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Fact sheets on threatened and/or declining species and biotopes/habitats

1. Biotopes/habitats

2. Algae

3. Vascular plants 

4. Invertebrates

5. Birds

6. Fish

7. Mammals

1. Biotopes/habitats

Offshore (deep) waters below the halocline

Shell gravel bottoms

Seagrass beds

Macrophyte meadows and beds

Gravel bottoms with Ophelia species

Sandbanks which are slightly covered by sea water all the time

Estuaries

Mudflats and sandflats not covered by seawater at low tide

Coastal lagoons

Large shallow inlets and bays

Reefs

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)

Maerl beds

Sea pens and burrowing megafauna communities 

2. Algae

Charophyta

Chara braunii

Chara connivens

Chara horrida

Chara tomentosa

Lamprothamnium papulosum

Phaeophyta

Fucus vesiculosus Bladderwrack

Fucus serratus Toothed wrack

Rhodophyta

Furcellaria lumbricalis 

3. Vascular plants

Angiospermophyta

Zostera marina, Eelgrass

Zostera noltii, Dwarf eelgrass

Alismataceae

Alisma wahlenbergii

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

Monoporeia affinis

Pontoporeia femorata

Saduria entomon, Skorv

Chrysomelidae/coleoptera

Macroplea mutica

Macroplea pubipennis

5. Birds

Gaviidae

Gavia arctica, Black-throated diver

Gavia stellataRed-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 schinziiDunlin

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