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南太平洋二十二个岛国分布在辽阔的太平洋上,面积共3000多万平方公里。该区域西北以北马里亚纳群岛为界,东至法属波利尼西亚和皮特凯恩岛,南抵汤加和新喀里多尼亚,西到帕劳。其中陆地所占面积不到2％(见表1)。巴布亚新几内亚陆地面积最大,达462,840平方公里,占该区域陆地面积的83％,其次是所罗门群岛,面积28,520平方公里。剩下的岛国面积都很小,最小四个岛国托克劳、图瓦努、皮特凯恩岛和瑙鲁,各占面积30平方公里或更少一些。虽然有些太平洋岛国比较集中(如纽埃和西萨摩亚),但许多岛国(基里巴蒂、法属波利尼西亚和密克罗尼西亚联邦)属下的岛屿甚为分散,而且相隔遥远,这种状况造成行政管理、交通
Twenty-two island nations in the South Pacific are located in the vast Pacific Ocean with a total area of more than 30 million square kilometers. The region is bordered by the Mariana Islands north of the northwest, French Polynesia and Pitcairn islands to the east, Tonga and New Caledonia to the south, and Palau to the west. The land area accounted for less than 2% (see Table 1). Papua New Guinea has the largest land area of 462,840 square kilometers, accounting for 83 per cent of the land area in the region, followed by Solomon Islands, covering an area of 28,520 square kilometers. The remaining island countries are small in size, with the four island nations, Tokelau, Tuwanu, Pitcairn and Nauru, each covering an area of 30 square kilometers or less. Although some Pacific island countries are more concentrated (such as Niue and Western Samoa), the islands under the island nations (Kiribati, French Polynesia and the Federated States of Micronesia) are very fragmented and remote Situation caused by administration, transportation