Dataset

SeagrassSpotter.org Global Seagrass Point Dataset

OBIS UK MeasurementOrFact Open in mapper Explore occurrences

Georeferenced seagrass point data from SeagrassSpotter.org, an online social network of citizen scientists observing seagrass meadows globally. All observations include location error estimation aligned to the cover component of seagrass as an Essential Ocean Variable (EOV). All data quality is controlled and assurred following citizen science collection with associated images. All data provides species present, date of collection, and url link to associated image, with some of the data containing additional metadata on seagrass condition and threats.

Citation: Unsworth, R.K.F., Jones, B.L.H, Rogers, A., Cullen-Unsworth, L.C., Lilley, R.J. (2025). SeagrassSpotter. Project Seagrass, Bridgend, UK. Available from https://seagrassspotter.org.

Published: December 11, 2025 at 08:50

First registration: December 11, 2025 at 08:53

License: This work is released under the Creative Commons Attribution (CC BY) licence

URL: https://www.dassh.ac.uk/ipt/resource?r=project_seagrass

Contacts:

Benjamin Jones
Project Seagrass

Project Seagrass
Project Seagrass

13,283
occurrence records
63,933
measurements and facts
47
taxa
46
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 76
0.6%
maximumDepthInMeters 7,755
58.4%
minimumDepthInMeters 10,599
79.8%

Quality flags

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

Flag Dropped Records
NO_DEPTH 7,611
57.3%
ON_LAND 1,855
14.0%
DEPTH_EXCEEDS_BATH 68
0.5%

Measurement types

DNA derived data