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A PRELIMINARY INVESTIGATION ON THE HOLOCENE VEGETATION CHANGES FROM POLLEN ANALYSIS IN THE GAOXIMAGE SECTION, HUNSHANDAK SANDY LAND

A PRELIMINARY INVESTIGATION ON THE HOLOCENE VEGETATION CHANGES FROM POLLEN ANALYSIS IN THE GAOXIMAGE SECTION, HUNSHANDAK SANDY LAND

浑善达克沙地高西马格剖面孢粉分析及植被演化的初步探讨