Abstract
This study, using the method of economic quantitative analysis, studied the land use changes of Qilihai Wetland from 2008 to 2017, and the effects of these changes on the ES (ecosystem service) values of the wetland. This article benchmarked the 2030 Agenda for Sustainable Development, based on the systematic analysis and analysis of current ecological service function value evaluation methods. The research results show that the total values of the wetland ecosystem services in 2008, 2011, 2014, and 2017 were 317 million yuan, 299 million yuan, 283 million yuan, and 321 million yuan, respectively. In 2008 and 2011, the ES of the Wetland was mainly based on supply and support services, and in 2014 and 2017, it was mainly based on supply and regulation services. Changes in human utilization, natural conditions, and social economy will all lead to changes in the ES value of the whole Wetland. This research can enable decision makers to intuitively understand its ecological changes and plan the use of land and formulate ecological protection measures in a reasonable and effective manner. Finally, the article puts forward relevant suggestions for sustainable development based on the resource and environmental foundation and characteristics of Qilihai Wetland.
Highlights
Wetland is a transitional zone between terrestrial and aquatic ecosystems, known as the “Kidney of the earth”
This degradation of ecosystem services has become a major obstacle to the Millennium Development Goals (MDGs), and as a result, an increasing number of scholars, both domestic and international, are focusing on an integrated, multi-scale assessment of ecosystems around the world, and the importance of ES is increasingly being emphasized
The rich plant resources in the wetland park have the important roles of water conservation, water purification, flood and drought prevention, climate regulation, and biodiversity maintenance, which are of great significance in maintaining the ecological balance of Tianjin, realizing the harmony between man and nature and promoting the sustainable development of regional economy and society
Summary
Wetland is a transitional zone between terrestrial and aquatic ecosystems, known as the “Kidney of the earth”. Science Assessing changes in the value of wetland ecosystem service values and the influencing factors has important theoretical and practical significance for further understanding the evolution of wetland ecosystem service values It can provide a basis for the implementation of the ecological protection compensation system and the management of wetland parks. Many ESs are degraded in order to increase the provision of other services, such as food production, and the costs of degradation are often passed on to another group of people or deferred to future generations in trade-offs between benefits This degradation of ecosystem services has become a major obstacle to the Millennium Development Goals (MDGs), and as a result, an increasing number of scholars, both domestic and international, are focusing on an integrated, multi-scale assessment of ecosystems around the world, and the importance of ES is increasingly being emphasized. 2008, 2011, 2014, and 2017; quantify the changes in the wetland ecosystem and the dynamic evolution of the service value; and identify and analyze the impact of different policies and conservation actions on the ecosystem
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