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updated 02/10/2005
Education Interests Projects Services Publication


Ph.D: Tokyo University of Fisheries, Department of Fisheries, 2000
Dissertation: gZooplankton community structure in the eastern Indian Ocean sector, Antarctica"

M. Sc.: Tokyo University of Fisheries, Department of Fisheries, 1997
Dissertation: gZooplankton community structure change off Wilkes Land, Antarctica,
with special reference to ecological importance of salpsh

B.A.: College of the Atlantic (ME, U.S.A), 1994
Major: Human Ecology with concentration on Marine Biology


  • Biological oceanography
  • Climate variation and marine ecosystem responses in the North Pacific using historically collected observational data set, with the particular interests on the lower trophic level environments and plankton community structure
  • Zooplankton ecology in the Arctic and Antarctic oceans


  • Reponses of the Lower trophic level ecosystem to the spatio-temporal environmental variations in the Arctic Ocean. Grant-in Aid for Scientific Research, JSPS, FY2003-2005
  • Studies on long term variation of ocean ecosysten/climate interactions based on the Odate collection,Global Environmental Research Fund, Japanese Ministry of the Environment, FY2003-2005
  • Effects of global warming on the Antarctic Ocean ecosystem: special interests on ecological roles of salps,
    Sasakawa Scientific Research Grant from the Japan Science Society, FY1998-1999
  • Growth and the optimal feeding conditions of Salpa thompsoni, Australian National Antarctic Research (ANARE) Project FY 1998


  • Member of SCOR WG125 gGlobal Comparison of Zooplankton Time Seriesh, FY2005-
  • Member of the CFAME (Climate Forcing and Marine Ecosystem Response) Task Team, PICES/CCCC, FY2005-
  • Member of the Japan GLOBEC subcommittee, FY2004-
  • Editorial Board Member of Journal of Plankton Research, FY2004-
  • Member of the International GLOBEC Focus2 Working Group, FY2003-


    (with review)
  • Chiba S, Tadokoro K, Sugisaki H, Toshiro S (submitted) Effects of the North Pacific decadal oscillation on plankton phenology in the western subarctic North Pacific based on 50 years of zooplankton data, the Odate Collection. Global Change Biol.
  • Chiba S., Hirota Y, Hasegawa S, Saino T (2005) North-south contrast in decadal scale variations in lower trophic level ecosystems in the Japan Sea. Fish Oceanogr. 14F401-412.
  • Tadokoro K, Chiba S, Ono T, Midorikawa T, Saino T (2005) Interannual variations of Neocalanus copepods biomass in the Oyashio water, western subarctic North Pacific. Fish Oceanogr. 14: 210-222.
  • Tsuda A, Kiyosawa H., Mochizuki M, Shiga N, Saito H, Chiba S, Kuwata A, Imai K, Nishioa J, Ono T, Jundholm N (2005) Responses of diatoms to iron-enrichment in the western subarctic Pacific, and comparison of species composition with those of surrounding area. Prog Oceanogr. 64: 189-205.
  • Chiba S, Ono T, Tadokoro K, Midorikawa T, Saino T (2004) Increased stratification and decreased lower tropic level productivity in the western subarctic North Pacific - a 30 years retrospective study -. J Oceanogr Special Issue on JGOFS North Pacific Synthesis. 60:149-162.
  • Miller A, Chai F, Chiba S, Moisan JR, Neilson DJ (2004) Decadal-scale climate and ecosystem interactions of the North Pacific Ocean. J Oceanogr Special Issue on JGOFS North Pacific Synthesis. 60: 163-188.
  • Perry RI, Batchelder HP, Durbin E, Greve W, Mackas, DL, Chiba S, Verheye H (2004) Identifying global synchronies in marine zooplankton populations: issues and opportunities. ICES J Mar Sci. 61: 445-456.
  • Yamada K, Ishizaka J, Yoo S, Kim H, Chiba S (2004) Seasonal and interannual variability of sea surface chlorophyll a concentration in the Japan (East) Sea. Prog Oceanogr. 61: 193-211.
  • Chiba S, Saino T (2003) Variation in mesozooplankton community structure in the Japan/East Sea (1991-1999) with possible influence of the ENSO scale climatic variability. Progress in Oceanography. 57: 317-339.
  • Chiba S, Saino T (2002) Interdecadal change in upper water environment altered spring diatom community structure in the Japan Sea: an early summer hypothesis. Mar Ecol Prog Ser. 231:23-35.

  • Chiba S, Ishimaru T, Hosie GW, Fukuchi M (2002) Spatio-temporal variability in life cycle strategy of four pelagic Antarctic copepods: Rhincalanus gigas, Calanoides acutus, Calanus propinquus and Metridia gerlachei. Polar Bioscience 15: 27-44.

  • Chiba S, Hirawake T, Ushio S, Horimoto N, Satoh R, Nakajuma Y, Ishimaru T, Yamaguchi Y (2000) An overview of the biological/oceanographic survey by the RTV Umitaka-Maru III off Adelie Land, Antarctica in January-February 1996. Deep-Sea Res II 47: 2589-2613.

  • Chiba S, Ishimaru T, Hosie GW, Wright SW (1999) Population structure change of Salpa thompsoni from austral mid-summer to autumn. Polar Biol 22: 341-349.

  • Chiba S, Horimoto N, Satoh R, Yamaguchi Y, Ishimaru T (1998) Macrozooplankton distribution around the Antarctic Divergence off Wilkes Land in 1996 austral summer: with reference to high abundance of Salpa thompsoni. Proc NIPR Symp Polar Biol 11: 33-50.

    (without review)
  • Chiba S (2005) The Odate Project Report: Phenological change in the Oyashio copepod communities for 1960-2002. GLOBEC News Letter. 11: 11-12.

  • Chiba S, Aita MN, Tadokoro K (2005) Recommendation toward better modeling vol. 2: Retrospective study and prediction of global marine ecosystem change - tackling biological complexity -. Kaiyo Monthly. 37: 618-623. (in Japanese).

  • Saito S, Chiba S, Nakata K, Yatsu A (2004) Did a regime shift occur in 1998 around Japan? Highlights from a symposium addressing this question. PICES Press. 12: 21-24.

  • Chiba S (2003) Breakthrough of plankton study for global change. Bull Plankton Soc Japan. 50: 36-40 (in Japanese with English abstract).

  • Chiba S, Saiino T (2003) Response of lower trophic level ecosystem to climate change in the Japan Sea. Kaiyo Monthly. 393:155-161 (in Japanese).

  • Tadokoro T, Chiba S, Saino T (2003) Interannual variation of Neocalanus copepods biomass in the Oyashio Water. Kaiyo Monthly 35: 19-24 (in Japanese).

  • Chiba S (2002) The Plankton Center for Global Change. Ship & Ocean Newsletter 48: 4-5.

  • Chiba S (2001) Japan Sea time-series: Qualitative study on lower trophic level ecosystem may reveal the process on climate-ecosystem interaction. PICES Scientific Report, 18: 93-96.

  • Chiba S (2001) Let the plankton community tell their story: environment- ecosystem interaction. Kaiyo Monthly, Spec Issue 27: 12-18 (in Japanese).

  • Tanimura A, Hosie GW, Chiba S (1999) Zooplankton as an index of environmental change. Kaiyo Monthly 31: 795-803 (in Japanese).

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