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Sea level change and environmental evolution of coastal lakes in Vestfol d Hills, Antarctica |
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| Authors: | Wang Zipan Patrick PDeprez Paul ABerkman |
| Institution: | 1. Second Institute of Oceanography, SOA, 2. Department of Primary Industries, Water and Environment, 3. Byrd Polar Research Center, Ohio State University, |
| Abstract: | Ecological end palaeoecological studies were carried out in a series of lakes in the Vestfold Hills (68°38＇S, 78°06＇E) on eastern Antarctic continent. Dynamics types of the lakes in environmental geomorphology and physic-chemistry, as well as features of biological community structures in different lakes were analyzed. Marine macro- and micro-fossils collected from the terraces and beaches surrounding these lakes and determined in 14C radiocarbon ages to be the Late Pleistocene, were used as evidences tc show the evolutionary processes of the lakes after sea level changes and transgressions since 18000 a B.P.. Basic modals of evolution for the lakes given in the paper could be regarded as not only explaining the history of environmental and ecological changes in VH lakes, and also reflecting of local environmental evolution in Antarctic region and global climate changes from past to present time. |
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