Seasonal variability in the lower trophic level environments of the western subtropical Pacific and Oyashio Waters - A retrospective study

Deep-Sea Research Part II: Topical Studies in Oceanography

Volumn 49, Issue 24-25, 2002, Pages 5487-5512

  Limsakul, Atsamon ^a   Saino, Toshiro ^a,b   Goes, Joaquim I ^c   Midorikawa, Takashi ^d  

^a NAGOYA UNIVERSITY   (Japan)

^b JAPAN AGENCY FOR MARINE EARTH SCIENCE AND TECHNOLOGY   (Japan)

^c BIGELOW LABORATORY FOR OCEAN SCIENCES   (United States)

^d JAPAN METEOROLOGICAL AGENCY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

BIODIVERSITY; CHLOROPHYLL; ENVIRONMENTAL IMPACT; HYDROGRAPHIC SURVEYS; NITROGEN; SOLAR RADIATION; TROPICS; WIND STRESS;

SEASONAL VARIABILITY; WATER-COLUMN STABILIZATION;

OCEANOGRAPHY;

NUTRIENT DYNAMICS; PLANKTON; SEASONAL VARIATION; TROPHIC LEVEL;

PACIFIC OCEAN;

ALGAE;

EID: 0036035287     PISSN: 09670645     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0967-0645(02)00208-4     Document Type: Article

References (127)

