North-East Atlantic and Baltic Sea Health Check: Assessing the

0,59
MB status of wildlife and habitats

79
stron

1210
ID WWF Germany, Marine & Coastal Division

2003
rok

Index

1. Introduction. 5

2. The Marine Environment 5

2.1 National Boundaries and Responsibilities . 7

2.2 Commitments and Targets Related to the Marine Environment 7

3. A Region Under Threat - The North-East Atlantic and Baltic Seas. 8

3.1. The North-East Atlantic. 8

3.2 Baltic Sea (including Kattegat). 12

4. Threats to the Marine Environment and its Biodiversity . 13

4.1 Hazardous Substances 13

4.2 Nutrient Input . 16

4.3 Pollution from Shipping and Man-Made Structures at Sea 19

4.4 Damage to Marine Habitats and Species due to Fishing Activities .. 22

4.5 Marine Litter .. 24

4.6 Climate Change. 25

4.7 Seafloor Dredging and Aggregate Extraction 26

5. Conserving Marine Habitats and Species . 27

5.1 International Efforts in Marine Biodiversity Conservation 27

5.2 EU Marine Biodiversity Policy . 29

5.3 Integrating Biodiversity Objectives within Sectoral Policies 30

6. Habitats .. 31

6.1 Soft Sediments and Offshore Mud Bottom Areas .. 31

6.2 Seamounts 33

6.3 Deep-water sponge fields. 34

6.4 Cold-water coral reefs 35

6.5 Offshore Sand and Gravel Beds 37

6.6 Intertidal mudflats 40

6.7 Eelgrass meadows 41

6.8 Maerl beds 43

6.9 Kelp banks 44

6.10 Mussel Banks (Mytilus edulis) 46

6.11 Chara sp. Meadows . 47

7. Species Descriptions 49

7.1 Long-tailed duck (Clangula hyemalis).. 49

7.2 Fulmar (Fulmarus glacialis).. 50

7.3 Alfonsinos (Beryx sp.) .. 52

7.4 Common Skate (Dipturus batis, formerly Raja batis).. 53

7.5 Baltic Sturgeon (Acipenser sturio) .. 54

7.6 Atlantic Cod (Gadus morhua) 55

7.7 Sharks . 57

7.8 Atlantic salmon (Salmo salar).. 59

7.9 Harbour porpoise (Phocoena phocoena).. 60

7.10 Blue whale (Balaenoptera musculus) . 62

7.11 Bladderwrack (Fucus vesiculosus).. 64

8. Summary and Conclusions.. 65

8.1 Assessing the Status of the North-East Atlantic and Baltic Sea.. 66

8.2 Current Management Efforts . 70

8.3 Towards More Effective Management? 71

8.4 WWF Call for Action. 72