生きている漁具の化石 : 沖縄宮古群島におけるkakiの研究

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While researching the aquatic cultures along the coast of the Ariake Sea, the author's attention was drawn to two cultural traits in the realm of overt fishermen's culture. One is the mud sled, widely distributed along the muddy tidal zones throughout the world. The other is the stone tidal weir, built along reef coasts with conspicuous tidal ranges. The former is a leading cultural trait which represents the muddy tidal flat culture, and the latter, the reef culture. The latter in particular is quite archaic and presumably originated in the pre-sapiens phase of human history as pointed out by J. Desmond CLARK, although this is denied by R. A. DART. This paper deals with the stone tidal weirs and their relics found along the coast of Miyako Island and the adjacent Irabu Island. In 1957 the author set out to investigate a vast range of gigantic construction on the reef flat along the coast of Karimata in Miyako Island. The range comprised a fixed fishing gear known as a stone tidal weir. Stone tidal weirs at Karimata are mamma-shaped, while others, which are widely scattered in the area, including Iriomote, Kohama, Irabu. Ishigaki etc., vary in shape. Subsequent to several field researches on stone tidal weirs (called kaki or katsi etc. by the natives) in this region, the author sent several of his assistants there in 1972 with the aim of conducting an intensive investigation of the stone tidal weirs still in existence on those islands. This report brings out the results of our joint research, particularly on Miyako and Irabu Islands. A report will be presented later concerning the stone tidal weirs on Kohama Island. Stone tidal weirs, archaic primitive fixed fishing gear, have been under considerable oceanoographical influence due to their particular characteristics in location and function. The author describes in brief the oceanographic factors which have close relationships to stone tidal weirs. Along the northeatern coast of Miyako Island there were originally sixteen stone tidal weirs (photographically illustrated : fig. 5) but most of them were destroyed by the big typhoon named Sarah in 1959 and the subsequent Chilian tsunami (tidal waves caused by an earthquake) in 1960. As mentioned above, stone tidal weirs at Karimata, like those in other areas, are of ancient origin. A considerable number of poems referring to stone tidal weirs seem to be involved in "omorososhi", the oldest anthology of Okinawa. Genhichi SHIMABUKURO has pointed out several poems related to it, however, referring to the works of S. HOKAMA and K. TORIKOSHI, there is ample room for doubt. The author believes that an ancient poem handed down from one generation to another at Karimata, which is entitled "Upuja mabikirja nu fusa" is related to the stone tidal weir. This poem is found in the book "Alethology of Miyako Island" written by S. HOKAMA and K. SHINZATO. Stone tidal weirs of Okinawa can be classified into four types as far as the catching part is concerned, as indicated in figure 13. Type A is akin to a stone weir with its fishing method differentiated in principle from a stone tidal weir. This is the type which formerly existed in Henza Island. Type B is found at Karimata, and it consists of three parts : a) a 10w stone wall (kaki-nu-ti :) as long as 780m with mutu-gaki, b) a catching part (Bu-fuga) , and c) a flat stone-block seat (bi : si) set on both sides of the catching chamber. During ebbtide, water dashes into the catching chamber at the speed of 3/5 m/s on the water surface.
日本文化人類学会の論文
1979-12-30

著者

西村朝日太郎
早稲田大学

生きている漁具の化石 : 沖縄宮古群島におけるkakiの研究

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