| Wetland is widespread around the world, it is an ecological landscape rich in biodiversities and one of the most important survival environments for human beings. Along with forests and oceans, wetland was konwn as one of the global three big ecosystem types. Some key functions of wetlands are indispensable for the sustainable development of the many places. Wetland lies in the three-phase interface among atmosphere system, land system and water system, it plays an important role in the migration of moisture, nutrients, organic matter, sediments and pollutants, so wetland has the title of "biological supermarkets" and "kidney of the earth". Because wetland can balance water supply, it’s considered to be able to improve flood and drought conditions. Wetland is generally recognized as the "sinks" of CO2and the "stabilizer" of global climate, it has important significances in the study of global environmental change. More and more people agree that wetland can be the very important ecosystem, it can bring about considerable social, economic and environmental benefits.In the north part of Shandong province, the coastal zone of Binzhou, Dongying and Weifang are the main areas of Bohai coast. In these areas, many important wetland resources are distributed, the Yellow River delta national wetland nature reserve (national geological park) and other numerous nature reserves are established. In recent years, with the development of economy and the progress of the society, people are increasingly concerned with the protection of wetland and its ecological system. But due to a variety of man-made and natural factors, the ecological environment of the wetland has been severely damaged and changed dramatically. Therefore, it is extremely urgent to investigate the wetland resources and do some research about the protection countermeasures.In this study, remote sensing, the ecological environment investigation and sampling analysis methods were utilized, after comprehensive analysis and research conclusions were gained as follows: (1) By using data organization and remote sensing interpretation, this study basically confirmed the ecological geological environment conditions, the types of wetland, the wetland distribution, dynamic changes and the main influence factors in the study area; basically found out the main ecological environment problems; expounded the trend of the wetland ecological development evolution; and analyzed the resons of wetland change.(2) The protection countermeasures of wetland ecological geological environment in the research area were proposed, including wetland protection management; wetland ecological and geological environment monitoring, investigation and research; publicity and education of wetland protection; restricting approvals of some wetland project; controlling water and soil pollution; as well as setting up the engineering measures to make for wetland restoration, improvement, renovation and artificial wetland construction. |