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On the seaboard of Shouguang County, the Judian lake wetland had existed in history, but now has died out. The evolution of the lake wetland was closely linked with the variance of geographic environment. Based on the method of the historical geography, the authors study the evolution of the lake wetland. Judian Lake wetland formed 6000 years ago, evolved from the lagoons near estuary and experienced two periods, the golden age in the Middle Holocene and the shrinking age in the Late Holocene. The disappearance of the Lake wetland resulted from the drying climate, the migration of rivers and the activities of human being. Among the three reasons, the migration of rivers is the main one.
Date of Conference: 15-17 July 2011