Spatial delineation of coastal zone based on the perspective of land-sea cross-system impacts:Ningde city as an example
To effectively conduct coastal spatial planning,it is imperative to scientifically and rationally determine the spatial extent of coastal zones.The precision in demarcating these boundaries is not just a procedural formality but a fundamental necessity that directly impacts the scientific rigor and operational effectiveness of coastal spatial planning efforts.The unique character of coastal zones is intrinsically tied to the cross-system interactions between terrestrial and marine ecosystems.Traditional approaches to delineate these zones have often fallen short in scientific validity and practical rationality,primarily due to their limited acknowledgment of these critical cross-system dynamics.Consequently,the advancement of ecosystem-based integrated land-sea research has been notably slow.Recognizing this deficiency,this study embarks on a comparative analysis of various methods employed to define coastal spatial boundaries,weighing their strengths and weaknesses against the backdrop of land-sea cross-system influences.The analysis delves into the types,processes,and scope of these influences,thereby laying the groundwork for a more comprehensive method of demarcation.The proposed methodology integrates diverse approaches,incorporating administrative boundaries,natural geographic landmarks,and spatial distances.This multifaceted approach aims to encapsulate the complexity of coastal zones more accurately,aligning administrative convenience with ecological realities.The city of Ningde in Fujian province serves as an illustrative case study to showcase the application of the proposed method.The spatial boundaries delineated using our proposed method successfully encompass the coastal ecosystems,capturing the nuances of cross-system interactions.This alignment of ecological and administrative boundaries is crucial for effective coastal management and spatial planning.By accurately reflecting the interplay of terrestrial and marine ecosystems,the delineated boundaries provide a more realistic portrayal of coastal dynamics,which is vital for crafting sustainable and effective coastal management strategies.Furthermore,the study's findings contribute significantly to the theory and practice of integrated land and sea planning.By centering on cross-system impacts,the proposed method offers not just a theoretical framework but also practical guidance for coastal spatial planning.This approach is poised to facilitate more informed decision-making,ensuring that management strategies and planning initiatives are grounded in a comprehensive understanding of the complex,intertwined nature of coastal ecosystems.
land-sea integrationcoastal zonespatial planningcross-system impactNingde city
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