Overall biological quality of rivers in Brittany

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Provided by Observatoire de l'environnement en Bretagne

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Dataset information

Catalog

Observatoire de l'environnement en Bretagne catalog

Country of origin

France

Updated

2026.03.31 11:50

Created

2024.06.28

Available languages

English

Keywords

Datasource

Official portal for European data link

Quality scoring

Dataset description

Indices of overall biological quality of Breton rivers by monitoring station from 1995 to 2022. These indices are calculated using standardised methods (Afnor) and used routinely as part of the assessment of the ecological status of waters. Each station is attached to its different territories (territory contract, sage, epci, region, department). **Sources:** AELB (BD OSUR), OFB (Naïades), Dreal Bretagne, 2023. Processing: Environment Observatory in Brittany, 2023. **Go further:** consult the regulatory context and methodology in the datavisualisation <a href="https://bretagne-environnement.fr/boardboard/biological-indexes-analysis-of-the-evolution-of-the-quality-of-breton-watercourses" target="_blank">"Biological indices: Analysis of the evolution of the quality of Breton rivers since 2007"</a> carried out by the EPO.

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