1. Anderson, G.C., Parsons, T.R., Stephens, K., 1969. Nitrate distribution in the subarctic Northeast Pacific Ocean. Deep-Sea Research I 16, 329-334.
2. Aruga, Y., Ichimura, S., 1968. Characteristics of photosynthesis of phytoplankton and primary production in the Kuroshio. Bulletin of the Misaki Marine Biological Institute, Kyoto University 12, 3-20.
3. Aruga, Y., Monsi, M., 1962. Primary production in the northwestern part of the Pacific off Honshu, Japan. Journal of Oceanography 18, 37-46.
4. Aruga, Y., Yokohama, Y., Nakanishi, M., 1968. Primary productivity studies in February-March in the northwestern Pacific off Japan. Journal of Oceanography 24, 275-280.
5. Astronomical Applications Department, US Naval Observatory. Web services for astronomical data, http://aa.usno.navy.mil/.
6. Atkins, W.R.G., 1923. The phosphate content of fresh and salt waters in its relationship to the growth of the algal plankton. Journal of the Marine Biological Association of the United Kingdom 13, 119-150.
7. Ayukai, T., Hattori, H., 1992. Production and downward flux of zooplankton fecal pellets in the anticyclonic gyre off Shikoku, Japan. Oceanologica Acta 15, 163-172.
8. Banse, K., 1995. Community response to IRONEX. Nature 357, 112.
9. Banse, K., English, D.C., 1999. Comparing phytoplankton seasonality in the eastern and western subarctic Pacific and the western Bering Sea. Progress in Oceanography 43, 235-288.
10. Bienfang, P.K., 1980. Phytoplankton sinking rates in oligotrophic waters off Hawaii, USA. Marine Biology 61, 69-77.
11. Bienfang, P.K., Szyper, J.P., Okamoto, M.Y., Noda, E.K., 1984. Temporal and spatial variability of phytoplankton in a subtropical ecosystem. Limnology and Oceanography 29, 527-539.
12. Bingham, F.M., 1992. Formation and spreading of Subtropical Mode Water in the North Pacific. Journal of Geophysical Research 97, 11177-11189.
13. Bishop, J.K., Rossow, W.B., 1991. Spatial and temporal variability of global surface solar irradiance. Journal of Geophysical Research 96, 16839-16858.
14. Carpenter, E.J., Price, C.C., 1976. Marine Oscillatoria (Trichodesmium): Explanation for aerobic nitrogen fixation without heterocysts. Science 191, 1278-1280.
15. Carpenter, E.J., Romans, K., 1991. Major role of the cyanobacterium Trichodesmium in nutrient cycling in the North Atlantic Ocean. Science 254, 1356-1358.
16. 238U disequilibria. Limnology and Oceanography 32, 189-200.
17. Conkright, M.E., Levitus, S., O'Brien, T., Boyer, T.P., Stephens, C., Johnson, D., Baranova, O., Antonov, J., Gelfeld, R., Rochester, J., Forgy, C., 1999. World Ocean Database 1998: Documentation and Quality Control Version 2.0, Internal Report 14. National Oceanographic Data Center, National Oceanic and Atmospheric Administration.
18. Conkright, M.E., Gregg, W.W., Levitus, S., 2000. Seasonal cycle of phosphate in the open ocean. Deep-Sea Research I 47, 159-175.
19. Dagg, M.J., 1993. Grazing by the copepod community does not control phytoplankton production in the subarctic Pacific Ocean. Progress in Oceanography 32, 163-183.
20. DiTullio, G.R., Laws, E.A., 1991. Impact of an atmospheric-oceanic disturbance on phytoplankton community dynamics in the North Pacific Central Gyre. Deep-Sea Research I 38, 1305-1329.
21. Dodimead, A.J., Favorite, J.F., Hirano, T., 1963. Review of oceanography in the subarctic Pacific region. Bulletin of the International North Pacific Fisheries Commission 13, 1-195.
22. Doyon, P., Klein, B., Ingram, R.G., Legendre, L., Tremblay, J.-E., Therriault, J.-C., 2000. Influence of wind mixing and upper-layer stratification on phytoplankton biomass in the Gulf of St. Lawrence. Deep-Sea Research II 47, 415-433.
23. Eppley, R.W., Swift, E., Redalje, D.G., Landry, M.R., Haas, L.W., 1988. Subsurface chlorophyll maximum in August-September 1985 in the CLIMAX area of the North Pacific. Marine Ecology Progress Series 42, 289-301.
24. Evans, G.T., Parslow, J.S., 1985. A model of annual plankton cycles. Biological Oceanography 3, 327-347.
25. Fanning, K.A., 1992. Nutrient provinces in the sea: Concentration ratios, reaction rate ratios, and ideal covariation. Journal of Geophysical Research 97, 5693-5712.
