TABLE OF CONTENTS Page FOREWORD vii 1. REPORT OF THE PICES WORKSHOP ON THE OKHOTSK SEA AND ADJACENT AREAS 1 1.Outline of the workshop 1 2.Summary reports from sessions 1 3.Recommendations of the workshop 10 4.Acknowledgments 10 II. SCIENTIFIC PAPERS SUBMITTED FROM SESSIONS 1.Physical OceanographySessions A. Circulation and water mass structure of the Okhotsk Sea and Northwestern Pacific Valentina D. Budaeva & Vyacheslav G. Makarov. Seasonal variability of the pycnocline in La Perouse Strait and Aniva Gulf 13 Valentina D. Budaeva & Vyacheslav G. Makarov. Modeling of the typical water circulations in the La Perouse Strait and Aniva Gulf region 17 Nina A. Dashko, Sergey M. Varlamov, Young-Ho Han & Young-Seup Kim. Anticyclogenesis over the Okhotsk Sea and its influence on weather 21 Boris S. Dyakov, Alexander A. Nikitin & Vadim P. Pavlychev. Research of water structure and dynamics in the Okhotsk Sea and adjacent Pacific 29 Howard J. Freeland, Alexander S. Bychkov, C.S. Wong, Frank A. Whitney & Gennady I. Yurasov. The Ohkotsk Sea component of Pacific Intermediate Water 36 Emil E. Herbeck, Anatoly I. Alexanin, Igor A. Gontcharenko, Igor I. Gorin, Yury V.Naumkin & Yury G.Proshjants.Some experience of the satellite environmental support of marine expeditions at the Far East Seas 45 Alexander A. Karnaukhov. The tidal influence on the Sakhalin shelf hydrology 54 Yasuhiro Kawasaki. On the formation process of the subsurface mixed water around the Central KurilIslands 61 Lloyd D. Keigwin. Northwest Pacific paleohydrography 71 Talgat R. Kilmatov. Physical mechanisms for the North Pacific Intermediate Water formation 78 Vladimir A. Luchin. Water masses in the Okhotsk Sea 81 Andrey V. Martynov, Elena N. Golubeva & Victor I. Kuzin. Numerical experiments with finite element model of the Okhotsk Sea circulation 89 Nikolay A. Maximenko, Anatoly I. Kharlamov & Raissa I. Gouskina. Structure of Intermediate Water layer in the Northwest Pacific 99 Nikolay A. Maximenko & Andrey Yu. Shcherbina. Fine-structure of the North Pacific Intermediate Water layer 104 Renat D. Medjitov & Boris I. Reznikov. An experimental study of water transport through the Straits of Okhotsk Sea by electromagnetic method111 iii ValentinaV. Moroz. Oceanological zoning of the Kuril Islands area in the spring-summer period 117 YutakaNagata. Note on the salinity balance in the Okhotsk Sea 120 Alexander D.Nelezin. Variability of the Kuroshio Front in 1965-1991 124 Vladimir I. Ponomarev,Evgeny P. Varlaty &MikhailYu.Cheranyev. An experimental study of currents in the near-Kuril region of the Pacific Ocean and in the Okhotsk Sea 131 Stephen C. Riser, GennadyI. Yurasov&Mark J.Warner.Hydrographic and tracer measurements of the water mass structure and transport in the Okhotsk Sea in early spring 138 KonstantinA. Rogachev & Andrey V. Verkhunov. Circulation and water mass structure in the southern Okhotsk Sea, as observed in summer, 1994 144 Lynne D. Talley. North Pacific Intermediate Water formation and the role of the Okhotsk Sea 150 Anatoly S. Vasiliev & Fedor F. Khrapchenkov. Seasonal variability of integral water circulation in the Okhotsk Sea 158 B. Sea ice and its relation to circulation and climate V.P. Gavrilo, G.A. Lebedev & A.P. Polyakov. Acoustic methods in sea ice dynamics studies 167 Nina M. Pestereva &LarisaA. Starodubtseva.The role of the Far-East atmospheric circulation in the formation of the ice cover in the Okhotsk Sea 172 Yoshihiko Sekine. Anomalous Oyashio intrusion and its teleconnection with Subarctic North Pacific circulation, sea ice of the Okhotsk Sea and air temperature of the northern Asian continent 177 C. Wavesand tides Vladimir A. Luchin. Characteristics of the tidal motions in the Kuril Straits 188 George V. Shevtchenko. On seasonal variability of tidal constants in the northwestern part of the Okhotsk Sea 194 D. Physical oceanography of the Japan Sea/East Sea MikhailA.Danchenkov, Kuh Kim,IgorA.Goncharenko&Young-Gyu Kim. A "chimney" of cold salt waters near Vladivostok 198 Christopher N.K. Mooers& Hee SookKang. Preliminary results from a numerical circulation model of the Japan Sea 202 Lev P. Yakunin. Influence of ice production on the deep water formation in the Japan Sea 215 2.Fisheries and Biology Sessions A. Communitiesof the OkhotskSea and adjacent waters: composition, structure and dynamics LubovA.Balkonskaya. Exogenous succession of the southwestern Sakhalin algal communities 221 TatyanaA. Belan,YelenaV. Oleynik, AlexanderV. Tkalin &Tat'yana S. Lishavskaya. Characteristics of pelagic and benthic communities on the North Sakhalin Island shelf 227 iv LevN. Bocharov & Vladimir K. Ozyorin.Fishery and oceanographic database of Okhotsk Sea 230 Victor V. Lapko. Interannual dynamics of the epipelagic ichthyocen structure in the Okhotsk Sea 