{"id":33991,"date":"2021-08-04T04:50:55","date_gmt":"2021-08-03T19:50:55","guid":{"rendered":"http:\/\/kochihen.replan.ne.jp\/?p=33991"},"modified":"2021-08-05T18:27:04","modified_gmt":"2021-08-05T09:27:04","slug":"%e3%80%90%e6%97%a5%e6%9c%ac%e5%88%97%e5%b3%b6%e3%81%ae%e6%a3%ae%e6%9e%97%e8%b3%87%e6%ba%90%e3%81%a8%e8%a3%bd%e6%9d%90%ef%bc%8f%e6%97%a5%e6%9c%ac%e3%81%ae%e3%81%84%e3%81%84%e5%ae%b6%e3%8a%b3-5%e3%80%91","status":"publish","type":"post","link":"https:\/\/kochihen.replan.ne.jp\/?p=33991","title":{"rendered":"\u3010\u65e5\u672c\u5217\u5cf6\u306e\u68ee\u6797\u8cc7\u6e90\u3068\u88fd\u6750\uff0f\u65e5\u672c\u306e\u3044\u3044\u5bb6\u32b3-5\u3011"},"content":{"rendered":"

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English version\u2b07<\/p>\n

[Forest resources and lumber of the Japanese archipelago \/ Good Japanese houses \u32b3-5]
\nI have seen Jomon, Yayoi, and Izumo as the theme of exploring the early days of wooden construction in Japan.
\nIt seems that Japanese people have an ethnicity that is close to the belief in giant trees.
\nI feel that you can clearly see the tendency to be thick and tall.
\nIn that sense, the DNA-like screams of the people sleeping at Izumo Taisha
\nI think it has settled down as a mother of “original Japanese” ethnicity.
\nA deep forest is imaged as the precinct environment of the shrine, and Sugi is an indispensable protagonist.
\nIt makes me imagine that there is reasonable consistency there.
\nWhen modern humans arrived at this archipelago at the technical stage of the Stone Age about 30,000 years ago,
\nThe westerlies that blow down from the Himalayas sandwich the Sea of \u200b\u200bJapan from the Asian continent.
\nIt provided a moderate thermal environment and humid climatic conditions.
\nAs a result, the volcanic terrain of the archipelago would have been rich in forest resources.
\nThere were many straight giant trees in some high-altitude mountains.
\nAt the same time, the rich forest Megumi flows into the surrounding sea area,
\nIt may have existed as one of the world’s leading “fishing resources”.
\nThe height difference of the land due to the volcanic terrain creates many rivers
\nA rich “circulating environment” between land and sea was successfully realized.
\nAs an animal protein that can be captured more easily than terrestrial animals as a means of obtaining food
\nIt was a rare Shiawase that abundant fishery resources were obtained.
\nAt the hunter-gatherer stage, “settlement” started as a Jomon culture.
\nI can imagine that it was the result of these conditions coming together.
\nIt seems that the density of forest resources is related to the large number of Jomon archaeological sites in Hokkaido and the northeastern part of Japan.
\nEven in the archipelago environment, the existence of “tree fauna” nurtured in a climatic climate
\nI think it made people go to the development of wooden technology and architecture.
\nAt the Jomon stage called Sannai Maruyama, there was already a technique for digging up a giant tree.<\/p>\n

Under such circumstances, what was the technology for various lumber processing of wood?
\nIn response to that question, I saw the above illustration expression at the Takenaka Carpentry Tools Museum exhibition.
\nAfter cutting down a large-diameter tree with a stone ax as shown in the figure above,
\nInsert the wedge along the “wooden streaks”
\nBy hitting it with a mallet to create a straight cross section in the crack and enlarge it,
\nIt became possible to make lumber.
\nAfter “splitting” lumber like that, we will finish the surface with a variety of axes.
\nThe lumber was finished according to certain dimensions.
\nThe giant tree building structure of Sannai Maruyama was also achieved only by using stone tools.
\nSuch climate, topographical conditions, forest fauna, marine resource environment, etc.
\nThe conditions of the Japanese archipelago are deeply related to the Japanese ones,
\nAnd I think they have cultivated and raised it greatly.
\nIsn’t it quite natural for Japanese people to handle trees?
\nSuch strong feelings boiled up and I couldn’t stop.<\/p>\n","protected":false},"excerpt":{"rendered":"

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