the reliability of in-season run size estimation techniques used for southern British Columbia chum salmon (Oncorhynchus keta) runs
P. Ryall
Pages 380–387 | PDF (812 KB)

Topic 3: Relation of North Pacific ecosystem, climate and oceanographic changes to salmon stock production

Long-term variability in Alaskan sockeye salmon abundance determined by analysis of sediment cores
Bruce P. Finney
Pages 388–395 | PDF (777 KB)

Thermal limits on the ocean distribution of steelhead trout (Oncorhynchus mykiss)
D.W. Welch, Y. Ishida, K. Nagasawa, and J.P. Eveson
Pages 396–404 | PDF (1,053 KB)

Do hatchery salmon affect the North Pacific Ocean ecosystem?
William R. Heard
Pages 405–411 | PDF (914 KB)

Interaction between chum salmon and fat greenling juveniles in the coastal Sea of Japan off northern Hokkaido
Hiroshi Kawamura, Mahito Miyamoto, Mitsuhiro Nagata, and KAZUO Hirano
Pages 412–418 | PDF (714 KB)

Predation by salmon sharks (Lamna ditropis) on Pacific salmon (Oncorhynchus spp.) in the North Pacific Ocean
Kazuya Nagasawa
Pages 419–433 | PDF (2,003 KB)

Ecological functioning of Lake Kuril relative to sockeye salmon production
L.V. Milovskaya, M.M. Selifonov, and S.A. Sinyakov
Pages 434–442 | PDF (796 KB)

Recent changes in the marine distribution of juvenile chum salmon off Canada
R.J. Beamish and M. Folkes
Pages 443–453 | PDF (880 KB)

On the coherence of salmon abundance trends and environmental factors
D.J. Noakes, R.J. Beamish, L. Klyashtorin, and G.A. McFarlane
Pages 454–463 | PDF (651 KB)

Long-term climate change and pink salmon stock fluctuations
L.B. Klyashtorin and F.N. Rukhlov
Pages 464–479 | PDF (939 KB)

Fish and seabird predation on juvenile chum salmon (Oncorhynchus keta) in Japanese coastal waters, and an evaluation of the impact
Kazuya Nagasawa
Pages 480–495 | PDF (1,606 KB)

Fluctuations in abundance of pink salmon (Oncorhynchus gorbuscha) in the North Pacific Ocean
M.J. Jaenicke, O.A. Mathisen, and V.I. Radchenko
Pages 496–502 | PDF (539 KB)

Other Presentations (abstract only)

Predation risk as an opportunity for compensatory growth in juvenile coho salmon?
Ulrich G. Reinhardt and Michael C. Healey
Page 503 | PDF (63 KB)

Genetic variation in Asian populations of chum salmon, Oncorhynchus keta (Walbaum)
N.V. Varnavskaya, R.L. Wilmot, C.M. Kondzela, V. Efremov, V.A. Davydenko, Xi. Luan, E.A. Sboeva, and C.M. Guthrie III
Page 504 | PDF (84 KB)

An attempt to identify Okhotsk Sea chum salmon origin and life history by means of scale features
A.M. Kaev
Page 505 | PDF (83 KB)

Mark-recapture estimation of masu salmon (Oncorhynchus masou) smolt numbers in the Masuhoro River, northern Hokkaido
Hirofumi Hayano, Yasuyuki Miyakoshi, Makoto Fujiwara, Kei-ichi Sugiwaka, Mahito Miyamoto, Mitsuhiro Nagata, James R. Irvine
Page 506 | PDF (52 KB)

Change in number of Sakhalin-Kuril Pacific salmon in connection with hatchery development
L.D. Khorevin
Page 507 | PDF (57 KB)

The role of riparian vegetation in the environment of masu salmon juveniles, Oncorhynchus masou
Mitsuhiro Nagata, Hirokazu Sato, Mahito Miyamoto, Shin-ichi Ohkubo, Seiji Yanai, Yu Nagasaka, Tomoya Aoyama, Tatsuya Takami, Hiroshi Kawamula and Hiroshi Kawamura
Page 508 | PDF (72 KB)

Regions of optimal reproduction of pink salmon
O.F. Gritsenko and N.V. Klovach
Page 509 | PDF (78 KB)

Symposium Review
Page 511 | PDF (142 KB)

Closing Remarks
Page 513 | PDF (117 KB)