Name: National Institute of Marine Sciences and Technologies - Trawling surveys
License: This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License

Dataset from trawl surveys by the Laboratory of Marine Living Resources.

Citation

National Institute of Marine Sciences and Technologies, Republic of Tunisia Trawling Surveys. Republic of Tunisia.

Published

December 02, 2020 at 14:08

License

This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License

URL

http://ipt.iobis.org/afrobis/resource?r=instm_trawl

Archive

https://ipt.iobis.org/afrobis/archive.do?r=instm_trawl

Contacts

National Institute of marine sciences and technologies (INSTM)
National Institute of marine sciences and technologies (INSTM)

Malika Bel Hassen
National Institute of marine sciences and technologies (INSTM)

Ursula von St Ange
CSIR / SADCO / AfrOBIS

7,664

total submitted occurrences

7,605

accepted occurrences

220

taxa

188

species

Taxa

Missing and invalid fields

Field	Missing
coordinateUncertaintyInMeters	7,664	100.0%
eventDate	39	0.5%
maximumDepthInMeters	488	6.4%
minimumDepthInMeters	7,664	100.0%
occurrenceStatus	7,664	100.0%
scientificNameID	59	0.8%

Quality flags

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

Flag	Records
NO_DEPTH	488	6.4%
DEPTH_EXCEEDS_BATH	83	1.1%
NO_MATCH	59	0.8%
ON_LAND	12	0.2%

National Institute of Marine Sciences and Technologies - Trawling surveys

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data