(a) to undertake the responsibility of protecting and rationally utilizing natural resources such as land resources and mineral resources. Organize the formulation of the city's land and resources development plan, participate in the study of the city's macroeconomic operation, regional coordination and overall urban and rural planning, and formulate the city's regulatory policies and measures involving land and resources; Compile and organize the implementation of land planning, formulate policies on resource conservation and intensive utilization and circular economy in the field of land and resources and organize their implementation. (two) to assume the responsibility of regulating the order of land and resources management. To formulate land, mineral resources, surveying and mapping management policies and technical regulations, norms and methods and organize their implementation; Investigate and deal with illegal cases of land and resources. (three) to assume the responsibility of optimizing the allocation of land and resources. To formulate special plans, plans and organize their implementation, such as the overall land use planning, mineral resources planning and surveying and mapping development planning; Guide and review the special plans and plans such as the overall land use planning and mineral resources planning of counties (districts) and townships (towns and streets), and supervise and inspect the implementation; Undertake the pre-examination of construction land. (four) responsible for the management of land and resources. Protect the legitimate rights and interests of owners and users of natural resources such as land resources and mineral resources according to law; Organize mediation of ownership disputes, guide the implementation of land ownership, undertake the collection, collation, sharing and exchange management of various land registration materials, and provide social inquiry services. (five) responsible for the protection of cultivated land in the city, to ensure that the amount of cultivated land and the basic farmland area determined by the plan are not reduced. Formulate farmland protection policies, organize the implementation of basic farmland protection, and supervise the implementation of compensation system for occupied farmland; Guide and implement the supervision of unused land development, land consolidation, land reclamation and cultivated land development; Organize the implementation of land use control, and be responsible for the review and approval of agricultural land conversion, land requisition and various types of land for approval by the State Council, the provincial government and the municipal government. (six) to provide timely and accurate data of land use in the city. Formulate and implement the measures for the city's cadastral management, organize land resources survey, cadastral survey, land statistics and dynamic monitoring, organize special land surveys, and guide county cadastral survey, registration and land grading. (seven) to undertake the responsibility of saving and intensive use of land resources. Formulate and organize the implementation of land development and utilization standards, manage and supervise urban and rural construction land supply, government land reserve, land development and economical and intensive utilization; Formulate and organize the implementation of management measures such as assignment, lease, pricing and transfer of land use rights according to regulations; Organize the implementation of benchmark land price, demarcation land price and other land price systems, and supervise and manage the circulation of rural collective construction land use rights in conjunction with the agricultural sector; Organize the implementation of the catalogue of prohibited and restricted land supply and the catalogue of allocated land, and undertake the disposal of state-owned land assets of restructured enterprises and institutions approved by the municipal government. (eight) to assume the responsibility of regulating the market order of land and resources. Monitor the land market and the utilization of construction land, supervise the land price, standardize and supervise the mining rights market, organize and supervise the exploration and mining activities of mining rights holders, and investigate and deal with illegal acts according to law. (nine) responsible for the development and management of mineral resources, responsible for the examination and approval of mining rights, exploration rights and transfer of mining rights; To undertake the total amount control and related management of protective mining of specific minerals and superior minerals, and organize the formulation and implementation of mining right setting schemes. (10) Responsible for the management of geological exploration industry and mineral resources reserves, organizing the implementation of the city's geological survey and evaluation, mineral resources exploration, managing municipal geological exploration projects, organizing the implementation of municipal geological exploration projects, managing geological data and geological exploration results, and uniformly managing municipal public welfare geological surveys and strategic mineral exploration. (eleven) to undertake the responsibility of geological environment protection. Organize the implementation of mine geological environment protection, supervise and manage important protected areas and places such as paleontological fossils, geological relics and mining relics; Manage the exploration and evaluation of hydrogeology, engineering geology and environmental geology according to law, and organize monitoring and supervision to prevent ground subsidence caused by groundwater overexploitation and geological environment damage caused by groundwater pollution; To undertake the exploration and evaluation of urban geology, agricultural geology and tourism geology. (twelve) to bear the responsibility for the prevention and control of geological disasters. Guide emergency response, organize, guide and supervise the prevention and control of geological disasters, formulate emergency plans for land and resources emergencies such as geological disasters and organize their implementation. (thirteen) in conjunction with the relevant departments to formulate the city's basic surveying and mapping planning, formulate the city's surveying and mapping industry management policies, implement technical standards and supervise the implementation. Responsible for the organization and management of basic surveying and mapping, urban boundary surveying and mapping, urban administrative boundary surveying and mapping, cadastral surveying and mapping and other citywide or major surveying and mapping projects, and manage surveying and mapping benchmarks and measurement control systems; To guide and supervise the protection of surveying markers in the whole city, formulate a system for the collection and delivery of surveying and mapping results and supervise their implementation. (fourteen) to assume the responsibility of standardizing the order of the surveying and mapping market. Responsible for surveying and mapping qualification management, supervise and manage surveying and mapping activities such as the quality of surveying and mapping results, the acquisition and application of geographic information, organize and coordinate the safety supervision of geographic information, and examine and approve the provision of surveying and mapping results and foreign-related surveying and mapping supervision according to law; Organize and investigate illegal cases of surveying and mapping in the city; To undertake the responsibility of organizing and providing surveying and mapping services and emergency support; Organize and guide basic geographic information socialization services, and publish important geographic information data according to authorization; Responsible for map management; Supervise and manage the map market, manage the compilation of maps, examine and verify publicly issued maps, and manage and approve the representation of place names on maps. (fifteen) according to the collection of resource income, standardize and supervise the use of funds, formulate policies and measures for land and mineral resources to participate in economic regulation. Organize the collection and management of special income from land and mineral resources according to law, cooperate with relevant departments to formulate income distribution system, and cooperate with relevant departments to guide and supervise the collection and use of funds for land consolidation, reclamation and development in the city. Participate in the management of land, minerals and other resource assets and mining rights formed by state investment. (sixteen) to promote the scientific and technological progress of land and resources, formulate the development plan of land and resources science and technology in the city and organize its implementation; Promote the informationization of land and resources and the public service of information materials; Organize foreign cooperation and exchanges in land resources, mineral resources and surveying and mapping. (seventeen) to supervise the implementation and compliance of laws and regulations on land and resources by the county and district people's governments and their land and resources departments; In accordance with the cadre management authority, the management of county-level land and resources departments leading bodies and corresponding ranks of personnel. (eighteen) to undertake other tasks assigned by the municipal government.