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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Scoping Review: What Is the State of Knowledge on the Role of Biodiversity in the Design, Delivery and Benefits of Nature-Based Solutions?
Auteurs :	Ioanna Akoumianaki, Auteur ; Robin J. Pakeman, Auteur
Type de document :	Rapport
Format :	100
Mots-clés :	Solution fondée sur la nature ; Bibliographie ; Restauration environnement ; Indicateur ; Biodiversité
Résumé :	A Quick Scoping Review of the peer-reviewed literature on the role of biodiversity in nature-based solutions (NBS) revealed a broad and relatively recent evidence base of 45 articles and 48 NBS cases, covering a wide range of journal types, geographic locations, NBS types, type of ecosystems, taxonomic species, biodiversity metrics, issues addressed and NBS outcomes, but with important evidence gaps. Four types of NBS and their combinations were reported in the evidence base: NBS1-Protection and conservation (8 cases); NBS2-Sustainable management (21 cases); NBS3-Restoration (9 cases); NBS4-Habitat Creation (5 cases); and NBS5-Combinations of management and protection, restoration of habitat creation actions (5 cases) This suggested that 43.75% of the evidence base comprised cases exploring the role of biodiversity in NBS2-Sustainable management. The effect of biodiversity (positive, negative, mixed or “no effect”) on NBS outcomes was assessed in 38 cases using different metrics. A positive effect for at least one metric was reported in 28 cases, which included: 13 cases for NBS2-Sustainable management, six cases for NBS3Restoration, five cases for NBS1-Protection, four cases for NBS4-Habitat creation and two cases for NBS5- Combination of management and restoration or habitat creation actions. A negative effect for at least one metric was reported in five cases and a mixed effect (i.e., when both negative and positive effects of biodiversity metric were reported) in eight cases. ● Overall, the role of biodiversity depended on the biodiversity metric used and intended outcomes. Indeed the role: supporting, regulating, or as material or non-material contributions to people varied among studies for the same type of ecosystem, taxa, metric, and type of NBS. Thus, the role of biodiversity is not intrinsic to the taxa or the metric but is context-specific. The context is determined by the issues that need to be addressed by NBS and the intended outcomes. This finding is consistent with the spirit of the IPBES framework of nature’s contributions to people (NCP), which recognises that there are multiple ways of understanding and categorising relationships between people and nature and avoids leaving these perspectives out of the picture or forcing them into a specific pre-determined category.
En ligne :	https://www.biodiversa.eu/wp-content/uploads/2023/05/D4.2-Desk-study-NBS.pdf

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