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SKED (March 2014)

The Study of Kuroshio Ecosystem Dynamics for Sustainable Fisheries (SKED)



Summary of the project

Kuroshio is a warm western boundary current of the North Pacific Ocean flowing along Rhukyu Islands and Japan. In spite of low-nutrient concentration of Kuroshio water, various fish species use the Kuroshio region as spawning and/or nursery grounds, and good fisheries grounds are formed in the region. In order to understand the mechanisms of high fisheries productivity from oligotrophic condition, i.e., Kuroshio Paradox, and to find a way for sustainable use of the ecosystem services, we started an interdisciplinary research project SKED (Study of Kuroshio Ecosystem Dynamics for Sustainable Fisheries) in October 2011, funded by the MEXT (Ministry of Education, Culture, Sports, Science and Technology, Japan. SKED is a 10-years project to 2021.

The themes of this project are:

  • Theme 1: Physical mechanisms controlling the variability in nutrient supply
  • Theme 2: Phytoplankton species composition and productivity
  • Theme 3: Ecosystem structure and biogenic elemental cycling
  • Theme 4: Fisheries and ecosystem interactions
  • Theme 5: Mathematical model analyses for understanding the ecosystem dynamics and sustainable use of ecosystem services

To reach the goal of SKED, we use both mathematical modeling and field observation including satellite remote sensing.


Area of study

Kuroshio region (from Taiwan to Japan), western North Pacific


Time Table for activities

October 2011 - March 2021



SKED Website



Hiroaki SAITO

Past IMBER SSC (2007-2008)

Fisheries Research Agency, Shiogama, Japan


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