Journal
REMOTE SENSING
Volume 13, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/rs13122424
Keywords
ecological space; ecological quality; ecological health; ecological restoration; Pearl River Delta urban agglomeration
Categories
Funding
- Key project of the National Natural Science Foundation of China [71734006]
- National Key Research and Development Program of China [2016YFC0502800]
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The study highlights the importance of identifying and managing ecological restoration areas for sustainable urban development, while also pointing out the lack of a scientific basis for the scope and scale of ecological restoration in current research. By proposing a transdisciplinary framework combining ecological quality, ecological health, and ecosystem services, priority restoration areas can be effectively identified and classified to achieve policy goals and fulfill public preferences.
The identification and management of ecological restoration areas play important roles in promoting sustainable urban development. However, current research lacks a scientific basis for the scope and scale of ecological restoration. Further, the absence of a framework to assess policy goals and public preferences that leads to identification of ecological restoration areas across the science-policy interface is difficult, and the existing frameworks' performance has little applicability. We proposed a transdisciplinary framework to combine ecological quality, ecological health, and ecosystem services as an assessment endpoint to identify priority restoration areas. Further, we classified the ecological restoration areas on a township scale by K-means. Based upon policy goals and public preferences of the Pearl River Delta urban agglomeration, we chose air quality, biodiversity, soil fragility, recreation quality, ecosystem vigor, landscape metrics, and the water supply ecosystem service as elements of the evaluation system. This study showed that priority restoration areas accounted for 10.8% of the urban agglomeration area and classified township, largely in the difference between natural and semi-natural ecosystems and the human environment. Policymakers can use this framework comprehensively and flexibly to identify and classify ecological restoration areas to achieve policy goals and fulfil public preferences.
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