Journal of Digital Landscape Architecture

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GIS Modeling as Launchpad for Geodesign of Regional Rural-Urban Nutrient Partnership

The article discusses the development and application of a GIS model to support the planning of a rural-urban nutrient partnership. This initiative, funded through the German research program “Agrarsysteme der Zukunft” (Future Agricultural Systems), aims to promote a circular economy by recycling nutrients from household waste and wastewater for agricultural use. The GIS tool assesses the potential for collecting organic raw materials and the utilization potential of produced fertilizers in agrarian areas. The spatial analysis incorporates parameters, such as population density, building age (to estimate the likelihood of retrofitting for new sanitary systems), and agricultural land use. An essential aspect of the tool is its consideration of ecologically sensitive areas and other regulatory factors, such as protected zones, to ensure environmentally responsible implementation. The goal of using the tool is to identify optimal locations for either centralized or decentralized nutrient processing facilities. The model enables spatial prioritization and assists decision-makers in evaluating options for introducing a nutrient community on a regional scale and to promote and substantiating content of the development of a “Sector Plan for a Nutrient Community”.

Autor / Author: Schwarz-v.Raumer, Hans-Georg; Czikl, Jonas
Institution / Institution: University of Stuttgart/Germany; University of Stuttgart/Germany
Seitenzahl / Pages: 10
Sprache / Language: Englisch
Veröffentlichung / Publication: JoDLA – Journal of Digital Landscape Architecture, 10-2025
Tagung / Conference: Digital Landscape Architecture 2025 – Collaboration
Veranstaltungsort, -datum / Venue, Date: Dessau Campus of Anhalt University, Germany 04-06-25 - 07-06-25
Schlüsselwörter (de):
Keywords (en): Geodesign, nutrient recycling, rural-urban collaboration
Paper review type: Full Paper Review
DOI: doi:10.14627/537754039
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