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Updated: Jan 13, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
Enhancing urban landscape connectivity through industrial land transformation: Integrating utilization efficiency and
Heng Kan1, Guanqiao Ding2, Tao Zhou3
1School of Geography and Ocean Science, Nanjing University, Nanjing, 210023, China; College of Land Management, Nanjing Agricultural University, Nanjing, 210095, China; Key Laboratory of Coastal Zone Exploitation and Protection, Ministry of Natural Resources, Nanjing, 210023, China.
Abstract:
Urbanization has intensified the tension between land development and ecological protection, leading to the fragmentation and isolation of urban ecosystems. A critical yet underexplored scientific question is how to identify and transform underutilized construction land to restore ecological connectivity within land-scarce urban areas. To address this gap, we developed a comprehensive framework that integrates the ecological conversion of urban industrial land (UIL) with landscape connectivity optimization, using Kunshan City as a case study. Building upon ecological security pattern (ESP), we coupled UIL efficiency and habitat isolation assessments to identify patches that are both inefficiently used and highly isolating. We identified UIL patches suitable for ecological transformation through the UGS suitability evaluation and incorporated them into the optimization of the ecological network. The results showed that 14 patches were suitable for ecological transformation in Kunshan City. By converting these patches into ecological stepping stones, the ecological network's α, β, and γ indices increased by 56.67 %, 28.56 %, and 24.91 %, respectively. In addition, the PC index rose by 4.79 %, and the IIC index by 2.05 %, demonstrating a significant improvement in landscape connectivity. It can be concluded that in urban areas with limited land resources, the inefficient UIL plays a crucial role in enhancing landscape connectivity and promoting sustainable development. This study provides a novel framework and valuable reference for planning the reuse of underutilized UIL and optimizing the ESP.
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