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Recently, increase commercializing of boar meat has been rising in Japan because of increase demand for gourmet tastes, tourists interested in trying boar meat, and village revitalization, etc. The present study was undertaken to identify the relationships between the Ryukyuan wild boar and the forest plants on Iriomote Island, and to identify how best to hunt boar while maintaining a supply for future consumption as its popularity increases. As a result of the investigation, is was found that the diet chiefly contained feed of which there were 30 species of plant and nuts such as acorns. Boar meat's difference in quality depends upon the feed and the season when it eats. The boar's unique smell is not the result of the fat but a result of substances in the boar's blood. While thinking about the ideal way of preserving the environment, ecosystem, and traditional ways of the people who live there, it may be important to develop a way to best hunt wild boar while preserving the sanctity of the aforementioned., 近年，イノシシ肉はグルメプーム，観光ブーム，村おこしブームなどにより商品化が高まりつつある。西表島におけるリュウキュウイノシシと餌資源である森林植物との関係，解体および利用方法を明らかにし，将来的に持続可能な狩猟を行い，食用資源と しての需要を図ることを目的とした。 調査の結果，西表島のリュウキュウイノシシはﾄﾞングリ（イタジイ，オキナワウラジロガシ）などの堅果類を好み，その他主に植物性のものを採食し，餌資源植物には30種あることがわかった。イノシシ肉は，採食する餌の種類，季節により肉質に違いがみられ，旨味は脂肪の量に関係し，特有の臭さは血にかかわりがあると考えられた。