26. Furuya, K., 1986. Phytoplankton composition and abundance in a regional upwelling off Hachijo Island in August, 1984. In: Takahashi, M., Atkinson, L.P (Eds.), Studies on Regional Upwellings in the Izu Island Area: Cruise Report Series no. 1. University of Tokyo, pp. 73-81.
27. Furuya, K., 1990. Subsurface chlorophyll maximum in the tropical and subtropical western Pacific Ocean: Vertical profiles of phytoplankton biomass and its relationship with chlorophyll a and particulate organic carbon. Marine Biology 107, 529-539.
28. Furuya, K., Marumo, R., 1983. The structure of the phytoplankton community in the subsurface chlorophyll maxima in the western North Pacific Ocean. Journal of Plankton Research 5, 393-406.
29. Furuya, K., Odate, T., Taguchi, K., 1995. Effects of a seamount on phytoplankton production in the western Pacific Ocean. In: Sakai, H., Nozaki, Y. (Eds.), Biogeochemical Processes and Ocean Flux in the Western Pacific. Terra Scientific Publishing Co., Tokyo, pp. 255-273.
30. Gargett, A.E., 1991. Physical processes and the maintenance of nutrient-rich euphotic zones. Limnology and Oceanography 36, 1527-1545.
31. Gargett, A.E., 1997. Physics to fish: Interactions between physics and biology on a variety of scales. Oceanography 10, 128-131.
32. Goes, J.I., Gomes, H.R., Limsakul, A., Balch, B., Saino, T., 2001. El Niño related interannual variations in biological production in the North Pacific Ocean as evidenced by satellite and ship data. Progress in Oceanography 49, 211-225.
33. Hanawa, K., Mitsudera, H., 1987. Variation of water system distribution in the Sanriku coastal area. Journal of Oceanography 42, 435-446.
34. Harrison, W.G., Harris, L.R., Karl, D.M., Knauer, G.A., Redalje, D.G., 1992. Nitrogen dynamics at the VERTEX time-series site. Deep-Sea Research I 39, 1535-1552.
35. Harrison, P.J., Boyd, P.W., Varela, D.E., Takeda, S., Shiomoto, A., Odate, T., 1999. Comparison of factors controlling phytoplankton productivity in the NE and NW subarctic Pacific gyres. Progress in Oceanography 43, 205-234.
36. Hayward, T.L., 1987. The nutrient distribution and primary production in the central North Pacific. Deep-Sea Research I 34, 1593-1627.
37. Hayward, T.L., McGowan, J.A., 1985. Spatial patterns of chlorophyll, primary production, macrozooplankton biomass, and physical structure in the central North Pacific Ocean. Journal of Plankton Research 7, 147-167.
38. Hayward, T.L., Venrick, E.L., McGowan, J.A., 1983. Environmental heterogeneity and plankton community structure in the central North Pacific. Journal of Marine Research 41, 711-729.
39. Honjo, S., 1997. The Northwestern Pacific Ocean, a crucial ocean region to understand global change: Rationale for new international collaborative investigations. In: Tsunogai, S. (Ed.), Biogeochemical Processes in the North Pacific Ocean. Japan Marine Science Foundation, Tokyo, pp. 233-248.
40. Huang, R.X., Russell, S., 1994. Ventilation of the subtropical North Pacific. Journal of Physical Oceanography 24, 2589-2605.
41. Inagake, D., Saitoh, S., 1998. Description of the oceanographic condition off Sanriku, northwestern Pacific, and its relation to spring bloom detected by the Ocean Color and Temperature Scanner (OCTS) images. Journal of Oceanography 54, 479-494.
42. Itou, M., Noriki, S., 1997. Temporal changes of particulate flux observed in the northern Japan Trench. In: Tsunogai, S. (Ed.), Biogeochemical Processes in the North Pacific Ocean. Japan Marine Science Foundation, Tokyo, pp. 262-269.
43. Iwasaka, N., Hanawa, K., 1990. Climatologies of marine meteorological variables and surface fluxes in the North Pacific computed from COADS. Tohoku Geophysical Journal 33, 185-239.
44. Japan Meteorological Agency, 1950-1998. Annual Report of Marine Meteorological and Oceanographic Observation During 1950 to 1998. Japan Meteorological Agency, Tokyo.
45. Kameda, T., Matsumura, S., 1998. Chlorophyll biomass off Sanriku, northwestern Pacific, estimated by Ocean Color and Temperature Scanner (OCTS) and a vertical distribution model. Journal of Oceanography 54, 509-516.
46. Karl, D.M., 1999. A sea of changes: Biogeochemical variability in the North Pacific Subtropical Gyre. Ecosystems 2, 181-214.
