This data set on deposition sites of dredged material (areas) reported by HELCOM Contracting parties according to http://www.helcom.fi/Recommendations/Rec%2036-2.pdf for the reporting period 2011-2016. The dataset contains data reported by nationally by nominated experts by HELCOM PRESSURE group for Denmark, Germany, Estonia, Finland, Latvia, Lithuania, Poland, Russia and Sweden.

The dataset contains the location of fossil fuel energy production facilities downloaded from the European Pollutant Release and Transfer Register (E-PRTR). E-PRTR covers all HELCOM Contracting Parties except Russia. See attribute specification and units at: https://www.eea.europa.eu/data-and-maps/data/industrial-reporting-under-the-industrial-5/database-structure-and-use-information/eea_industrial_reporting_metadata_v6/at_download/file

This dataset describes fishing intensity for subsurface mobile bottom contacting gear in 2009 based on VMS/Log book data processed by ICES Working Group on Spatial Fisheries Data (WGSFD). ICES secretariat collected during 2017 relevant VMS and logbook data for 2009-2016 to produce, as a technical service to HELCOM, updated spatial data layers on fishing intensity/pressure. Improved data quality control checks were implemented. Submitted data across the HELCOM area have improved in quality compared to previous data 2009-2013 published in 2015. Standardized methods were used to produce the requested data layers. The code used to create the data products is available here: https://github.com/ices-eg/wg_WGSFD For further technical information on the advice request, see http://www.ices.dk/sites/pub/Publication%20Reports/Advice/2017/Special_requests/helcom.2017.18.pdf HELCOM secretariat did the following processing to the shapefile provided by ICES: - Conversion to ETRS89LAEA coordinate system - Added feature and attribute "Reported" to display unreported areas. Dataset attribute information: c-square: Unique reference of the c-square polygon Year: Year of fishing activity mid_lat: latitude coordinate of the centroid of c-square inWGS84 decimal degrees mid_lon: longitude coordinate of the centroid of c-square inWGS84 decimal degrees SurfaceSAR: Surface area ratio (Swept area, < 2 cm penetration depth of the gear components) Subsurface: Subsurface area ratio (Swept area, subsurface =>2 cm penetration depth of the gear components) totweight: Total Weight (kg) totvalue: Total value (Euros) Kw Fishing Hours: (Kw*h) Fishing hours: (h) Reported: Yes=Reported data. No= No reported data (area that does not contain effort/intensity value due to lack of reported data). Please note that this dataset was updated (v2) in January 2019, see further details below in the lineage section.

This dataset was collected by HELCOM Secretariat during the HELCOM MORE project and represents monitoring stations in the Baltic Sea This data set contains all primary production stations in the Baltic Sea as reported to the HELCOM MORE project. It was collected and published at the beginning of 2013.The data came originally from the CORESET project. Contracting Parties were then asked to complete and check the info.

This dataset contains all dioxinsstations by sub-basin in the Baltic Sea as reported to the HELCOM MORE project.

In 2010, HELCOM completed the initial assessment (HOLAS I) of the ecosystem health of the Baltic Sea – including the associated costs and benefits to the society. The assessment was based on data from 2003 to 2007. The summary report can be found at: https://helcom.fi/wp-content/uploads/2019/08/BSEP122.pdf and more information about HOLAS I at: https://helcom.fi/baltic-sea-trends/holistic-assessments/2010-initial-holistic-assessment/ All datasets for HOLAS I and associated metadata were here compiled. The datasets are: BaP in mussel BaP in sediment BDE47 Status Benzo[b]fluoranthene status BghiP in mussels BghiP in sediment Bisphenol A in biota Cadmium in fish liver Cadmium in fish muscle Cadmium in mussels CB118 in fish CB118 in mussels CB118 in sediment Chlorophyll a status 2007-2011 Chlorophyll a status confidence 2007-2011 Chlorophyll a status distance to target 2007-2011 Coastal areas chl-a Coastal areas nitrogen Coastal areas overall eutrophication status Coastal areas phosphorus Coastal areas secchi DDE in herring DDE in mussels DDE in sediment DEHP in biota DEHP in sediment Dioxin and PCB in herring Dioxin and PCB in perch Dioxin in herring Dioxin in mussels Dioxin in perch Eutrophication status 2007-2011 Eutrophication status confidence 2007-2011 HCH in sediment HCH in water Interpolated benthic invertebrate status classification Interpolated chemical status Interpolated Chlorophyll a status classification Interpolated DIN status classification Interpolated DIP status classification Interpolated ecosystem health status Interpolated ecosystem health status Interpolated eutrophication status classification Interpolated secchi depth status classification Mercury in fish muscle Mercury in mussels Nitrogen status 2007-2011 Nitrogen status confidence 2007-2011 Nitrogen status distance to target 2007-2011 Nonylphenols Octylphenols Open sea areas benthic invertebrates Open sea areas chl-a Open sea areas nitrogen Open sea areas overall eutrophication status Open sea areas phosphorus Open sea areas secchi Overall biodiversity status coastal area Overall biodiversity status open sea Overall chemical status coastal areas Overall chemical status open sea Overall ecosystem health status coastal area Overall ecosystem health status open sea Oxygen status 2007-2011 Oxygen status confidence 2007-2011 Oxygen status distance to target 2007-2011 PFOS in herring liver PFOS in seal liver Phosphorus status 2007-2011 Phosphorus status confidence 2007-2011 Phosphorus status distance to target 2007-2011 SCCP in fish TBT in fish TBT in mussels TBT in sediment Water clarity status 2007-2011 Water clarity status confidence 2007-2011 Water clarity status distance to target 2007-2011 More information about the HELCOM holistic assessments can be found here: https://helcom.fi/baltic-sea-trends/holistic-assessments/

