HELCOM Metadata catalogue Open data in a single API request

Bridges and other constructions (HOLAS 3) Open Data

This dataset contains polyline data of bridges and other constructions downloaded from OpenStreetMap

Issued on 2023-02-20

Input of impulsive anthropogenic sound (HOLAS 3) Open Data

Input of impulsive anthropogenic sound includes impulsive events from 2016-2021 • Seismic surveys (

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Maritime Spatial Plan Areas test Open Data

This dataset contains Maritime Spatial Plan areas (MSP areas) as reported by national contact points

Issued on 2017-07-09

Hunting of seals (HOLAS 3) Open Data

The dataset contains the number of hunted seals per species (ringed, harbour, and grey) per county/m

Issued on 2023-03-03

Discharge of warm water from nuclear power plants 2016-2021 (HOLAS 3) Open Data

HOLAS 3 data set on Nuclear power plants discharge water outlets for 2016-2021. The coverage of the

Issued on 2023-02-24

Biodiversity ArcGIS REST map service Open Data

This web mapping service contains datasets related to biodiversity such as Ecosystem components maps

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Shipping WMS Open Data

This web mapping service contains data and maps related to shipping and pollution response. The ser

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Monitoring ArcGIS REST map service Open Data

This web mapping service contains HELCOM monitoring stations network as defined in HELCOM Monitoring

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Circalittoral mud Open Data

Broad-scale habitat maps for the Baltic Sea have been produced in the EUSeaMap project in 2016. Fo

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Melanogrammus aeglefinus (NT) Open Data

Observations of Melanogrammus aeglefinus were collected from the Baltic Sea area for HELCOM Red List

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Chlorophyll-a 2018 Open Data

This core indicator evaluates the average chlorophyll-a concentration in surface water (0 – 10 m) du

Issued on 2018-06-28

TBT in biota Open Data

This dataset contains all TBT in biota monitoring station locations, observed matrix, biota matrix a

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Zostera noltii (VU) Open Data

Observations of Zostera noltii were collected from the Baltic Sea area for HELCOM Red List species l

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Catchments (JRC-CCM2) Open Data

The CCM2 database covers the entire European continent, including the Atlantic islands, Iceland and

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Rivers Open Data

River and lake outlines around the Baltic Sea based on 1:1,000,000 scale source maps.

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Fishing effort mobile bottom-contacting gear fourth quarter 2013 Open Data

This dataset describes fishing effort (hours/c-square) for mobile bottom-contacting gear in fourth q

Issued on 2015-08-25

Vanellus vanellus (NT) Open Data

Observations of Vanellus vanellus were collected from the Baltic Sea area for HELCOM Red List specie

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Cepphus grylle arcticus (LC) Open Data

Observations of Cepphus grylle arcticus were collected from the Baltic Sea area for HELCOM Red List

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Harbour seal distribution Open Data

This map shows the distribution and abundance of harbour seals across the Baltic Sea. The map was o

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Pharmaceuticals in sediment Open Data

This dataset contains data that was collected for the HELCOM report on Pharmaceuticals in the Baltic

Issued on 2016-08-30

Atelecyclus rotundatus (VU) Open Data

Observations of Atelecyclus rotundatus were collected from the Baltic Sea area for HELCOM Red List s

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Alisma wahlenbergii (VU) Open Data

Observations of Alisma wahlenbergii were collected from the Baltic Sea area for HELCOM Red List spec

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TBT in sediments Open Data

This dataset contains all TBT in sediments monitoring station locationsas reported to HELCOM secreta

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Upogebia stellata (DD) Open Data

Observations of Upogebia stellata were collected from the Baltic Sea area for HELCOM Red List specie

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Risk of oil spills from collisions fixed objects 2008 2009 (BRISK) Open Data

This dataset depicts risk of oil spills from collision with fixed objects and spills from offshore p

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Input of heat (HOLAS 3) Open Data

Input of heat pressure dataset contains delta heat values from warm water discharge of - Discharge o

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Fishing effort midwater trawl 2009 Open Data

This dataset describes fishing effort (hours/c-square) for midwater trawl in 2009 based on VMS/Log b

Issued on 2015-08-25

Fishing intensity OT MIX CRU DMF 2009 v2 Open Data

This dataset describes fishing intensity for OT MIX CRU DMF mobile bottom contacting gear in 2009 ba

Issued on 2017-11-01

Lebetus guilleti (DD) Open Data

Observations of Lebetus guilleti were collected from the Baltic Sea area for HELCOM Red List species

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Secchi Depth frequency Open Data

This dataset contains the most up-to-date reported data about hydrographical monitoring stations in

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HELCOM hotspots Open Data

This dataset consists of information and status of the main pollution sources within the Baltic Sea

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AA.H1B4, AA.I1B4, AA.J1B4 and AA.M1B4 (NT) Open Data

Summary Estimated observations of the biotope AA.H1B4, AA.I1B4, AA.J1B4 and AA.M1B4 were collected

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Direct phosphorus load from aquaculture Open Data

