Abstract
Urban resilience, the combinational characteristic of nature and society, that reflects the dynamic accumulation process that is multi-level and multi-dimensional. Particularly, the rational spatial distribution structure of land mixture and compactness is an effective way to improve urban resilience because the evolution of morphology and density of the urban land blocks in the process of land spatial conversion reflect the performance characteristics of complexity, diversity, stability, compactness, and connectivity. Therefore, we evaluated the relationship between urban resilience and land use and land cover (LULC) change, to find the keys to resilient urban development for urban land and space planning. In this study, taking the Chinese hilly city of Mianyang as an example, the results show: (1) the complexity of homogeneous patch shape and heterogeneous patch combination leads to the decrease of urban morphology resilience. (2) the development trend of LULC spatial layout and structure ratio were more rational with the increased of land mixing degree. (3) the speed and intensity of urban expansion were basically coordinated with the development of urban resilience. The research provides the new ideas, approaches, and toolkits for solving the intractable problems of urban spatial planning based on coordinating conflicts between urban resilience and urban land evolution.
Highlights
As an important material basis of an urban system, the land, is one of the most promising factors to observe and develop interventions in service to urban resilience [1].Land resilience has increasingly common usage among landscape ecologists, landscape planners, geographers, as an important strategy for buffering risks and helping urban system recover quickly from disturbances [2]
This paper introduces the “source-sink” landscape theory to measure the characteristics of urban density resilience from the perspective of land landscape ecology
It is shown as the land use type with the most transfer-out
Summary
As an important material basis of an urban system, the land, is one of the most promising factors to observe and develop interventions in service to urban resilience [1]. Land resilience has increasingly common usage among landscape ecologists, landscape planners, geographers, as an important strategy for buffering risks and helping urban system recover quickly from disturbances [2]. Excessive urban size and population were the most direct reasons for the increase of urban risk when sudden disasters occur [3,4]. The responses of different urban systems differ greatly when facing the same disasters and urban problems. Some cities will recession after the crisis, while others will overcome the adverse effects gradually even improve long-term development taking this as an opportunity. The fundamental reason for the difference lies in the level of urban resilience
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