47. Karl, D.M., Christian, J.R., Dore, J.E., Hebel, D.V., Letelier, R.M., Tupas, L.M., Winn, C.D., 1996. Seasonal and interannual variability in primary production and particle flux at Station ALOHA. Deep-Sea Research II 43, 539-568.
48. Karl, D.M., Letelier, R.M., Tupas, L.M., Dore, J.E., Christian, J.R., Hebel, D.V., 1997. The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean. Nature 388, 533-538.
49. Kasai, H., Salto, H., Yoshimori, A., Taguchi, S., 1997. Variability in timing and magnitude of spring bloom in the Oyashio region, the western subarctic Pacific off Hokkaido, Japan. Fisheries Oceanography 6, 118-129.
50. Kasai, H., Saito, H., Tsuda, A., 1998. Estimation of standing stock of chlorophyll a and primary production from Remote-Sensed Ocean Color in the Oyashio region, the western subarctic Pacific, during the spring bloom in 1997. Journal of Oceanography 54, 527-537.
51. Kasai, H., Saito, H., Kashiwai, M., Taneda, T., Kusaka, A., Kawasaki, Y., Kono, T., Taguchi, S., Tsuda, A., 2001. Seasonal and interannual variations in nutrients and plankton in the Oyashio region: A summary of a 10-years observation along the A-line. Bulletin of the Hokkaido National Fisheries Research Institute 65, 55-134.
52. Kawai, H., 1972. Hydrography of the Kuroshio extension. In: Stommel, H., Yoshida, K. (Eds.), Kuroshio: Physical Aspects of the Japan Current. University of Washington Press, Seattle, pp. 235-352.
53. Kobari, T., Ikeda, T., 1999. Vertical distribution, population structure and life cycle of Neocalanus cristatus (Crustacea: Copepoda) in the Oyashio region, with notes on its regional variations. Marine Biology 134, 683-696.
54. Kobari, T., Ikeda, T., 2000. Life cycle of Neocalanus species in the Oyashio region (in Japanese with English abstract). Bulletin of the Plankton Society of Japan 47, 129-135.
55. Kono, T., 1997. Modification of the Oyashio Water in the Hokkaido and Tohoku areas. Deep-Sea Research I 44, 669-688.
56. Krom, M.D., Kress, N., Brenner, S., Gordon, L.I., 1991. Phosphorus limitation of primary productivity in the eastern Mediterranean Sea. Limnology and Oceanography 36, 424-432.
57. Levitus, S., 1982. Climatological Atlas of the World Ocean, NOAA Professional Paper 13. US Department of Commerce, National Oceanic and Atmospheric Administration, Rockville, MD, 173 pp.
58. Limsakul, A., Saino, T., Midorikawa, T., Goes, J.I., 2001. Temporal variations in lower trophic level biological environments in the northwestern North Pacific Subtropical Gyre from 1950 to 1997. Progress in Oceanography 49, 129-149.
59. Lohrenz, S.E., Knauer, G.A., Asper, V.L., Tuel, M., Michaels, A.F., Knap, A.H., 1992. Seasonal variability in primary production and particle flux in the northwestern Sargasso Sea: US JGOFS Bermuda Atlantic time-series study. Deep-Sea Research I 39, 1373-1391.
60. Longhurst, A., 1995. Seasonal cycles of pelagic production and consumption. Progress in Oceanography 36, 77-167.
61. Mackas, D.L., Tsuda, A., 1999. Mesozooplankton in the eastern and western subarctic Pacific: Community structure, seasonal life histories, and interannual variability. Progress in Oceanography 43, 335-363.
62. Masuzawa, J., 1969. Subtropical Mode Water. Deep-Sea Research I 16, 463-472.
63. McClain, C.R., Arrigo, K., Tai, K., Turk, D., 1996. Observations and simulations of physical and biological processes at ocean weather station P, 1951-1980. Journal of Geophysical Research 101, 3697-3713.
64. Menzel, D.W., Ryther, J.H., 1960. The annual cycle of primary production in the Sargasso Sea off Bermuda. Deep-Sea Research I 6, 351-367.
65. Michaels, A.F., Knap, A.H., Dow, R.L., Gundersen, K., Johnson, R.J., Sorensen, J., Close, A., Knauer, G.A., Lohrenz, S.E., Asper, V.A., Tuel, M., Bidigare, R., 1994. Seasonal patterns of ocean biogeochemistry at the US JGOFS Bermuda Atlantic time-series study site. Deep-Sea Research I 41, 1013-1038.
66. Miller, J.R., 1976. The salinity effect in a mixed layer ocean model. Journal of Physical Oceanography 6, 29-35.
