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Culturally modified tree (aka CMT) is a term which describes the modification of a tree by indigenous people as part of their tradition. Their meaning for the indigenous cultures is relatively well known, but only from the beginning of the 1980s scientists have recognized that they are also important sources for the history of certain regions. Meanwhile, they are even called ''CMT archives''. Although a wide range of results has been produced, and progress has been made as far as methodology is concerned, the CMTs are still rather unknown to the public. In British Columbia one of the most commonly modified trees, particularly on the coast, is the Western Red Cedar. Of these, many involve the removal of the inner and outer bark, for use in basketry and other needs. Many old trees wearing blue belts with the words "culturally modified tree" in Stanley Park/Vancouver have attracted considerable interest - and questions.〔E. g. a picture from Flick'r: (Culturally Modified Tree )〕 == Delimitation == Although limiting CMTs to indigenous people, in most cases to Indians, is not coercive, the term is used this way in western Canada and the USA. In northern Scandinavia and Southeast Australia it is used for the same phenomenon in view of the Sami people and Indigenous Australians, respectively. There are also research projects occupied with basque herders who left thousands of trays in the western USA between 1860 and 1930. The modifications can be ''arboglyphs'' or ''arbographs'', that is carvings or paintings, but these are relatively rare. Much more often are trays of usage left by canoe makers, or when people were in need of fibres for making clothes, hats or blankets. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「culturally modified tree」の詳細全文を読む スポンサード リンク
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