| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Outline of Final Research Achievements |
Iron is essential trace metal for microalgal growth. In axenic culture experiment using a chemically-defined synthetic medium, we examined iron availability for the growth of red tide microalgae. The results showed that iron species used for growth and production of organic ligands such as siderophore by harmful diatom Eucampia zodiacus and harmful dinoflagellate Cochlodinium polykrikoides. And we investigated the minimum iron quota in the cell of eight kinds of main red tide algae and evaluated the permissive cell density and the superiority in the competition with other algal species in coastal area. In the research of coastal area in the Seto Inland Sea, there was a correlation between cell density of harmful red tide algae and concentration of dissolved iron.
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