Modelling with stakeholders to integrate biodiversity into land-use planning - Lessons learned in Réunion Island (Western Indian Ocean)

Lagabrielle Erwann, Botta Aurélie, Daré William's, David Daniel, Aubert Sigrid, Fabricius Christo. 2010. Modelling with stakeholders to integrate biodiversity into land-use planning - Lessons learned in Réunion Island (Western Indian Ocean). Environmental Modelling and Software, 25 (11) : pp. 1413-1427.

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Thème(s) HCERES des revues (en SHS) : Géographie-Aménagement-Urbanisme-Architecture

Abstract : This paper considers participatory modelling to integrate biodiversity conservation into land use planning and to facilitate the incorporation of ecological knowledge into public decision making for spatial planning. Réunion Island has experienced rapid urban and agricultural expansion, which threaten its unique biodiversity. In this context, we designed three participatory modelling sequences, involving overall 24 multidisciplinary researchers and stakeholders. The sequences aimed: (1) to map land-use and biodiversity, (2) to develop a conservation plan following systematic conservation planning principles using a spatial optimization tool (MARXAN) and (3) to simulate coupled land-use/conservation scenarios using a multi-agent system (MAS). The conservation plan confirms that priority areas for biodiversity protection are located on the coast where rapid land-use changes occur. Nevertheless, stakeholders from the urban and agricultural sector did not participate to this sequence. Indeed, conservation planning tools are useful to locate conservation priorities but they have to be designed with stakeholders to be accepted as negotiation tool. Besides, the researchers engaged in this second sequence were perceived as conservation stakeholders rather than holders of scientific knowledge. In the third sequence, the researchers involved adopted the stance of facilitating the elicitation of each stake and gathered trust from stakeholders. Overall, we conclude that the participatory development of land-use simulation models should be promoted to explore alternative scenarios for biodiversity conservation with stakeholders. In a situation of land-use conflict, a gradual and sequential participatory modelling approach should be implemented to fit into public decision-making processes. (Résumé d'auteur)

Mots-clés Agrovoc : Aménagement du territoire, Biodiversité, Modélisation environnementale, Modèle de simulation, Utilisation des terres, Conservation des ressources, Participation, approches participatives

Mots-clés géographiques Agrovoc : Réunion

Mots-clés complémentaires : Système multiagents

Classification Agris : P01 - Nature conservation and land resources
U30 - Research methods
E11 - Land economics and policies

Champ stratégique Cirad : Axe 6 (2005-2013) - Agriculture, environnement, nature et sociétés

Auteurs et affiliations

  • Lagabrielle Erwann, NMMU (ZAF)
  • Botta Aurélie, CIRAD-ES-UPR GREEN (FRA)
  • Daré William's, CIRAD-ES-UPR GREEN (REU)
  • David Daniel, Université de la Réunion (FRA)
  • Aubert Sigrid, CIRAD-ES-UPR GREEN (MDG)
  • Fabricius Christo, NMMU (ZAF)

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