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在对上海马桥遗址考古调查的基础上，运用环境考古学和历史地理学的方法探讨了该地区７ｋａ以来的环境演变。该区在７．２ｋａＢｐ前后为浅海环境。大约在６．１～４．４ｋａＢｐ之间摆脱了海侵，良诸文化发展起来，其后期经历了一次洪水期，良诸文化突然消失，出现了马桥文化，其末期地表水域扩大，不适合人类居住。唐宋时期，现上海市大部分地区已成陆。以后海水虽有进退，但岸线仅在南部的金山卫一带摆动，海水再未到达马桥地区。
Based on the archaeological survey of the Maqiao archeological site in Shanghai, this paper explores the environmental evolution in the area since 7ka using the methods of environmental archeology and historical geography. The area is shallow ocean around 7.2kaBp. About 6.1 ~ 4.4kaBp get rid of the transgression, good culture developed, the latter experienced a flood period, Liangzhu culture suddenly disappeared, the emergence of Maqiao culture, the end of its surface waters expanded, unsuitable Human beings live. Tang and Song dynasties, now in most parts of Shanghai has become land. Although after the sea water advance and retreat, but the coastline only in the southern Jinshan Wei swing, the sea has not yet reached Maqiao area.