Circular Economy Development Mode of Coastal and Marine Areas in China and its Evaluation Index Research – The Example of Qingdao

Marine circular economy development and marine ecological security construction is the solution of seeking sustainable development when human beings are faced with marine ecological crisis in future period. Marine circular economy and ecological security is the subsystem of ecological, social and economic compound system. These two are mutually conditional and have been in collaborative development. Marine circular economy development is the premise and approach of securely constructing marine ecology. Constructing marine ecological security and building harmonious marine ecological environment is an important goal of developing circular economy. Circular economy is one of the important economic models for managing public resources under the principle of sustainable development, which is the guiding direction of future economic development in China. As important strategic resources, ocean is a crucial component of realizing economic sustainable development, which also needs to take the circular economy concept and basic principles as a guide for development.