| Budget Amount *help |
¥11,960,000 (Direct Cost: ¥9,200,000、Indirect Cost: ¥2,760,000)
Fiscal Year 2015: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2014: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2013: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
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| Outline of Final Research Achievements |
It has been suggested that the Blade Arrowhead Culture that spread over Hokkaido in the Initial Jomon originated in the Continent. However, in East Hokkaido, archaeological sites of this culture showed a settlement structure characterized by adaptation to the overall climatic trend of warming in the Early Holocene, the same as the structures observed in the region to the south, including Honshu, suggesting that East Hokkaido was occupied by Jomon populations that were adapted to temperate living systems. The technology suitable for subarctic environments was introduced from Sakhalin to avoid risks associated with the abrupt, short-lived, 8.2 ka cooling event. When the climate recovered, this technology became unnecessary and was hence abandoned. Therefore, it can be concluded that the Blade Arrowhead Culture in Hokkaido should be positioned as a part of Jomon Culture, and that it did not come from the Continent.
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