Before the arrival of Europeans, the islands in the two largest cultural areas, Polynesia and Micronesia, together contained a population estimated at 700,000.
在欧洲人到来之前,波利尼西亚和密克罗尼西亚这两个最大的文化区,住着大约70万人。
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Ecosystems in Polynesia, Micronesia and Melanesia need urgent and effective conservation policies, or the region's already poor record on extinctions will worsen significantly.