Dataset

SHARK - Regional monitoring and monitoring projects of Epibenthos in Sweden since 1994

EurOBIS MeasurementOrFact Open in mapper Explore occurrences

Regional monitoring programs for Epibenthos have been performed since 1994 in Sweden. The monitoring is financed by the Swedish county administration boards, Swedish municipalities and Swedish coalitions of water conservation. Recipient control data financed by companies are also included. Sampling is performed by a large number of different institutes and consulting firms. Data from monitoring projects are also included in this dataset. The data is stored in the database SHARK, hosted and maintained by the Swedish Meteorological and Hydrological Institute. The Epibenthos monitoring programs and projects studies hard and soft bottoms from the surface down to 10-20 meters. Data is collected in transects or squares with help of divers. Species abundances are determined directly by the divers or photographs are taken and analyzed later.

Citation: Swedish county administration boards, Swedish municipalities, Swedish coalitions of water conservation, Swedish Meteorological and Hydrological Institute, et al (2017). SHARK - Regional monitoring and monitoring projects of Epibenthos in Sweden since 1994

Published: July 02, 2024 at 16:02

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

URL: https://ipt.vliz.be/eurobis/resource?r=smhi-epibenthos-reg

Contacts:

Swedish county administration boards
Swedish county administration boards

Swedish municipalities
Swedish municipalities

Swedish Meteorological and Hydrological Institute
Swedish Meteorological and Hydrological Institute

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

321,913
occurrence records
1,006,574
measurements and facts
757
taxa
481
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 321,913
100.0%
decimalLatitude 26
0.0%
decimalLongitude 26
0.0%
maximumDepthInMeters 38,569
12.0%
minimumDepthInMeters 25,176
7.8%
scientificNameID 1,976 194
0.7%

Quality flags

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

Flag Dropped Records
ON_LAND 58,880
18.3%
NO_DEPTH 25,176
7.8%
NOT_MARINE 11,708
3.6%
MARINE_UNSURE 3,316
1.0%
NO_MATCH 1,300
0.4%
DEPTH_EXCEEDS_BATH 1,109
0.3%
NO_ACCEPTED_NAME 373
0.1%
NO_COORD 26
0.0%
WORMS_ANNOTATION_REJECT_GROUPING 13
0.0%

Measurement types

DNA derived data