Transgression Records between 7500-5400BC on the Stratum of the Luotuodun Site in Yixing, Jiangsu Province;

Luotuodun site is located at the transition zone from mountains to plains in the western Taihu Lake.

Yixing Luotuodun site preservation plan studies archeological literature, respects the original characters, evaluates the site in a rational way, and preserves the site with different levels in concentric circles.

Sporopollen Record in Chuodun Site in Suzhou, Jiangsu and Palaeoenvironment in Taihu Region;

【Objective】 A study was carried out to explicate the basic characteristics of ancient paddy soils at Chuodun site,in order to achieve better comprehension of the mechanisms of the sustainability of paddy soil.

According to the sporopollen analysis of the Majiabang culture stage at the Chuodun Site in Suzhou, Jiangsu Province, combined with previous studies in Chuodun Site, we suggest that: climatic events during Holocene have insignificant effect on Neolithic human survival and development in the Yangtze Delta area.

Most of the character datum scored on the bottom of the bowls unearthed in Shuangdun site are the scored characters of true - life images related to living, which prove that the creation of the archaic characters in China is not needed of religion,but the demand of people s activities in production.