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Research Progress on Ecological Risk Assessment Based on Multifunctional Landscape

Abstract: The unreasonable utilization and trade-offs of the multifunctional landscape is one of the important causes leading to ecological risk. Quantifying the relationship, heterogeneous process and driving mechanism between landscape function and human well-being can provide a scientific basis for achieving a win-win situation of regional development and ecological protection, and it is also an important issue for relevant scientific research. In this paper, we reviewed the current state of knowledge regarding landscape function and ecological risk, identified the feedback mechanisms among landscape change, landscape function, human well-being and ecological risk, constructed the ecological risk assessment framework based on landscape functions, and sorted out the key scientific issues and research trends. The interconnections between the multifunctional landscape, human well-being, and ecological risk comprise an important scientific issue in ecological risk assessment. However, there is a lack of understanding of the spatial-temporal characteristics of landscape function trade-offs, and there is also a lack of systematic and standardized methods for the identification and comprehensive evaluation of landscape functions. Exploring ecological risk management and the methodologies that integrate the two processes of nature and humanity is an inevitable trend for future research. Coupling landscape structure, function and process into ecological risk assessment, as well as focusing on the combination of human well-being, landscape function trade-off and ecological risk control policy design are important issues to be studied.