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Ancient Great Wall Building Materials Reveal Paleoenvironmental Changes In Northwestern China, Robert Patalano, Jing Hu, Qin Leng, Weiguo Liu, Huanye Wang, Patrick Roberts, Michael Storozum, Lin Yang, Hong Yang
Ancient Great Wall Building Materials Reveal Paleoenvironmental Changes In Northwestern China, Robert Patalano, Jing Hu, Qin Leng, Weiguo Liu, Huanye Wang, Patrick Roberts, Michael Storozum, Lin Yang, Hong Yang
Science and Technology Department Faculty Journal Articles
Plant material used in the construction of segments and beacon towers of the ancient Great Wall in northwestern China contain untapped potential for revealing paleoenvironmental conditions. Here, we characterize the molecular preservation and stable carbon and nitrogen isotope compositions of common reeds (Phragmites) collected from Great Wall fascines dated to the Han Dynasty in today’s Gansu and Xinjiang provinces using a combination of chromatographic techniques and isotope analyses. Our data demonstrates that ancient reeds were harvested from local habitats that were more diverse than exist today. The isotope data also capture differential rates of environmental deterioration along the eastern margin …