2002 Fiscal Year Final Research Report Summary
ARCHED-ECOLOGICAL STUDY ON THE UTILIZATION OF CHESTNUT NUTS AND WOOD AND REGENERATION OF CHESTNUT RESOURCES DURING JOMON PERIOD
| Project/Area Number |
12410103
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
考古学(含先史学)
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| Research Institution | TOHOKU UNIVERSITY |
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Principal Investigator |
SUZUKI Mitsuo Graduate School of Science, Tohoku University; Professor, 大学院・理学研究科, 教授 (80111483)
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| Co-Investigator(Kenkyū-buntansha) |
KIMURA Katsuhiko Faculty of Education, Fukushima University; Associate Professor, 教育学部, 助教授 (70292448)
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| Project Period (FY) |
2000 – 2002
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| Keywords | Castanea crenata / chestnut / Jomon Period / regeneration of resources / DNA divesification |
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| Research Abstract |
It is well known that the chestnut is not only the most important food resource but also timber resources for people of the Jomon Period in Japan. To cut trees for wood resource is fundamentally conflict to get nuts for food, How the Jomon people resolved the conflicting two purposes is the main theme of this project
For the purpose, we firstly researched how amounts of chestnut trees are in natural forests. It was come to appear that chestnut is 378-558 trees / hectare, 14.8-55.1 square meter of basal area /hectare in natural secondary forest of northern Honshu. Secondary, we researched how the chestnut trees are recovered after timber cutting. As the Jomon peoples cut timbers by stone axes, we also tried to cut trees by stone axes and chain saw for comparing the recovery process by the different cutting tool. It became appear that if we cut chestnut trees only from nature forests, there are no or very few new chestnut trees would be grown
Thirdly we examined annual ring growth pattern of chestnut trees in recent forests and excavated chestnut wood. The annual ring growth is very slow in natural forests, fairly fast in secondary forests, and very fast in cultured chestnut trees. Most of excavated chestnut trees showed fairly fist growth and some are very fast growth, while few, very large excavated tree trunks (about 50 cm in diameter) showed very slow growth. As a result, it may said that most timbers used for house making were obtained from the secondary forests or from cultivated trees, while those of large constructicn might be obtained from nature forests
As the forth, we developed a DNA analyzing method, SSR (Single Sequence Repeat) maker, for analyzing DNA of excavated chestnut and compare with the recent chestnuts. Although we could recognize the presence of DNA in those materials, but do not yet success. It will be required to develop technical process for further researches
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Research Products
(12 results)
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[Publications] Yamamoto, T., Tanaka, T., Kotobuki, K., matuya, N., Suzuki, M., Hayashi, T.: "Characterization of simple wequence repeats in Japanese chestnut"Iou. Horticultural Sci. & Biotech.. 78(2). (2003)
Description
「研究成果報告書概要(和文)」より
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[Publications] Yamamoto,T., Tanaka,T., Kotobuki,K., Matuya,N., Suzuki,M. & Hayashi,T: "Characterization of simple sequence in Japanese chestnut"Jou.Horticultural Sci. & Biotech.. 78. 197-203 (2003)
Description
「研究成果報告書概要(欧文)」より
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