Combining GIS processing and mathematical modelling for Landscape Units assessment and planning: An application to Lanzo Valleys (Piedmont, Italy)

This paper presents a methodological contribution to the integration of GIS-based spatial analysis with the PANDORA model (Procedure for mAthematical aNalysis of lanDscape evOlution and equilibRium scenarios Assessment), a mathematical framework for simulating ecological dynamics and connectivity across landscapes. The study focuses on developing a workflow to calculate ecological indicators derived from open-access spatial datasets, processed within QGIS (Quantum Geographic Information System). These indicators are used to parameterize an extended version of the PANDORA model, designed to represent more complex network interactions among Landscape Units (LUs). The model is applied to a real-world case study in the Lanzo Valleys (Valli di Lanzo) in Northern Italy, and falls into one of the Landscape Ambits defined by the Regional Landscape Plan of the Piedmont Region. The ecological parameters are based on the lengths, perimeters and surfaces provided by Corine Land Cover Map (CLC) by Copernicus, that are processed in GIS environment. The results of this modelling approach demonstrate the effectiveness of GIS in supporting the operational use of ecological models, enabling the systematic calculation of ecological indicators and the spatialization of key parameters. The proposed workflow informs decision-making for policymakers, public bodies, and environmental specialists, supporting the design, assessment, as well as the monitoring of landscape policies and ecological features across different spatial and temporal scales.