Research on Intensive Development Mechanism of Land Use in Medium-sized Cities in Western China Based on “The Yangtze River Conservation” Strategy

Conference: The Asian Conference on Sustainability, Energy & the Environment (ACSEE2021)
Title: Research on Intensive Development Mechanism of Land Use in Medium-sized Cities in Western China Based on “The Yangtze River Conservation” Strategy
Stream: Environmental Sustainability & Environmental Management: Land Use & Misuse
Presentation Type: Live-Stream Presentation
Authors:
Wenbo Luo, Southeast University, China

Abstract:

As a crucial national strategy of Chinese national ecological civilization construction, “the Yangtze-River Conservation” aims to achieve the overall planning and balance of ecological protection and urban spatial development at the macro-scale of the entire river basin. In practice, there are significant differences among cities along the Yangtze-River. Different from the central large cities which have concentrated resources, technology and human resources, small and medium-sized cities are limited by their resources, location and underdeveloped economic level. Therefore, differentiated and intensive urban spatial structure and land use mechanisms will be of great significance to sustainable urban construction in the future. In this study, 8 medium-sized waterfront cities in Chongqing Watershed Section of the Yangtze River Economic Belt were detailed investigated, revealing the dynamic spatial-temporal relationship between urban space, water and citizen life in history, which can be summarized into 4 types of urban spatial structure evolution models. Based on this, through cross-comparison of environment, population, economy, traffic data and land construction indexes of these cities, the following five intensive use land mechanisms are proposed: 1. Evaluation-- evaluating ecological sensitivity of built-up areas as the basis; 2. Accounting-- setting up a coupling model of land development index and ecological evaluation to avoid extensive land expansion; 3. Grading-- identifying key areas of land use, to concentrate resources; 4. Resilience-- formulating dynamic Resilient indexes to improve the ability to resist risks; 5. Collaboration-- a platform for land use information sharing between cities to achieve resource complementarity.

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