The relevant person in charge of the Ministry of Ecology and Environment stated that this year, based on the continuation of the technical framework of previous surveys and assessments and the overall consideration of terrestrial and marine ecosystems, my country will launch a two-year survey from three spatial scales: national, key regions and provincial areas. Five surveys and evaluations. Comprehensively and systematically grasp my country's ecological conditions, changing trends, and spatiotemporal distribution characteristics in different periods, including changes in the national ecosystem pattern, quality, and function, including the Yellow River Basin, Yangtze River Economic Belt, Beijing-Tianjin-Hebei, Guangdong-Hong Kong-Macao Greater Bay Area, Yangtze River Delta region, etc. The ecological conditions and changes in major national strategic areas have played an important supporting role in delineating ecological protection red lines, promoting the formation of main functional zone strategies, and the layout of major ecological protection and restoration projects.