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To understand and respond to the common ecological and environmental challenges faced by human beings, this study investigated the relationship between territorial spatial development (TSD), eco-environmental responses, and territorial spatial planning (TSP) from the perspective of human-environment interactions and explores a feasible way to modulate these human-environment interactions by taking China's TSP practice as an illustrative case. The research results show that (1) the interplay between territorial development, resource utilization, and environmental feedback forms the crux of human-environment interactions. Notably, eco-environment responses, one of which is the spread of germs, coupled with human development and utilization behavior constitute a complete negative feedback loop. Human beings' adjustment to the unbalanced conditions in these interactions, employing institutions, technology, planning, and other tools, constitutes a positive cycle within human-environment interactions. (2) TSP can regulate the whole process of human-environment interactions through mechanisms such as coordination and control, adaptation and mitigation, and consolidation and restoration. (3) Unreasonable agricultural development and urban expansion have triggered intense negative feedback on the ecological environment. (4) The Chinese government has carried out a top-down TSP reform initiative to establish a unified planning system. This aims to alleviate the adverse ecological and environmental effects caused by TSD and build a more secure territory space pattern. Therefore, nations around the globe should innovate their spatial planning management systems and spatial planning systems, standardize and guide the development and utilization of spatial resources, and coordinate the relationship between humans and the environment. [ABSTRACT FROM AUTHOR]

To understand and respond to the common ecological and environmental challenges faced by human beings, this study investigated the relationship between territorial spatial development (TSD), eco-environmental responses, and territorial spatial planning (TSP) from the perspective of human-environment interactions and explores a feasible way to modulate these human-environment interactions by taking China’s TSP practice as an illustrative case. The research results show that (1) the interplay between territorial development, resource utilization, and environmental feedback forms the crux of human-environment interactions. Notably, eco-environment responses, one of which is the spread of germs, coupled with human development and utilization behavior constitute a complete negative feedback loop. Human beings’ adjustment to the unbalanced conditions in these interactions, employing institutions, technology, planning, and other tools, constitutes a positive cycle within human-environment interactions. (2) TSP can regulate the whole process of human-environment interactions through mechanisms such as coordination and control, adaptation and mitigation, and consolidation and restoration. (3) Unreasonable agricultural development and urban expansion have triggered intense negative feedback on the ecological environment. (4) The Chinese government has carried out a top-down TSP reform initiative to establish a unified planning system. This aims to alleviate the adverse ecological and environmental effects caused by TSD and build a more secure territory space pattern. Therefore, nations around the globe should innovate their spatial planning management systems and spatial planning systems, standardize and guide the development and utilization of spatial resources, and coordinate the relationship between humans and the environment.

[Objective] Measuring and analyzing the evolution characteristics and driving mechanism of the land space pattern can not only reveal the spatiotemporal evolution of the land space pattern, but also provide a theoretical basis for optimizing the regional land space structure. [Methods] Based on the multi-functional perspective of the "Sansheng" space, this paper divides the land types of Chengdu Plain in the third phase from 2000 to 2018. First, using the transfer matrix and dynamics method, explore the spatial structure of the Chengdu Plain's land spatial structure changes in time ; Then use the geo-information atlas method, standard deviation ellipse and the center of gravity migration model to analyze the evolution of the spatial pattern of the Chengdu Plain in time and space; finally, with the help of the geo-detector model, reveal the characteristics of the driving force of the spatial pattern of the Chengdu Plain. [Results] (1) From 2000 to 2018, the area of production ecological space in the Chengdu Plain decreased by 174 108 hm², and the area of living and production space increased by 73 806.3 hm², of which the degree of land space change in Chengdu Plain from 2000 to 2010 was overall higher than that in 2010-2018 year. (2) From 2000 to 2018, the area of ecological space transferred to production ecological space was the largest, with a transfer area of ​​2410.03 hm², followed by the transfer of ecological production space to ecological space, with a transfer area of ​​2310.74 hm² The areas with higher dynamics are located in the middle of the study area, and more than 50% of the districts and counties have dynamics below 1.2. (3) From 2000 to 2018, the stable land area accounted for 91.09% of the total area of the study area, and the early change type accounted for 5.49%, mainly distributed in the central city of Chengdu, Mianyang and Ya'an; the later change type and the change type were respectively Accounted for 3.04% and 0.38%. (4) From 2000 to 2018, the standard deviation ellipse area and flatness of the production space in the study area increased, the length of the major axis decreased, and its center of gravity shifted to the northeast; the length of the major axis and the length of the minor axis of the living space both showed an increasing trend, and the angle of rotation Decrease; the ecological space standard deviation ellipse shows the characteristics of decreasing flatness. (5) Socio-economic factors are the dominant factors in the land and space changes of the Chengdu Plain. Its population density q is the highest, which is 0.7816; the interaction between the driving factors is nonlinear and strengthened, among which the interactive effect of population density and road network density The strongest is 0.8646. [Conclusion] Coordinating the contradictions and conflicts between various land uses and reducing the transformation of land used by human activities is a necessary way to optimize the land space of Chengdu Plain and achieve sustainable development. [ABSTRACT FROM AUTHOR]