首页|Evolution of the historical polder landscape in the ancient Danyang wetland,lower Yangtze River,China,during the last 3000 years

Evolution of the historical polder landscape in the ancient Danyang wetland,lower Yangtze River,China,during the last 3000 years

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Polder is a type of irrigation field unique to the lower Yangtze River of China.It is a product of long-term and ingenuous human modifications of wetland landscapes.In the pre-Qin Period,3000 years ago,the poldered area of eastern Wuhu city was once a large lake called the ancient Danyang wetland.The introduction of agricultural civilization and polder technology to the area during the Wu and Yue Kingdoms period gradually transformed it into an agricultural area.With an accelerating rate of land reclamation under a changing late-Holocene regional climate,the ancient Danyang wetland became an aquatic system strongly influenced by intensifying anthropogenic activities.In this study,based on field sur-vey data,historical documents,and remote-sensing and archaeological data,we recon-structed the spatial distribution of the polder landscape over the last 3000 years and identified their structural diversity.We found that polder landscapes began to emerge in the Spring and Autumn Period,land reclamation intensified in the Three Kingdoms and developed rapidly in the Song Dynasty before eventually reaching the peak from the Ming and Qing Dynasties.The relocation of historical sites to low-altitude areas also marked the expansion of poldered fields from the center of the wetland to the southeast and northwest.The development and evolution of the polder landscape are related to regional climate conditions,changing social and economic statuses,and the development of agricultural technology in the Song Dynasty and succeeding periods.

ancient Danyang wetlandpolder landscapeclimate changeanthropogenic activitieslower Yangtze River

HU Xiaosi、WU Li、ZHUANG Yijie、WANG Xinyuan、MA Chunmei、LI Linying、GUAN Houchun、LU Shuguang、LUO Wenjing、XU Ziyi

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Provincial Key Laboratory of Earth Surface Processes and Regional Response in the Yangtze-Huaihe River Basin,School of Geography and Tourism,Anhui Normal University,Wuhu 241002,Anhui,China

Institute of Archaeology,University College London,London WC1H 0PY,UK

Aerospace Information Research Institute,CAS,Beijing 100094,China

School of Geographic and Oceanographic Sciences,Nanjing University,Nanjing 210023,China

Anhui Institute of Geological Sciences,Hefei 230001,China

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaKey Project of the 14th Five-Year Plan of AnhuiNational Key Program of Innovation Training for College StudentsNational Key Program of Innovation Training for College StudentsNational Key Program of Innovation Training for College Students

42271173417712212022BFAFZ01365202310370039202310370049S202310370332

2024

10.1007/s11442-024-2282-3

地理学报(英文版)
中国地理学会,中国科学院地理科学与资源研究所

地理学报(英文版)

CSTPCD
影响因子：1.307
ISSN：1009-637X
年,卷(期)：2024.34(10)