## 5 Discussion
### Driving Mechanisms of CCD Between HF and EQ in China's Lake-Ring Urban Agglomerations
Compared to [PERSON] [55], who emphasized that \"rational development can achieve human-environment coordination,\" this study further indicates that the driving mechanism of CCD has shifted from a single expansion-driven model to an \"economic-ecological\" cross-linked model. Regional difference analysis shows that THU possesses the most mature human-environment coordinated development mechanism, with the contribution of its driving factors consistently remaining high. This indicates that the marginal driving effect in this urban agglomeration's human-environment system stabilization phase has weakened. The driving structure of DTU and PYU is characterized by \"HF dominance and EQ growth.\" The increase in the explanatory power of EQ indicators such as NDVI, LST, and NDBSI reflects the growing pressure on ecological regulation faced by low-development areas. CHU and HZU exhibited a structural transition from LUI dominance to NL and GDP dominance. The regional differences further support the findings of [PERSON] [56]. Policy Implications for Human-Environment Coordinated Management Zoning in China's Lake-Ring Urban Agglomerations  
In rapid urban expansion and increasingly vulnerable ecosystems, constructing a scientific human-environment coordinated pathway is crucial for regional sustainable development [57]. This study innovatively integrates the static and dynamic characteristics of HF and EQ, proposing a dual-dimensional human-environment management zoning method. This method considers the spatiotemporal heterogeneity of human development intensity and ecosystem response, addressing the limitations of traditional static and subjective ecological zoning [58]. The findings provide a more practical management tool for complex lake-ring urban agglomerations. Targeted governance strategies should be implemented according to different regions: (1) HSEZ should act as a model zone for human-environment coordination, prioritizing urban functions with high ecological benefits. Promoting green infrastructure and eco-friendly urban renewal can maintain ecosystem stability under high-intensity development. (2) ECPZ should adhere to a protection-first principle. Transforming the value of ecological products, establishing ecological compensation mechanisms, and moderately guiding low-impact development can prevent the paradox of \"ecological surplus but functional inefficiency.\" (3) HRSZ should expedite ecological restoration of degraded cropland and urban-rural fringe areas. For instance, promoting rural-urban integrated development can facilitate cropland remediation, green industry integration, and ecological corridor connectivity, enhancing system functional reorganization. (4) Although HIRZ has a strong ecological foundation, high development intensity significantly hinders coordinated development. Strengthening land use regulation and defining ecological control zones and construction boundaries can prevent further EQ degradation. (5) HCAZ represents the most prominent area of human-environment conflict and the highest ecological risk. Priority should be given to implementing ecological restoration, land reforestation, lakeside retreat, and restricting high-intensity construction. Strengthening ecological early warning mechanisms and promoting cross-regional collaborative governance are also recommended.