Opportunistic macroalgae blooms (green tides) data are collected during monitoring surveys on the English Channel / Bay of Biscay French coasts since 2008 (Quadrige program code : BLOOMS). Protocols are implemented in the European Water Framework Directive.

Citation: CEVA, 2022. Opportunistic macroalgae blooms (green tides) monitoring along the North and Atlantic French coasts since 2008. SEANOE. https://www.seanoe.org/data/00820/93188/

Published: September 17, 2025 at 08:32

URL: https://ipt.vliz.be/eurobis/resource?r=bloom_ifremer

CEVA
CEVA

Flanders Marine Institute (VLIZ)
Flanders Marine Institute (VLIZ)

Institut Français de Recherche pour l'Exploitation de la Mer; Centre de Nantes; DYNECO - Service Valorisation de l’Information pour la Gestion Intégrée et la Surveillance
Institut Français de Recherche pour l'Exploitation de la Mer; Centre de Nantes; DYNECO - Service Valorisation de l’Information pour la Gestion Intégrée et la Surveillance

3,320

occurrence records

17,730

measurements and facts

taxa

Taxa

Missing and invalid fields

No missing or invalid fields.

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag	Dropped	Records
ON_LAND		653	19.7%

Opportunistic macroalgae blooms (green tides) monitoring along the North and Atlantic French coasts since 2008

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data