Abstract

As land resources and ecosystems provide necessary materials and conditions for human development, land use change and ecological security play increasingly important roles in sustainable development. This study aims to reveal the mutual-influence and interaction between land use change and ecological security in Wuhan, based on the coupling coordination degree model. As such, it provides strategies for the achievement of the synchronous and coordinated development of urbanization and ecological security. The results showed that, during the period from 2006 to 2012, the size of built-up area in Wuhan increased to 26.16%, and that all the other types of land use reduced due to the urbanization process, which appeared to be the main driving force of land use change. The ecological security in Wuhan has been improving as a whole although it was somewhat held back from 2006 to 2008 due to the rapid growth of built-up area. The coupling coordination analysis revealed that the relationship between built-up area and ecological security was more coordinated after 2008. The results can provide feasible recommendations for land use management and environmental protection from the viewpoint of coordinated development. To achieve sustainable development from economic and ecological perspective, policy makers should control the rate of urban expansion and exert more effort on intensive land use, clean energy development and emission reduction.

Highlights

  • Ecological security, as the fundamental guarantee for achieving the sustainable development and promoting public health, has already become a widely used security concept and important research topic because of serious ecological degradation and environmental pollution [1,2]

  • Human activities can influence the ecological security through consuming natural resources and discharging waste while they are developing economy and creating wealth [5]

  • After the changes of land use structure and area during the study period were evaluated on the Arc INFO platform (ERSI, Redlands, CA, USA), the land use change was analyzed from the aspect of land use dynamic degree and land use integrated dynamic degree based on the findings of

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Summary

Introduction

Ecological security, as the fundamental guarantee for achieving the sustainable development and promoting public health, has already become a widely used security concept and important research topic because of serious ecological degradation and environmental pollution [1,2]. Human activities can influence the ecological security through consuming natural resources and discharging waste while they are developing economy and creating wealth [5]. Among these factors, land use change, as the most common human activity, plays an essential role in ecological security. With rapid urbanization processes, it can cause serious environmental pollution and threaten ecological security and public health

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