67. Miller, C.B., Frost, B.W., Wheeler, P.A., Landry, M.R., Welschmeyer, N., Powell, T.M., 1991. Ecological dynamics in the subarctic Pacific, a possibly iron-limited ecosystem. Limnology and Oceanography 36, 1600-1615.
68. Mitchell, B.G., Holm-Hansen, O., 1991. Observations and modeling of the Antarctic phytoplankton crop in relation to mixing depth. Deep-Sea Research I 38, 981-1007.
69. Mullin, J.B., Riley, J.P., 1955. The spectrophotometric determination of nitrate in natural waters with particular reference to sea water. Analytica Chimica Acta 12, 404-480.
70. Murphy, J., Riley, J.P., 1962. Modified single solution method for the determination of phosphate in natural waters. Analytica Chimica Acta 27, 31-36.
71. Noriki S., Iyoda, K., Sasaki, K., 1997. Biogenic particulate flux in the western North Pacific. In: Tsunogai, S. (Ed.), Biogeochemical Processes in the North Pacific Ocean. Japan Marine Science Foundation, Tokyo, pp. 256-261.
72. Odate, K., 1994. Zooplankton biomass and its long-term variation in the western North Pacific Ocean, Tohoku sea area (in Japanese with English abstract). Bulletin of Tohoku National Fisheries Research Institute 56, 115-173.
73. Odate, T., Furuya, K., 1998. Well-developed subsurface chlorophyll maximum near Komahashi No. 2 Seamount in the summer of 1991. Deep-Sea Research I 45, 1595-1607.
74. Odate, T., Maita, Y., 1988. Regional variation in the size composition of phytoplankton communities in the western North Pacific Ocean, spring 1985. Biological Oceanography 6, 65-77.
75. Odate, T., Yanada, M., Castillo, L.V., Maita, Y., 1990. Distribution of cyanobacteria and other picophytoplankton in the western North Pacific Ocean, summer 1989. Journal of Oceanography 46, 184-189.
76. Ondrusek, M.E., Bidigare, R.R., Sweet, S.T., Defreitas, D.A., Brooks, J.M., 1991. Distribution of phytoplankton pigments in the North Pacific Ocean in relation to physical and optical variability. Deep-Sea Research I 38, 243-266.
77. Parsons, T.R., Lalli, C.M., 1988. Comparative oceanic ecology of the plankton communities of the subarctic Atlantic and Pacific Oceans. Oceanography and Marine Biology Annual Reviews 26, 317-359.
78. Polovina, J.J., Mitchum, G.T., Graham, N.E., Craig, M.P., Demartini, E.E., Flint, E.N., 1994. Physical and biological consequences of a climate event in the central North Pacific. Fisheries Oceanography 3, 15-21.
79. Reid, J.L., 1962. On circulation, phosphate-phosphorus content, and zooplankton volumes in the upper part of the Pacific Ocean. Limnology and Oceanography 7, 287-306.
80. Rienecker, M.M., Ehret, L.L., 1988. Wind stress curl variability over the North Pacific from the Comprehensive Ocean-Atmosphere Data Set. Journal of Geophysical Research 93, 5069-5077.
81. Roden, G., 1980. On the subtropical frontal zone north of Hawaii during winter. Journal of Physical Oceanography 10, 342-362.
82. Saijo, Y., Ichimura, S., 1960. Primary production in the northwestern Pacific Ocean. Journal of Oceanography 16, 139-145.
83. Saijo, Y., Iizuka, S., Asaoka, O., 1969. Chlorophyll maxima in Kuroshio and adjacent area. Marine Biology 4, 190-196.
84. Saino, T., 1977. Biological Nitrogen Fixation in the Ocean with Emphasis on the Nitrogen Fixing Blue-green Alga Trichodesmium and its Significance in the Nitrogen Cycling in the Low Latitude Sea Areas. Ph.D. Thesis, Ocean Research Institute, University of Tokyo, Japan, 153 pp.
85. Saino, T., Shang, S., Mino, Y., Suzuki, K., Nomura, H., Saitoh, S., Miyake, H., Masuzawa, T., Harada, K., 1998. Short terra variability of particle fluxes and its relation to variability in sea surface temperature and chlorophyll a field detected by Ocean Color and Temperature Scanner (OCTS) off Sanriku, northwestern North Pacific in the spring of 1997. Journal of Oceanography 54, 583-592.
86. Saito, H., Kasai, H., Kashiwai, M., Kawasaki, Y., Kono, T., Taguchi, S., Tsuda, A., 1998. General description of seasonal variations in nutrients, chlorophyll a, and net-plankton biomass along the A-line transect, western subarctic Pacific, from 1990 to 1994. Bulletin of the Hokkaido National Fisheries Research Institute 62, 1-62.