This dataset reflects spatial distribution of nutrients load and load of selected hazardous substanc

Issued on 2018-04-20

Hexabromocyclodocecane (HBCDD) 2018 sediment data Open Data

This dataset represents the underlying data on core indicator Hexabromocyclododecane (HBCDD). The co

Issued on 2018-06-28

Pontoporeia femorata (LC) Open Data

Observations of Pontoporeia femorata were collected from the Baltic Sea area for HELCOM Red List spe

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Nitrate and Nitrite Nitrogen frequency Open Data

This dataset was collected by HELCOM Secretariat during the HELCOM MORE project and represents moni

Issued on 2013-05-06

Risk of oil spills from groundings 2020 (BRISK) Open Data

This dataset depicts risk of oil spill from groundings. The modeled risk is calculated for the scena

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Mytilus distribution Open Data

Distribution of blue mussel based on data submission by HELCOM contracting parties. Mainly pointwise

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Heavy metals in biota Open Data

This dataset contains all heavy metal monitoring station locations, observed matrix, biota matrix an

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Cod abundance Open Data

Baltic International Trawl Survey (BITS) data (2011-2016) from ICES DATRAS database was used as a ba

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Fishing effort mobile bottom-contacting gear third quarter 2013 Open Data

This dataset describes fishing effort (hours/c-square) for mobile bottom-contacting gear in third qu

Issued on 2015-08-25

Perfluorooctane sulphonate (PFOS) 2018 biota data Open Data

This dataset represents the underlying biota data on core indicator Perfluorooctane sulphonate (PFOS

Issued on 2018-06-28

AA.E1C4 (NT) Open Data

Summary Estimated observations of the biotope AA.E1C4 were collected from the Baltic Sea area by ex

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Distribution of Baltic seals - grey seal 2018 Open Data

This core indicator evaluates the state of the marine environment using distribution of the three sp

Issued on 2018-06-28

Chara connivens (LC) Open Data

Observations of Chara connivens were collected from the Baltic Sea area for HELCOM Red List species

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Top 40 rivers with highest phosphorus concentrations Open Data

This dataset reflects spatial distribution of nutrients load and load of selected hazardous substanc

Issued on 2018-04-20

Modelled bottom salinity (BALANCE) Open Data

Summary The following 6 categories of annual mean salinity were applied delineating the Kattegat an

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Myriocladia lovenii (DD) Open Data

Observations of Myriocladia lovenii were collected from the Baltic Sea area for HELCOM Red List spec

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Polyaromatic hydrocarbons (PAH) and their metabolites 2018 sediment data Open Data

This dataset represents the underlying sediment data on core indicator Polyaromatic hydrocarbons (PA

Issued on 2018-06-28

Gadus morhua (VU) Open Data

Observations of Gadus morhua were collected from the Baltic Sea area for HELCOM Red List species lis

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Lakes (JRC-CCM2) Open Data

Summary The CCM2 database covers the entire European continent, including the Atlantic islands, Icel

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Seven largest rivers draining to the Baltic Sea Open Data

This dataset contains the seven largest rivers in the Baltic Sea catchment areas. The dataset was cr

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Total phosphorus 2018 Open Data

This indicator evaluates the eutrophication status of the Baltic Sea area based on annual total phos

Issued on 2018-06-28

Nucula nucleus (VU) Open Data

Observations of Nucula nucleus were collected from the Baltic Sea area for HELCOM Red List species l

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Hippolyte varians (VU) Open Data

Observations of Hippolyte varians were collected from the Baltic Sea area for HELCOM Red List specie

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Liparis liparis (LC) Open Data

Observations of Liparis liparis were collected from the Baltic Sea area for HELCOM Red List species

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Cepphus grylle grylle (NT) Open Data

Observations of Cepphus grylle grylle were collected from the Baltic Sea area for HELCOM Red List sp

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Oil platforms (HOLAS 2) Open Data

This dataset contains point data describing the location of oil platforms in the Baltic Sea. The d

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Diffuse load of Nitrogen Open Data

This dataset reflects spatial distribution of nutrients load and load of selected hazardous substanc

Issued on 2018-04-20

Rocky shores stone reefs polyline (BRISK) Open Data

The data set is showing rocky shores and stone reefs in the Baltic Sea area as polylines used for th

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Lampetra fluviatilis (NT) Open Data

Observations of Lampetra fluviatilis were collected from the Baltic Sea area for HELCOM Red List spe

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Fishing intensity OT CRU 2009 v2 Open Data

This dataset describes fishing intensity for OT CRU mobile bottom contacting gear in 2009 based on V

Issued on 2017-11-01

Fishing intensity OT SPF 2016 v2 Open Data

This dataset describes fishing intensity for OT SPF mobile bottom contacting gear in 2016 based on V

Issued on 2017-11-01

TBT biota number of stations Open Data

This dataset contains all TBT stations by sub-basin in the Baltic Sea as reported to the HELCOM MORE

Issued on 2013-05-06