| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
The purpose of this study was to investigate the genetic diversity of Sargassum species and to reveal the dispersal capacity of each Sargassum species and the cause of its differences.
Several Sargassum species were collected from various areas in Japan, and the mitochondrial DNA sequences (ca. 2.5 kb) were determined. The result of the comparison between S. fusiforme and S. muticum, which show a similar pattern of distribution around Japan, the remarlable difference of geographic genetic structure between these two species was revealed. The result of the comparison between S. alternato-pinnatum/S. polyporum and S. ilicifolium, which show a similar pattern of distribution around west Japan, the differences of genetic diversity and geographic genetic structure between these two species were not revealed.
It was suggested that the difference of geographic genetic structure between S. fusiforme and S. muticum caused by the difference of dispersal capacity between these two species.
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