87. Shinada, A., Ikeda, T., Ban, S., Tsuda, A., 2000a. Seasonal changes in micro-zooplankton grazing on phytoplankton assemblages in the Oyashio region, western subarctic Pacific. Bulletin of the Plankton Society of Japan 47, 85-92.
88. Shinada, A., Ban, S., Ikeda, T., Tsuda, A., Saito, H., 2000b. Seasonal features of planktonic food chains in the Oyashio region (in Japanese with English abstract). Bulletin of the Plankton Society of Japan 47, 119-124.
89. Shiomoto, A., Hashimoto, S., 2000. Comparison of east and west chlorophyll a standing stock and oceanic habitat along the Transition Domain of the North Pacific. Journal of Plankton Research 22, 1-14.
90. Shiomoto, A., Sasaki, K., Shimoda, T., Matsumura, S., 1994a. Kinetics of nitrate and ammonium uptake by the natural populations of marine phytoplankton in the surface water of the Oyashio region during spring and summer. Journal of Oceanography 50, 515-529.
91. Shiomoto, A., Sasaki, K., Shimoda, T., Matsumura, S., 1994b. Primary productivity in the offshore Oyashio in the spring and summer 1990. Journal of Oceanography 50, 209-222.
92. Shiomoto, A., Tadokoro, K., Monaka, K., Nanba, M., 1997. Productivity of picoplankton compared with that of larger phytoplankton in the subarctic region. Journal of Plankton Research 19, 907-916.
93. Shiomoto, A., Hashimoto, S., Murakami, T., 1998. Primary productivity and solar radiation off Sanriku May 1997. Journal of Oceanography 54, 539-544.
94. Small, L.G., Knauer, G.A., Tuel, M.D., 1987. The role of sinking fecal pellets in stratified euphotic zones. Deep-Sea Research 34, 1705-1712.
95. Spall, M.A., 1991. A diagnostic study of the wind- and buoyancy-driven North Atlantic circulation. Journal of Geophysical Research 96, 18509-18518.
96. Stommel, H., 1957. A survey of ocean current theory. Deep-Sea Research 4, 149-184.
97. Strickland, J.D.H., Parsons, T.R., 1972. A Practical Handbook of Seawater Analysis. Fisheries Research Board of Canada, Ottawa.
98. Strom, S.L., Strom, M.W., 1996. Microplankton growth, grazing, and community structure in the northern Gulf of Mexico. Marine Ecology Progress Series 130, 229-240.
99. Suga, T., Hanawa, K., 1990. The mixed-layer climatology in the northwestern part of the North Pacific subtropical gyre and the formation area of Subtropical Mode Water. Journal of Marine Research 48, 543-566.
100. Sugimoto, T., 1994. Gross structures and decadal scale variations in the basin scale climatic and oceanic conditions. In: PICES Scientific Report 1, PICES Office, pp. 35-37 and 71-77.
101. Sugimoto, T., Tadokoro, K., 1997. Interannual-interdecadal variations in zooplankton biomass, chlorophyll concentration and physical environment in the subarctic Pacific and Bering Sea. Fisheries Oceanography 6, 74-93.
102. Sugimoto, T., Tadokoro, K., Furushima, Y., 1995. Climate and weather effects on the chlorophyll concentration in the northwestern North Pacific. In: Sakai, H., Nozaki, Y. (Eds.), Biogeochemical Processes and Ocean Flux in the Western Pacific. Terra Scientific Publishing Co., Tokyo, pp. 575-592.
103. Takahashi, M., Hori, T., 1984. Abundance of picophytoplankton in the subsurface chlorophyll maximum layer in subtropical and tropical waters. Marine Biology 79, 177-186.
104. Takahashi, M., Ichimura, S., 1972. Some aspects of primary production in the northwestern Pacific Ocean. In: Takenouti, A.Y., Anraku, M., Banse, K., Kawamura, T., Nishizawa, S., Parsons, T.R., Tsujita, T. (Eds.), Biological Oceanography of the Northern Pacific Ocean. Idemitsu Shoten, Tokyo, pp. 218-229.
105. Takahashi, M., Kikuchi, K., Hara, Y., 1985a. Importance of picocyanobacteria biomass (unicellular, blue-green algae) in the phytoplankton population of the coastal water off Japan. Marine Biology 89, 63-69.
106. Takahashi, M., Nakai, T., Ishimaru, T., Hasumoto, H., Fujita, Y., 1985b. Distribution of the subsurface chlorophyll maximum and its nutrient-light environment in and around the Kuroshio off Japan. Journal of Oceanography 41, 73-80.
107. Taniguchi, A., 1999. Differences in the structure of the lower trophic levels of pelagic ecosystems in the eastern and western subarctic Pacific. Progress in Oceanography 43, 289-315.
