Evaluation on pollution of heavy metal in the water and its analysis of ecological effect in Shuangtaizi estuary district;

The Shuangtaizi estuary of Liaohe River is the important estuary in the northern China, which has formed the muddy coast estuary by the nature evolution for long time.

In Shuangtaizi estuary, there are rich coastal wetland and inland wetland resources.

Analysis of diversity of the plant community in estuary wetland of the Shiwulihe River in the basin of the Chaohu Lake;

Species composition and distribution of birds in estuary wetland of Quanzhou Bay;

Based on discussing the formation and evolvement of estuary wetland and the characteristics of estuary wetland ecosystem, this article takes pilot studies of the protection and utilization status of the great rivers' estuary wetlands between China and foreign countries, in order to provide determinate reference and revelation of the protection and utilization of estuary wetlands in China.

Mainly estuarine wetland vegetation analysis of ecological characeristics of the rivers into the Chaohu Lake——As pai river and Shiwuli river for an example

Shuangtaizi estuarine wetland has been listed as International Important Wetland Protectorate,and it is the world-wide biggest moss land wetland.

and characteristic of the estuarine wetland is introduced and the details about the four largest estuarine wetlands in changjiang estuary, Huanghe estuary, Zhujiang estuary and Liaohe estuary are given in the paper, such as the compositions, the features of the deposit, environments and the biological resourses.

Petroleum migration mechanism in Shuangtai-Hekou Area, West Depression of Liaohe Basin,Northeastern China;

Tidal Depositon system in ShuangTaiZi River is the main depositonal body in modern LiaoHe River delta.