From planning to implementation: A multi-stakeholder partnership for managing plant invasions in tropical island ecosystems

Rouget Mathieu, Fenouillas Pauline, Cazal Emilie, Caubit Margot, Ajaguin Soleyen Cédric, Balard Eve, Becker-Scarpitta Antoine, Calichiama Laurent, Karczewski Gael, Lavergne Christophe, Lequette Benoit, L'Horset Roxane, Marie Léa, Payet Guillaume, Payet Nicolas, Picot Frédéric, Strasberg Dominique, Triolo Julien, Turquet Vincent, Delorme Jean-Philippe. 2024. From planning to implementation: A multi-stakeholder partnership for managing plant invasions in tropical island ecosystems. Biological Invasions, 26 (12) : 4381-4399.

Url - jeu de données - Dataverse Cirad : https://doi.org/10.18167/DVN1/NCXYNX / Url - jeu de données - Dataverse Cirad : https://doi.org/10.18167/DVN1/4TVNWX

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie

Résumé : Effective management of invasive species within protected areas requires innovative solutions. In the Mascarene's archipelago, the national park of Reunion contains the largest area of intact vegetation, which faces alarming threats from invasive alien plant species. In response, the local government initiated an inclusive partnership in 2018 involving decision-makers, managers, and scientists to address the management of invasive alien plant species. An operational framework from planning to implementation has been established encompassing five key steps: (1) conduct a comprehensive site assessment, (2) model future threats, (3) prioritise interventions, (4) implement actions through a multi-stakeholder programme spanning multiple years, and (5) evaluate the effectiveness of implemented interventions. This study provides an in-depth examination of the research-action partnership and the operational framework, illustrating outputs for key priority sites. Our survey covered over 2500 ha, quantifying invasion degree in three vegetation strata at a fine-scale, and revealed significant areas within subalpine vegetation which remain remarkably pristine. By adapting participatory conservation planning approaches, we developed implementation-level outputs at a scale useful for managers which guided interventions on the ground. The partnership exemplifies a transdisciplinary approach with a broad array of stakeholders. Drawing from a checklist of essential components for successful partnerships, we highlight key insights from this initiative, providing valuable lessons for managing invasions in other regions. This framework holds promise for addressing several Global Biodiversity Framework Targets concerning plant invasions in island ecosystems or within landscapes characterised by multi-layered governance.

Mots-clés Agrovoc : espèce envahissante, approche participative, gestion des ressources naturelles, biodiversité, espèce introduite

Mots-clés géographiques Agrovoc : La Réunion, France

Mots-clés libres : Biological invasions, Invasive species management, Restoration planning, Mascarenes, Reunion Island, Research-action partnership, GBF Targets

Agences de financement européennes : European Commission, European Agricultural Fund for Rural Development

Agences de financement hors UE : Conseil Régional de La Réunion, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Parc National de La Réunion, Agence Française de Développement

Auteurs et affiliations

• Rouget Mathieu, CIRAD-BIOS-UMR PVBMT (REU) ORCID: 0000-0002-6172-3152 - auteur correspondant
• Fenouillas Pauline, CIRAD-BIOS-UMR PVBMT (REU) ORCID: 0000-0003-4944-8108
• Cazal Emilie, Parc national de la Réunion (REU)
• Caubit Margot, Parc national de la Réunion (REU)
• Ajaguin Soleyen Cédric, CIRAD-BIOS-UMR PVBMT (REU)
• Balard Eve, DEAL (REU)
• Becker-Scarpitta Antoine, CIRAD-BIOS-UMR PVBMT (REU) ORCID: 0000-0001-9241-091X
• Calichiama Laurent, SPL-EDDEN (REU)
• Karczewski Gael, Parc national de la Réunion (REU)
• Lavergne Christophe, CBN-CPIE Mascarin (REU)
• Lequette Benoit, Parc national de la Réunion (REU)
• L'Horset Roxane, CIRAD-BIOS-UMR PVBMT (REU) ORCID: 0000-0002-6328-2282
• Marie Léa, ONF (REU)
• Payet Guillaume, Parc national de la Réunion (REU)
• Payet Nicolas, Réunion. Département (REU)
• Picot Frédéric, CBN-CPIE Mascarin (REU)
• Strasberg Dominique, Université de la Réunion (REU)
• Triolo Julien, ONF (REU)
• Turquet Vincent, Réunion. Département (REU)
• Delorme Jean-Philippe, Parc national de la Réunion (REU)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/611481/)

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