... mountain taiga soil 山地泰加林土 mountain tundra soil 山地冰沼土 mountain waste 山荒地 ...
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mountain n tundra soil 山地冰沼土
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The episode is known as the Younger Dryas, because in Scandinavia abundant pollen from a tundra flower called the mountain avens, Dryas octopetala, reappears in soil from this date, indicating that the forest had once more given way to tundra.
WSJ: Matt Ridley on New Support for a Global-Cooling Theory | Mind & Matter
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