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received more moisture and intermittent maritime cloud cover from the north Pacific Ocean than the rest of the mammoth steppe, including the dry environments on either side of it. This moisture supported a shrub-tundra habitat that provided an ecological refugium for plants and animals. In eastern Beringia 35,000 YBP, the northern arctic areas experienced temperatures 1.5 C-change degrees warmer than today, but the southern sub-arctic regions were 2 C-change 0 degrees cooler. During

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