108. Taniguchi, A., Kawamura, T., 1972. Primary production in the Oyashio region with special reference to the subsurface chlorophyll maximum layer and phytoplankton-zooplankton relationships. In: Takenouti, A.Y., Anraku, M., Banse, K., Kawamura, T., Nishizawa, S., Parsons, T.R., Tsujita, T. (Eds.), Biological Oceanography of the Northern Pacific Ocean. Idemitsu Shoten, Tokyo, pp. 231-243.
109. Toda, H., 1986. Copepod abundance during the cruise of KT-84-11. In: Takahashi, M., Atkinson, L.P. (Eds.), Studies on Regional Upwellings in the Izu Island Area: Cruise Report Series no. 1. University of Tokyo, pp. 83-89.
110. Toda, H., 1988. Zooplankton biomass and feeding conditions of some copepod species in Regional Upwellings around Miyake Sima and Mikura Sima Islands during the KT-86-14/15 RV Tansei-Maru Cruises. In: Takahashi, M. (Ed.), Studies on Regional Upwellings in the Izu Island Area: Cruise Report Series no. 2. University of Tokyo, pp. 61-67.
111. Trenberth, K.E., Large, W.G., Olson, J.G., 1990. The mean annual cycle in global ocean wind stress. Journal of Physical Oceanography 20, 1742-1760.
112. Tsuda, A., Sugisaki, H., 1994. In situ grazing rate of the copepod population in the western subarctic North Pacific during spring. Marine Biology 120, 203-210.
113. Tsuda, A., Saito, H., Kasai, H., 1999. Life histories of Neocalanus flemingeri and Neocalanus plumchrus (Calanoida: Copepoda) in the western subarctic Pacific. Marine Biology 135, 533-544.
114. Tsunogai, S., Watanabe, Y., 1983. Role of dissolved silicate in the occurrence of a phytoplankton bloom. Journal of Oceanography 39, 231-239.
115. Venrick, E.L., 1993. Phytoplankton seasonality in the central North Pacific: The endless summer reconsidered. Limnology and Oceanography 38, 1135-1149.
116. Verity, P.G., Stoecker, D.K., Sieracki, M.E., Nelson, J.R., 1993. Grazing, growth and mortality of microzooplankton during the 1989 North Atlantic spring bloom at 47°N, 18°W. Deep-Sea Research I 40, 1793-1814.
117. Vidal, J., 1980a. Physioecology of zooplankton. I. Effects of phytoplankton concentration, temperature, and body size on the growth rate of Calanus pacificus and Pseudocalanus sp. Marine Biology 56, 111-134.
118. Vidal, J., 1980b. Physioecology of zooplankton. II. Effects of phytoplankton concentration, temperature, and body size on the development and molting rates of Calanus pacificus and Pseudocalanus sp. Marine Biology 56, 135-146.
119. Wada, T., Jacobson, L.D., 1998. Regime and stock-recruitment relationships in Japanese sardine (Sardinops melanostictus), 1951-1995. Canadian Journal of Fisheries and Aquatic Sciences 55, 2455-2463.
120. Whitehouse, M.J., Priddle, J., Symon, C., 1996. Seasonal and annual change in seawater temperature, salinity, nutrient and chlorophyll a distributions around South Georgia, South Atlantic. Deep-Sea Research I 43, 425-443.
121. Whitney, F.A., Freeland, H.J., 1999. Variability in upper-ocean water properties in the NE Pacific Ocean. Deep-Sea Research II 46, 2351-2370.
122. Winn, C.D., Campbell, L., Christian, J.R., Letelier, R.M., Hebel, D.V., Dore, J.E., Fujieki, L., Karl, D.M., 1995. Seasonal variability in the phytoplankton community of the North Pacific Subtropical Gyre. Global Biogeochemical Cycles 9, 605-620.
123. Wu, J., Sunda, W., Boyle, E.A., Karl, D.M., 2000. Phosphate depletion in the western North Atlantic Ocean. Science 289, 759-761.
124. Yasuda, T., Hanawa, K., 1997. Decadal changes in the mode waters in the midlatitude North Pacific. Journal of Physical Oceanography 27, 858-870.
125. Yoder, J.A., McClain, C.R., Feldman, G.C., 1993. Annual cycles of phytoplankton chlorophyll concentrations in the global ocean: A satellite view. Global Biogeochemical Cycles 7, 181-193.
126. Yokouchi, K., Tomosada, A., Matsuo, Y., Inagake, D., 1996. Seasonal change in chlorophyll a profiles in the Tohoku Sea Area (in Japanese with English abstract). Bulletin of Tohoku National Fisheries Research Institute 58, 11-26.
127. Yoshimori, A., Ishizaka, J., Kono, T., Kasai, H., Saito, H., Kishi, M.J., Taguchi, S., 1995. Modeling of spring bloom in the western subarctic Pacific (off Japan) with observed vertical density structure. Journal of Oceanography 51, 471-488.