The Evolution of Forest Landscape Connectivity and Ecological Network Construction: A Case Study of Zhejiang’s Ecological Corridors

Yuhan Bai, Jiajia Zhao, Hangrui Shen, Xinyao Li and Bo Wen ()
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Yuhan Bai: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Jiajia Zhao: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Hangrui Shen: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Xinyao Li: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Bo Wen: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China

Sustainability, 2024, vol. 16, issue 14, 1-24

Abstract: As main components of terrestrial ecosystems, forests play irreplaceable roles in maintaining ecological balance and protecting the basic environment for human survival and development. In this study, the dynamic changes in the forest landscape connectivity in Zhejiang province in 2000, 2010, and 2020 were detected by identifying ecological sources and evaluating connectivity indexes based on morphological spatial analysis (MSPA) and a minimum cumulative resistance (MCR) model. The results are as follows: (1) The forest area of Zhejiang increased by 64.88% from 2000 to 2020, indicating that the overall habitat quality has improved and that ecological risks have decreased, which are attributed to Zhejiang’s adherence to comprehensive environmental management. (2) Regions with low connectivity are distributed mainly in the north, where human activities are intensive. The overall pattern of high connectivity in the middle of the region and low connectivity elsewhere demonstrates the uneven distribution of forest landscape connectivity across the province. (3) The extracted ecological corridors have a mesh-like structure that is dense in the middle and slack in the north. Important corridors have disappeared over time, indicating potential issues in maintaining connectivity for species migration. (4) These results can provide optimization strategies for ecological infrastructure planning in Zhejiang province and offer a theoretical reference for the optimization of the ecological network system.

Keywords: forest landscape connectivity; morphological spatial analysis; minimum cumulative resistance model; ecological network; landscape fragmentation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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