The key progress in Chengde and the national proposal of the integrated survey of natural resources

The integrated survey of natural resources is guided by earth system science, and can effectively support the construction of ecological civilization and the management of natural resources by clarifying the relationship and succession regular pattern of mountains, rivers, forests, fields, lakes, grass and sand.In this paper, we took the integrated survey of natural resources in Chengde Ecological Civilization Demonstration Zone as an example, and firstly studied the target positioning of the integrated survey of natural resources, then systematically analyzed the objectives of the integrate survey of natural resources in Chengde from four aspects in recent years, such as evaluation on resources and environment carrying capacity and territorial space development suitability, ground substrate research, establishment of geological cultural villages, and mountains protection, all above were supported for territorial spatial planning, ecological protection and restoration, utilization of distinguishing characteristic geological resources, and serving urban planning.Thirdly, the main contents of the "Chengde Model" with multi-factor and multi-objectives and basic process of integrated survey of natural resources were put forward on the basis of experience and practice.Finally, aim at the integrated survey of natural resources in the future, top-level planning and design are carried out in terms of overall goals, basic principles and main contents, which in order to provide technical reference for integrated surveys of natural resources at different scales in China.