Import value and country/region of origin per item (year-on-year: April ~ December 2010 and 2011)
“The reduced supply of wakame and other items from Sanriku has affected balance of supply and demand of raw materials across Japan. Fishery processors had to procure raw materials from other parts of Japan or imports to satisfy their demand…Imports increased for items whose production was cut (wakame [seaweed], dried nori, oysters etc.) and items whose products in stock were damaged (saury, Pacific cod) by the Great East Japan Earthquake.”
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This included graph from the Japan Ministry of Agriculture, Forestry, and Fishery report on Japanese fishery post-Fukushima displays a significant surge in wakame (seaweed) imports from Chinese businesses to Japan; therefore, this suggests a level of economic understanding and cooperation between civilian-led businesses in both of the nations in the midst of national tragedy.