Dataset

Algaebase

EurOBIS Open in mapper Explore occurrences

AlgaeBase is a database of information on algae that includes terrestrial, marine and freshwater organisms. At present, the data for the marine algae, particularly seaweeds, are the most complete.

Citation: Guiry, M.D. & Guiry, G.M. 2012. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on dd Month yyyy.

Published: September 17, 2025 at 08:33

License: For more information on the restrictions, use contact information.

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

Contacts:

Michael Guiry
National University of Ireland Galway; Ryan Institute

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

National University of Ireland Galway
National University of Ireland Galway

115,058
occurrence records
9,283
taxa
8,390
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 13,011
11.3%
eventDate 50,866
44.2%
maximumDepthInMeters 115,058
100.0%
minimumDepthInMeters 115,058
100.0%
scientificNameID 1,378
1.2%

Quality flags

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

Flag Dropped Records
NO_DEPTH 115,058
100.0%
NO_MATCH 1,378
1.2%
NO_ACCEPTED_NAME 1,264
1.1%
ON_LAND 1,242
1.1%
MARINE_UNSURE 29
0.0%
NOT_MARINE 14
0.0%

Measurement types

DNA derived data