
The Northern Mariana Islands, together with to the south, compose the archipelago. The southern islands are , with level terraces and fringing reefs. The northern islands are volcanic, with active on several islands, including , , and . The volcano on Agrihan, , has the highest elevation at 3,166 feet (9. . 北馬里亞納群島自由邦(:Sankattan Siha Na Islas Mariånas;英語:Commonwealth of the Northern Mariana Islands,縮寫為CNMI)是的一個,位於西上的戰略要地。它包括了15個島嶼,總長685英尺(209公尺),位於到約四分之三的距離上。北馬里亞納群島在2020年的正式裡有4萬7,329人 。北馬里亞納群島總面積為463.63平. [pdf]

赫德島和麥克唐納群島(英語:Heard Island and McDonald Islands,:HIMI),無人居住的荒島,1947年起納入,1997年獲選為()。赫德島以南約1600公里達邊沿;除去南極洲和小於1000平公方公里的島嶼不算,赫德島方圓3700公里內都是海洋,不見。赫德島80%的陸地都为冰川覆盖,岛上拥有比较稀少的. . 赫德岛和麦克唐纳群岛(英语:Heard Island and McDonald Islands,:HIMI),无人居住的荒岛,1947年起纳入,1997年获选为()。赫德岛以南约1600公里达边沿;除去南极洲和小于1000平公方公里的岛屿不算,赫德岛方圆3700公里内都是海洋,不见。赫德岛80%的陆地都为冰川覆盖,岛上拥有比较稀少. [pdf]

赫德島和麥克唐納群島(英語:Heard Island and McDonald Islands,:HIMI),無人居住的荒島,1947年起納入,1997年獲選為()。赫德島以南約1600公里達邊沿;除去南極洲和小於1000平公方公里的島嶼不算,赫德島方圓3700公里內都是海洋,不見。赫德島80%的陸地都为冰川覆盖,岛上拥有比较稀少的. . The islands are part of the that includes several islands. In this cold climate, plant life is mainly limited to grasses, lichens, and . Low plant diversity reflects the islands' isolation, small size, severe climate, the short, cool growing season and, for Heard Island, substantial permanent ice cover. The main environmental deter. [pdf]
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