湖区

Based on the geologic background of the tectonic subsidence in Dongting Lake area, the paper analyzes and researches on the presentational character index of tectonic subsidence in Dongting Lake area, which mainly includes stratigraphy, type of rivers, antiques, ancient architectures, earthquake activities etc.

从洞庭湖区构造沉降地质背景入手，分析研究了洞庭湖区构造沉降表象特征指标。主要包括地层、河流类型、古文物、古建筑、地震活动等。

On the basis of analysis above, we will also explore the mode of sustainable development in the region, through four levels, namely, water culture construction, water market construction, water tourism construction and water ecology construction to promote sustainable development in Poyang Lake region.

在此前基础上探讨鄱阳湖区域可持续发展模式，即通过水文化建设、水市场建设、水旅游建设、水生态建设四个方面促进鄱阳湖区域水资源可持续发展的模式选择。

The values of ( La/ Yb) N in high-water period and low-water season increase from west to east, and they in high-water period are larger than those in low-water season.

丰水期和枯水期的溶解态稀土的（La/Yb）N值从西半湖区到东半湖区呈现有规律性的逐渐增大，并且丰水期的（La/Yb）N值低于枯水期。