花岗岩母质土壤区在洞庭湖流域广泛分布。
A granite based soil region is distributed widely in the drainage area of Dongting Lake.
他们分布在整个洞庭湖流域，差不多有3000多人。
Of over 3000 people, they are dispersed around the entire Dongting Lake areas.
在国内外聚落形态研究的成果和新石器时代文化遗址分期的基础上分析洞庭湖流域聚落形态的时空变迁。
On the base of the settlement pattern study achievements an Neolithic age by stages, the study analyses the settlement pattern's space-time changes in Dongting Lake Basin.
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