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Fossil pollen data from Tianchi Lake on the Liupan Mountains in the Loess Plateau in China were used to investigate the interplay of climate change, vegetation history and human activities. The chronology of an 11-m-long sediment core was controlled by 19 accelerator mass spectrometry radiocarbon dates on terrestrial plant macrofossils. The pollen record shows a long-term change from a closed canopy...
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