A study on the past and present conditions of the development sites of the Japanese colony in Micronesia

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  • 南洋群島・旧日本委任統治領における開拓の実態と現状に関する研究
  • 南洋群島・旧日本委任統治領における開拓の実態と現状に関する研究--パラオ共和国バベルダオブ島の農地開拓とボーキサイト採掘の事例
  • ナンヨウ グントウ キュウ ニホン イニン トウチリョウ ニ オケル カイタク ノ ジッタイ ト ゲンジョウ ニ カンスル ケンキュウ パラオ キョウワコク バベルダオブトウ ノ ノウチ カイタク ト ボーキサイト サイクツ ノ ジレイ
  • パラオ共和国バベルダオブ島の農地開拓とボーキサイト採掘の事例
  • A case study at the plantations and the bauxite mining lands on the Babeldaob Island, the Republic of Palau

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Abstract

The purpose of this study is to clarify the past and present conditions of the plantations and the bauxite mining landson the Babeldaob Island, the Republic of Palau, where was the Japanese colony before the WWII. In 1940, 1,671people lived in the four plantation villages of 2,236 ha. They cultivated mainly pineapples and cassavas and sold themto Japan; however deforestation and overharvesting by Japanese have still influenced the current vegetation and aninvasive spice Falcataria moluccana introduced by Japanese has affected the native species. Besides, there were twobauxite mining sites of 106 ha that were the biggest industry of the island. Although the areas were not large, thesedimentation from the mining sites was large amount and it affected not only the terrestrial and coastal environment,but also Palauan villages, too. Since both development sites were located along the water system, influences on thenatural and social environment were spread over the watershed long time.

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