1 Data information

The Baltic Marine Environment Protection Commission (Helsinki Commission - HELCOM) is an intergovernmental organization governing the Convention on the Protection of the Marine Environment of the Baltic Sea Area (Helsinki Convention). A regional sea convention and a platform for environmental policy making at the regional level, HELCOM works for the protection of the marine environment of the Baltic Sea. HELCOM consists of ten members - the nine Baltic Sea countries Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia and Sweden, plus the European Union.

The Helsinki Convention was signed in 1974 by the Baltic Sea coastal countries to address the increasing environmental challenges from industrialisation and other human activities, and that were having a severe impact on the marine environment. The Helsinki Convention includes the protection of the Baltic Sea from all sources of pollution from land, air and sea. It also commits the signatories to take measures to conserve habitats and biological diversity and to ensure the sustainable use of marine resources. The Helsinki Convention was updated in 1992 to take into account the geopolitical changes and emerging environmental challenges in the region. The current version was ratified in 2000.

Contracting parties of HELCOM are:
    Denmark, Estonia, European Union, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden.

The HELCOM Secretariat is located in Helsinki, Finland. Source: https://en.wikipedia.org/wiki/HELCOM

2 Geographical extent

2.1 Coordinates

## [1] "West-Longitude: 17.74"

## [1] "South-Latitude: 58.94"

## [1] "East-Longitude: 21.32"

## [1] "North-Latitude: 60.78"

3 Available data for the defined area

3.1 Interactive map

3.2 Dataset list

Available information for the defined area
Pelagic habitats
Availability of deep water habitat, based on occurrence of H2S
Baltic Esker islands (1610)
Baltic Sea Ice maximum 1960 to 1964
Baltic Sea Ice maximum 2005 to 2009
Baltic Sea Ice minimum 1960 to 1964
Benthic marine landscapes (BALANCE)
Boreal Baltic islets and small islands (1620)
Breeding areas for birds
Charophyte distribution
Circalittoral hard substrate
Circalittoral mixed substrate
Circalittoral mud
Circalittoral sand
Coastal lagoons (1150)
Cod abundance
Cod spawning areas
Estuaries (1130)
Fucus distribution
Furcellaria lumbricalis distribution
Grey seal distribution
HELCOM MPAs
Harbour porpoise distribution
Herring abundance
Infralittoral hard substrate
Infralittoral mixed substrate
Infralittoral mud
Infralittoral sand
Large shallow inlets and bays (1160)
Modelled bottom current (BALANCE)
Modelled bottom salinity (BALANCE)
Modelled growth season bottom temp (BALANCE)
Modelled photic zone (BALANCE)
Modelled photic zone polygon (EUSeaMap)
Mudflats and sandflats (1140)
Mytilus distribution
Natura 2000 sites
Perch recruitment areas
Pikeperch recruitment areas
Potential nursery areas for flounder (PBS EFH)
Potential recruitment areas for perch (PBS EFH)
Potential recruitment areas for pikeperch (PBS EFH)
Potential spawning areas for Baltic flounder (PBS EFH)
Potential spawning areas for herring (PBS EFH)
Potential spawning areas for sprat (PBS EFH)
Productive surface waters (Chl-a)
Ramsar sites
Reefs (1170)
Ringed seal distribution
Sandbanks (1110)
Seabed sediment polygon (BALANCE)
Seabed sediments (BALANCE)
Seabed slope (BALANCE)
Sprat abundance
Submarine structures made by leaking gas (1180)
UNESCO sites
Wintering areas for birds
Zostera marina distribution

3.3 Datasets without information

List of datasets providing no information for the defined area
Baltic Sea Ice minimum 2005 to 2009
Baltic Sea fisheries closure
Cod fisheries closures
Harbour seal distribution
Potential spawning areas for European flounder (PBS EFH)
Potential spawning areas for cod (PBS EFH)
SAMBAH summer management border for the Baltic Proper population of harbour porpoises

4 Open-notebook

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