基于SFIC模型的丹江口水库漂浮物多元主体协同治理OA

[Objective]To ensure the safety of water supply and water quality for the South-to-North Water Diver-sion Project,this paper explores the collaborative governance mechanism for floating debris in the Danjiangkou Res-ervoir and clarifies the key points for enhancing the effectiveness of collaborative governance,thereby promoting the sustainable development of the ecological environment in the reservoir area.[Methods]First,based on the SFIC model and the characteristics of floating debris management in the Danjiangkou Reservoir,factors that influenced collaborative governance were identified.Second,structural equation modeling(SEM)was used to analyze the rela-tionships among the influencing factors.Finally,system dynamics(SD)dynamic simulation was employed to ana-lyze the trend of collaborative governance effectiveness and conduct sensitivity analysis.[Results](1)SEM analy-sis results showed that starting conditions,facilitative leadership,and institutional design not only had a direct posi-tive impact on collaborative governance effectiveness but also exerted indirect positive effects through collaborative processes.The order of impact of these factors on collaborative governance effectiveness was:collaborative process＞institutional design＞facilitative leadership＞starting conditions.(2)System dynamics simulation results indicated that the effectiveness of collaborative governance first rose rapidly,then its growth rate slowed,and it finally gradu-ally stabilized,with scores stabilizing between 4.7 and 4.8(on a scale in which 5 represented the ideal state of col-laborative governance effectiveness),which was close to the ideal level.This suggested that floating debris manage-ment in the reservoir area was likely to complete the nationally prescribed governance tasks within the planning peri-od.(3)Sensitivity analysis results showed that collaborative governance effectiveness was most sensitive to changes in the collaborative process,followed by institutional design and facilitative leadership,with starting conditions be-ing relatively weak.This finding was consistent with SEM conclusions.Additionally,the sensitivity analysis of items within each factor provided detailed guidance for formulating specific governance strategies.[Conclusion]Based on the above research findings,this paper proposes the"1+3"coordinated governance implementation pathway,which focuses on improving the collaborative process as the core approach,while simultaneously optimizing institu-tional design,strengthening facilitative leadership,and consolidating starting conditions through three complementa-ry measures.This governance pathway aims to comprehensively improve the effectiveness of multi-stakeholder col-laborative governance of floating debris in the Danjiangkou Reservoir and provides a theoretical basis and reference for research on multi-stakeholder collaborative governance in related fields.