This dataset includes the data used in in the HELCOM/OSPAR Ballast Water Exemptions Decision Support Tool. This tool was developed in 2013 based on the overall IMO framework, the 21 Baltic and North-East Atlantic coastal states and the EU. It allows user to define 'low risk' routes, as well as other necessary steps in granting exemptions under regulation A-4 of the IMO Ballast Water Management Convention (BWMC)

Citation: HELCOM/OSPAR Joint Ballast Water Exemptions Decision Support Tool: https://maps.helcom.fi/website/RA_tool/ HELCOM and OSPAR, 2020

Published: September 17, 2025 at 09:04

URL: https://ipt.vliz.be/eurobis/resource?r=helcom_ospar_germany_ports_water_sampling

OSPAR Commission for the Protection of the Marine Environment of the North-East Atlantic
OSPAR Commission for the Protection of the Marine Environment of the North-East Atlantic

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

5,736

occurrence records

709

measurements and facts

515

taxa

335

species

Taxa

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	5,736		100.0%
maximumDepthInMeters	5,736		100.0%
minimumDepthInMeters	5,736		100.0%
scientificNameID	16	242	4.5%

Quality flags

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

Flag	Records
NO_DEPTH	5,736	100.0%
ON_LAND	1,738	30.3%
NO_ACCEPTED_NAME	557	9.7%
NO_MATCH	242	4.2%
MARINE_UNSURE	161	2.8%
NOT_MARINE	118	2.1%

HELCOM/OSPAR Germany ports water sampling

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data