| Publication ahead of print | ||
|---|---|---|
| Journal |
Nat. Sci. Soc.
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| Section | Vie de la recherche – Research news | |
| DOI | https://doi.org/10.1051/nss/2026003 | |
| Published online | 10 avril 2026 | |
Nécessité écologique de changements transformateurs en aménagement et essai de croisements disciplinaires
Ecological imperative for transformative changes in planning and testing interdisciplinary approaches
1
Aménagement de l’espace et urbanisme, École d’urbanisme de Paris, Université Paris-Est-Créteil, Laboratoire Lab’Urba, Champs-sur-Marne, France
2
Géographie, Université d’Angers, UMR Espaces et sociétés, Angers, France
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Résumé
Le colloque « Contre nature. Land sharing ∼ land sparing. Complexité, diversité et renouvellement des arbitrages entre aménagement et conservation de la nature » s’est tenu à Paris en janvier 2025. Il a exploré les tensions entre aménagement du territoire et conservation de la nature, face à l’urgence écologique et environnementale globale. Centré sur les modèles de land sparing (séparation stricte des espaces naturels et anthropisés) et land sharing (intégration de la nature dans les espaces aménagés), il a analysé leur pertinence dans des configurations et des contextes spatiaux variés. Cinq sessions ont croisé sciences sociales et sciences de la nature, analysant les politiques publiques, les dynamiques paysagères, les conflits d’usages et les récits d’une transition écologique qui pourrait advenir. L’événement a aussi mis en débat les défis de traduction et d’adaptation de ces concepts pour repenser l’aménagement à l’ère des changements globaux.
Abstract
Held in January 2025 in Paris, the ‘Contre nature. Land sharing, land sparing. Balance complexity, diversity and new arbitrations between planning and nature conservation’ conference explored the complex balance between land development and nature conservation in the face of escalating environmental and ecological crises. Drawing from the latest IPBES and IPCC reports, it emphasized the urgent need for transformative changes in spatial planning to address biodiversity loss and climate change. The event, structured around the theoretical models of land sparing (separating intensive human activities from protected natural areas) and land sharing (integrating nature within human-modified spaces), fostered interdisciplinary dialogue between ecology, urban planning, and other social sciences. Participants examined how these models can be applied beyond agriculture to urban contexts, highlighting their limitations and the need for hybrid approaches tailored to local socio-ecological conditions. Sessions covered public policy transformations, landscape changes, political dimensions of space, and conflicts over nature’s role in urban planning. The event also included an evening session open to the general public, including documentary film screenings, public podcasts listening, and exhibitions showcasing citizen-led environmental initiatives. The conference concluded with a collective reflection on the translation of key concepts into French, highlighting challenges of adapting these frameworks to diverse planning contexts.
Mots clés : aménagement de l’espace / nature / arbitrages / modèles / land sparing / land sharing
Key words: planning / nature / arbitrations / policy models / land sparing / land sharing
© S. Bognon et L. Cormier, Hosted by EDP Sciences
This is an Open Access article distributed under the terms of the Creative Commons Attribution License CC-BY (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, except for commercial purposes, provided the original work is properly cited.
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