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A 14 ka vegetation and climate history is reconstructed based on a high-resolution pollen record from an arid to semiarid region in north-central China. Nine major episodes of paleovegetation are reconstructed in the record in response to climate changes: sparse-wood grassland, steppe, sparse-wood grassland, steppe, mixed conifer broad-leaved forest, sparse mixed conifer and broad-leaved forest, conifer...
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