Percentage of restored areas that show measurable improvements in biodiversity, ecosystem function, or resilience post-restoration (e.g., survival rate of transplanted corals or re-established seagrass coverage).
Restoration Success Rate (PI2293)
- Reporting Format Unit Referenced within Metric Definition
- Metric Type Metric
- Metric Level Product/Service
- IRIS Metric Citation IRIS, 2025. Restoration Success Rate (PI2293). v5.3b.
Footnote
Organizations should footnote all assumptions used.
Usage Guidance
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This metric is intended to measure the percentage of restored areas that show measurable improvements in biodiversity, ecosystem function, or resilience after restoration efforts have taken place.
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For additional guidance, please refer to available international and local guidance for measurement and definition of restoration such as Society for Ecological Restoration (SER) standards, and IUCN Global Standard for Nature based Solutions.
Impact Categories & Themes
SDG Goals & Targets
Responsible Consumption and Production
- SDG Target 12.2
Life Below Water
- SDG Target 14.2
Life on Land
- SDG Target 15.1
Metric History
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June 2025 - IRIS+ v5.3b Released (current version)
New metric. Restoration Success Rate (PI2293) was developed via the IRIS+ Marine Resources Conservation and Management Expert Subgroup.