Coordinated development of land multi-function space: An analytical framework for matching the supply of resources and environment with the use of land space for ecological protection, agricultural production and urban construction

Based on the carrying capacity of the resources and the environment, this article defines the connotation of the land multifunctional space (LMFS) from three aspects, ecological protection, agricultural production and urban construction, in the new era of land space planning system. Moreover, a framework is constructed for the coordinated development of the multi-functional oriented space to match the use of land space (ULS) with the supply of resources and environment (SRE). Based on this, the technology and methods of comprehensive evaluation, dominance recognition, and matching relationship division functions of the use of land space (FULS) and functions of the supply of resources and environment (FSRE) are discussed. The advantageous functions of the use of land space (AFULS) and advantageous functions of the supply of resources and environment (AFSRE) are also identified in the study area. A LMFS coordinated development system integrating "function position-comprehensive partition-regulation strategy" is proposed. Through the empirical study of Shandong province, we found that, first, the FULS of ecological protection space in the province is mainly found in high value areas, and the FSRE is mainly in low value areas, which has certain complementarity in the space. The FULS of agricultural production space is mainly observed in high value areas, the FSRE is mainly in middle value areas, and the spatial distribution is balanced and staggered. The FULS of the urban construction space and the FSRE are mainly in middle values areas, and the spatial distribution is basically similar. Second, the FULS in the study area is dominated by the single advantage of agricultural production and urban construction, while the FSRE has a relatively balanced distribution of the advantages of ecological protection, single agricultural production and compound advantages of agricultural production and urban construction, and urban construction and ecological protection. The matching between the two is mainly at high and middle levels. Specifically, 70% of the province's land space still has a certain development and utilization potential, and 30% of ULS intensity is close to or exceeds the resource and environment carrying capacity. Third, considering the comprehensive impact of resource endowment, social and economic development and policy and institutional environment on different matching relationships, this paper constructs the land spatial development strategic pattern of "two screens-seven regions-multicore" positioning and "four regions-eight categories" hierarchical area of Shandong at the macro level, and puts forward a differentiated land space development strategy.