| Budget Amount *help |
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Research Abstract |
The agricultural weed diversity in the Edo and Satoyama(Meiji to Early Syowa) era has been estimated by the archaeobotanical weed seed remains. The weed seed data of Edo era was taken from the well preserved paddy field remains from the Ikego site in Kanagawa and Kitashirakawa-oiwakecho site in Kyoto. The results showed that the diversity of paddy field weeds were relatively high, with the dominance of aquatic herbs, especially in Najas species. The weed seed data of Satoyama era was taken from the sediment core at the Nakaikemi moor in Fukui. The results showed that the weed diversity in the Satoyama era was relatively low.
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