Fact sheets on threatened and/or declining species and biotopes/habitats
1. Biotopes/habitats
Offshore (deep) waters below the halocline
Gravel bottoms with Ophelia species
Sandbanks which are slightly covered by sea water all the time
Mudflats and sandflats not covered by seawater at low tide
Submarine structures made by leaking gases (Bubbling reefs)
Baltic esker islands with sandy, rocky and shingle beach vegetation and sublittoral vegetation
Boreal Baltic narrow inlets (Fjords)
Sea pens and burrowing megafauna communities
2. Algae
Charophyta
Phaeophyta
Fucus vesiculosus Bladderwrack
Fucus serratus Toothed wrack
Rhodophyta
3. Vascular plants
Angiospermophyta
Zostera marina, Eelgrass
Zostera noltii, Dwarf eelgrass
Alismataceae
Hippuridaceae
Hippuris tetraphylla Fourleaf mare's tail
4. Invertebrates
Molluscs/bivalvia
Parvicardium (Cerastobyssum) hauniense, Copenhagen cockle
Mya truncata, Blunt soft-shell clam, Blunt gaper
Crustacea
Saduria entomon, Skorv
Chrysomelidae/coleoptera
5. Birds
Gaviidae
Gavia arctica, Black-throated diver
Gavia stellata, Red-throated diver
Podicepedidae
Podiceps auritus, Horned grebe
Anatidae
Tadorna tadorna, Common shelduck
Mergus serrator, Red-breasted merganser
Melanitta fusca, White-winged scoter
Polysticta stelleri, Steller’s eider
Lariidae
Larus fuscus fuscus, Lesser Black-backed gull
Sterna albifrons, Little tern
Sterna caspia, Caspian tern
Sterna sandvicensis, Sandwich tern
Alcidae
Cepphus grylle, Black guillemot
Scolopacidae
Calidris alpina schinzii, Dunlin
6. Fish
Petromyzontidae
Lampetra fluviatilis, River lamprey
Petromyzon marinus, Sea lamprey
Lamna nasus, Porbeagle
Scyliorhinidae
Scyliorhinus canicula, Small-spotted catshark
Squalidae
Squalus acanthias, Dog shark
Rajidae
Amblyraja radiata, Thorny skate
Dipturus batis, Skate
Raja montagui, Spotted ray
Acipenseridae
Acipenser oxyrinchus, Baltic Sea sturgeon
Acipenser sturio, Atlantic sturgeon
Anguillidae
Anguilla anguilla, European eel
Clupeidae
Alosa alosa, Allis shad
Alosa fallax, Twaite shad
Clupeidae
Clupea harengus (subsp.), Baltic Sea autumn-spawning herring
Cobitidae
Cobitis taenia, Spined loach
Salmonidae
Salmo salar, Atlantic salmon
Coregonidae
Coregonus sp., anadromously migratory forms: Baltic houting, Pallas’s houting
Syngnathidae
Syngnathus acus, Great pipefish
Gadidae
Gadus morhua, Cod
Pollachius pollachius, Pollack
Cottidae
Cottus gobio, Miller’s thumb
Lumpenidae
Lumpenus lampretaeformis, Snake blenny
Sebastidae
Sebastes viviparus, Small redfish
7. Mammals
Phocidae
Halichoerus grypus, Grey seal
Phoca vitulina vitulina, Common (harbour) seal
Phoca hispida botnica, Baltic ringed seal
Phocoenidae
Phocoena phocoena, Harbour porpoise
Last up-dated 16.3.2009