Dataset

SHARK - National Grey seal monitoring in Sweden since 1989

EurOBIS MeasurementOrFact Open in mapper Explore occurrences

Data from Swedish environmental monitoring of abundance of Grey seal. Swedish monitoring of Grey seals started in 1989. The monitoring program was initiated by the Swedish Environmental Protection Agency and later the Swedish Agency for Marine and Water Management took over the responsibility and financing of the program. The monitoring is performed by the Swedish Museum of Natural History. Data is stored in the database SHARK, hosted and maintained by the Swedish Meteorological and Hydrological Institute. Monitoring of seal is performed by counting seals from land, ship or airplane. More information is available in Swedish at https://www.havochvatten.se/hav/samordning--fakta/miljoovervakning/miljoovervakningens-programomrade-kust-och-hav/delprogram-sal-och-havsorn.html

Citation: Swedish Museum of Natural History, Swedish Agency for Marine and Water Management, Swedish Environmental Protection Agency and Swedish Meteorological and Hydrological Institute (2017). SHARK - National Grey seal monitoring in Sweden since 1989.

Published: March 28, 2022 at 14:18

URL: http://ipt.vliz.be/eurobis/resource?r=shark_greyseal

Swedish Agency for Marine and Water Management
Swedish Agency for Marine and Water Management

Swedish Meteorological and Hydrological Institute
Swedish Meteorological and Hydrological Institute

Swedish Museum of Natural History
Swedish Museum of Natural History

Swedish Environmental Protection Agency
Swedish Environmental Protection Agency

16,352
occurrence records
16,352
measurements and facts
2
taxa
1
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 16,352
100.0%
maximumDepthInMeters 16,352
100.0%
minimumDepthInMeters 16,352
100.0%

Quality flags

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

Flag Dropped Records
NO_DEPTH 16,352
100.0%
ON_LAND 3,403
20.8%

Measurement types

DNA derived data