MedOBIS

Open in mapper Explore occurrences

MedOBIS, the Regional OBIS Node for the Mediterranean Sea, is hosted by the Institute of Marine Biology, Biotechnology and Aquaculture https://imbbc.hcmr.gr/ (IMBBC), Hellenic Centre for Marine Research, HCMR https://www.hcmr.gr/en/ (Ελληνικό Κέντρο Θαλασσίων Ερευνών, ΕΛ.ΚΕ.Θ.Ε.), Heraklion (Crete). Launched in 2003, it has already been operational in 2005 as a Tier 3 Node of EurOBIS and covered the Eastern Mediterranean and the Black Sea. Under the European projects EMODNET and LifeWatchGreece (started in 2013), it became a Tier 2 node and extended to all Mediterranean Sea. MedOBIS provides access to data from a wide range of sources and time periods, including new and historical data sets. MedOBIS actively contributes to global scientific effort for FAIR and OPEN data.

Dimitra Mavraki
dmavraki@hcmr.gr

Christos Arvanitidis
arvanitidis@hcmr.gr

Ioannis Rallis
i.rallis@hcmr.gr

Melina Loulakaki
m.loulakaki@hcmr.gr

133,231
occurrence records
4,898
taxa
4,244
species
83
datasets

Datasets

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 74,831 1,946
57.6%
decimalLongitude 2
0.0%
eventDate 43
0.0%
maximumDepthInMeters 38,902 2,080
30.8%
minimumDepthInMeters 38,922 777
29.8%
scientificNameID 44 572
0.5%

Quality flags

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

Flag Dropped Records
NO_DEPTH 39,675
29.8%
DEPTH_EXCEEDS_BATH 9,343
7.0%
ON_LAND 9,222
6.9%
NO_ACCEPTED_NAME 3,378
2.5%
NO_MATCH 572
0.4%
MARINE_UNSURE 359
0.3%
NOT_MARINE 150
0.1%
DATE_IN_FUTURE 14
0.0%
LON_OUT_OF_RANGE 2
0.0%
NO_COORD 2
0.0%