Silicate to Nitrate Ratio of the Upper Sub-Arctic Pacific and the Bering Sea Basin in Summer: Its Implication for Phytoplankton Dynamics Isao KoikeHiroshi OgawaHideki Fukuda OriginalPaper Pages: 253 - 260
Distribution of Trace Bioelements in the Subarctic North Pacific Ocean and the Bering Sea (the R/V Hakuho Maru Cruise KH-97-2) Yukiyo FujishimaKazumasa UedaYoshiki Sohrin OriginalPaper Pages: 261 - 273
Bio-Optical Properties of Seawater in the Western Subarctic Gyre and Alaskan Gyre in the Subarctic North Pacific and the Southern Bering Sea during the Summer of 1997 Hiroaki SasakiSei-Ichi SaitohMotoaki Kishino OriginalPaper Pages: 275 - 284
δ15N of PON and Nitrate as a Clue to the Origin and Transformation of Nitrogen in the Subarctic North Pacific and Its Marginal Sea Masao MinagawaMami OhashiNorihiro Noda OriginalPaper Pages: 285 - 300
Basin-Scale Geographic Patterns of Bacterioplankton Biomass and Production in the Subarctic Pacific, July–September 1997 Toshi NagataRumi FukudaIsao Koike OriginalPaper Pages: 301 - 313
Biogeochemical Variation in Dimethylsulfide, Phytoplankton Pigments and Heterotrophic Bacterial Production in the Subarctic North Pacific during Summer Kazushi AranamiShuichi WatanabeToshi Nagata OriginalPaper Pages: 315 - 322
Spatial Heterogeneity in Distributions of Chlorophyll a Derivatives in the Subarctic North Pacific during Summer Masato HayashiKen FuruyaHiroshi Hattori OriginalPaper Pages: 323 - 331
Standing Crops of Planktonic Ciliates and Copepod Nauplii in the Subarctic North Pacific and the Bering Sea in Summer Hiroshi ItoAkira Taniguchi OriginalPaper Pages: 333 - 339
Geographical Variation of Body Size of Neocalanus cristatus, N. plumchrus and N. flemingeri in the Subarctic Pacific and Its Marginal Seas: Implications for the Origin of Large Form of N. flemingeri in the Oyashio Area Atsushi TsudaHiroaki SaitoHiromi Kasai OriginalPaper Pages: 341 - 352
Diel Changes in Vertical Distribution and Feeding Conditions of the Chaetognath Parasagitta elegans (Verill) in the Subarctic Pacific in Summer Sohey MatsudaAkira Taniguchi OriginalPaper Pages: 353 - 360
Biomass, Abundance, and Vertical Distribution of Micronekton and Large Gelatinous Zooplankton in the Subarctic Pacific and the Bering Sea during the Summer of 1997 Jun NishikawaShuhei NishidaKouichi Kawaguchi OriginalPaper Pages: 361 - 375
Monothalamous Soft-Shelled Foraminifera at an Abyssal Site in the North Pacific: A Preliminary Report Andrew J. GoodayHiroshi KitazatoTakashi Toyofuku OriginalPaper Pages: 377 - 384