The data set is spawning areas for fish with demersal eggs in the Baltic Sea area as polygon areas used for the BRISK project (Sub-regional risk of spill of oil and hazardous substances in the Baltic Sea, http://www.brisk.helcom.fi/). This dataset has been produced by COWI (http://www.cowi.dk) based on data collected from Poland and Russia and by COWI from polygons created from 10 m depth curve. The dataset includes data provided by the BRISK Project Partner organisations. The detailed documentation of what partner provided what data is given in the Annex of the document: 70618-3.1.2.2 Data Collection Report.

This dataset describes fishing intensity for subsurface mobile bottom contacting gear in 2013 based on VMS/Log book data processed by ICES Working Group on Spatial Fisheries Data (WGSFD). ICES secretariat collected during 2017 relevant VMS and logbook data for 2009-2016 to produce, as a technical service to HELCOM, updated spatial data layers on fishing intensity/pressure. Improved data quality control checks were implemented. Submitted data across the HELCOM area have improved in quality compared to previous data 2009-2013 published in 2015. Standardized methods were used to produce the requested data layers. The code used to create the data products is available here: https://github.com/ices-eg/wg_WGSFD For further technical information on the advice request, see http://www.ices.dk/sites/pub/Publication%20Reports/Advice/2017/Special_requests/helcom.2017.18.pdf HELCOM secretariat did the following processing to the shapefile provided by ICES: - Conversion to ETRS89LAEA coordinate system - Added feature and attribute "Reported" to display unreported areas. Dataset attribute information: c-square: Unique reference of the c-square polygon Year: Year of fishing activity mid_lat: latitude coordinate of the centroid of c-square inWGS84 decimal degrees mid_lon: longitude coordinate of the centroid of c-square inWGS84 decimal degrees SurfaceSAR: Surface area ratio (Swept area, < 2 cm penetration depth of the gear components) Subsurface: Subsurface area ratio (Swept area, subsurface =>2 cm penetration depth of the gear components) totweight: Total Weight (kg) totvalue: Total value (Euros) Kw Fishing Hours: (Kw*h) Fishing hours: (h) Reported: Yes=Reported data. No= No reported data (area that does not contain effort/intensity value due to lack of reported data). Please note that this dataset was updated (v2) in January 2019, see further details below in the lineage section.

This core indicator evaluates the status of coastal sea areas of the Baltic Sea based on the abundance of sea trout parr in rivers where they breed. The determination of whether good status is reached is based on a comparison of the observed parr densities in rearing habitats with the reference potential parr densities in the specified habitats. This dataset displays the result of the indicator in HELCOM Assessment Scale 3 (Division of the Baltic Sea into 17 sub-basins and further division into coastal and offshore areas). Attribute information: "HELCOM_ID" = ID of the HELCOM scale 3 assessment unit "level_2" = Name of the HELCOM scale 2 assessment unit "level_3" = Name of HELCOM scale 3 assessment unit "ICES Subdivision" = ICES assessment unit number "Area (km2)" = Area of the HELCOM scale 3 assessment unit "Indicator_" = Name of the indicator "Unit" = Unit of the indicator "Type" = 1 = boundary values increase/decrease monotonically, 2 = optimum range indicator "Status" = Status of the indicator (“Achieve”, “Fail” or “Not assessed”) "ConfA" = Confidence of classification "ConfT" = Temporal confidence of classification "ConfS" = Spatial confidence of classification "ConfM" = Methodological confidence of classification "notes" = additional info "AULEVEL" = Assessment unit level used for the indicator

The extraction of cod pressure layer is based on two datasets: 1. http://metadata.helcom.fi/geonetwork/srv/eng/catalog.search#/metadata/7a1389b3-382a-487f-8888-ac45c94c5a97 for years 2011-2016 reported per ICES statistical rectangles (tonnes / ICES rectangle). 2. http://metadata.helcom.fi/geonetwork/srv/eng/catalog.search#/metadata/debeafcd-948b-4455-88ae-7a3d1618f5a8 from ICES recreational fisheries reports for 2011-2016, reported per country (only coastal areas included). Landing values were redistributed within each ICES rectangle by the c-square fishing effort data provided by ICES (all gears, 2011-2013). Tonnes / km² were calculated for both data sets and the results were converted to 1 km x 1 km grid cells. The layers were summed together, log-transformed and normalised to produce the final pressure layer on extraction of cod. Please see "lineage" section below for further details on attributes, data source, data processing, etc.