237 Valentina I.Lapshina. Quantitative seasonal and year-to-year changes of phytoplankton in the Okhotsk Sea and off Kuril area of the Pacific 240 Lyudmila N. Luchsheva. Biological productivity in anomalous mercury conditions (northern part of Okhotsk Sea) 247 InnaA. Nemirovskaya. Origin of hydrocarbons in the ecosystems of coastal region of the Okhotsk Sea 253 Tatyana A. Shatilina. Elements of the Pacific South Kuril area ecosystem 257 VyacheslavP. Shuntov& YelenaP.Dulepova. Biota of the Okhotsk Sea: Structure of communities, the interannual dynamics and current status 263 B. Abundance, distribution, dynamics of the common fishes of the Okhotsk Sea YuriP.Diakov. Influence of some abiotic factors on spatial population dynamics of the West Kamchatka flounders(Pleuronectidae) 272 GordonA. McFarlane, Richard J. Beamish &LarisaM.Zverkova. An examination of age estimates of walleye pollock(7heragra chalcogramma)from the Sea of Okhotskusingthe burnt otolith method and implications for stockassessmentand management 78 Larisa P.Nikolenko. Migration of Greenland turbot(Reinhardtius hippoglossoides)in the Okhotsk Sea 286 GalinaM. Pushnikova. Fisheries impact on the Sakhalin-Hokkaido herring population 292 Vidar G. Wespestad. Is pollock overfished? 299 C. Salmon ofthe OkhotskSea: biology, abundance and stock identification Vladimir A. Belyaev,Alexander Yu.Zhigalin. Epipelagic Far Eastern sardine of the Okhotsk Sea 304 YuriE.Bregman, Victor V. Pushnikov, Lyudmila G.Sedova&Vladimir Ph. Ivanov. A preliminary report on stock status and productive capacity of horsehair crabErimacrus isenbeckii(Brandt) in the South Kuril Strait 12 Natalia T.Dolganova. Mezoplankton distribution in the West Japan Sea 318 VladimirV. Efremov, Richard L. Wilmot,ChristineM.Kondzela, Natalia V. Varnavskaya,SharonL. Hawkins & Maria E. Malinina. Application of pink and chum salmon genetic baseline to fishery management 25 VyacheslavN. Ivankov& Valentina V. Andreyeva. Strategy for culture, breeding and numerous dynamics of Sakhalin salmon populations 332 Alla M.Kovalevskaya, Natalia I. Savelyeva & DmitryM.Polyakov.Primary production in Sakhalin shelf waters 337 Tatyana N. Krupnova. Some reasons for resource reduction ofLaminaria japonica(Primorye region) 341 Lyudmila N. Luchsheva & AnatoliyI.Botsul. Mercury in bottom sediments of the northeastern Okhotsk Sea 345 V PavelA. Luk'yanov,Natalia I.Belogortseva,Alexander A. Bulgakov, Alexander A. Kurika & Olga D. Novikova.Lectins and glycosidases from marine macro and micro-organisms of Japan and OkhotskSeas 348 Boris A. Malyarchuk,OlgaA. Radchenko, Miroslava V. Derenko,Andrey G. Lapinski&LeonidL. Solovenchuk. PCR-fingerprinting of mitochondrial genome of chum salmon,Oncorhynchus keta 353 Alexander A.Mikheev. Chaos and relaxation in dynamics of the pink salmon (Oncorhynchus gorbuscha)returns for two regions 356 Yuri A.Mitrofanov&LarisaN. Lesnikova. Fish-culture of PacificSalmons increasesthe number of heredity defects 363 Larisa P.Nikolenko. Abundance of young halibut along the West Kamchatka shelf in 1982-1992 367 SergeyA. Nizyaev. Living conditions of golden king crabLithodes aequispina in the OkhotskSea and nearthe Kuril Islands 371 Ludmila A. Pozdnyakova & Alla V. Silina.Settlements of Japanesescallop in Reid Pallada Bay (Sea of Japan) 375 GalinaM. Pushnikova. Features of the Southwest Okhotsk Sea herring 378 Vladimir I. Radchenko&IgorI. Glebov. Present state of the Okhotsk herring stock and fisheries outlook 384 Alla V. Silina&IdaI. Ovsyannikova. Distribution of the barnacleBalanus rostratus eurostratusnear the coasts of Primorye (Sea of Japan) 391 Galina I.Victorovskaya. Dependence of urchinStrongylocentrotus intermedius reproduction on water temperature 396 Anatoly F.Volkov,Alexander Y. Efimkin& ValeryI.Chuchukalo.Feeding habits of Pacific salmon in the Sea of Okhotskand in thePacific waters of KurilIslands in summer 1993 400 Larisa M. Zverkova& Georgy A. Oktyabrsky. Okhotsk Sea walleye pollock stock status 403 Tatyana N. Zvyagintseva, Elena V. Sundukova, Natalia M. Shevchenko & LudmilaA. Elyakova. Water soluble polysaccharides of some Far- Eastern seaweeds 408 3.Biodiversity Program A. Biodiversity of island ecosystems and seasides of the North Pacific LarissaA. Gayko. Productivity of Japanese scallopPatinopecten yessoensis (IAY) culture in Posieta Bay (Sea of Japan) 417 III. APPENDICES 1.List of acronyms 423 2.List of participants 424 vi FOREWORD This proceedings is from the Workshop on the Okhotsk Sea and Adjacent Areas held in Vladivostok in June 1995. The Workshop was recommended by the Physical Oceanography and Climate Committee to complement the Working Group 1 Report on The Okhotsk Sea and Oyashio Region (PICES Scientific Report No. 2 1995). The following are to be thanked for their efforts in editing