Conceptual connotation and quantification methods of ecosystem service flows
Ecosystem service flows indicate the actually-used services,which act as a link between ecosystem services supply and demand.For effective practical application,it is crucial to understand and clarify its concept and quantification methods.In recent years,the concept of ecosystem service flows has received more and more attention,but there is still a lack of a systematic review connecting the conceptual connotation,quantification method and practical application.Therefore,in order to strengthen the practical significance of ecosystem service supply and demand assessment,and to make up for the limitation of current research,we clarify the conceptual definition of ecosystem service flows based on the perspectives of process,quantity and space,summarize the quantitative methodology of ecosystem services and explore a systematic framework for research of ecosystem service flows.Focusing on the ecological significance and geospatial processes,stakeholder roles and decision-making systems for human well-being enhancement,this paper suggests establishing a systematic research framework of'ecosystem services supply and demand assessment-ecosystem services management action-human well-being enhancement vision',which is projected to propel a broader prospect and practical domain for future research of ecosystem service flows.
ecosystem service flowssupply and demand assessmentstakeholdershuman well-beingecosystem services management
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