Report of the Working Group on Marine Mammal Ecology

2,92
MB (WGMME)

55
stron

5383
ID International Council for the Explorations of the Sea

2006
rok

Content

1 Executive summary .1

2 Opening of the meeting .2

2.1 Acknowledgements .2

3 TOR A) Population sizes, bycatches and mitigation measures of marine mammals.3

3.1 New information on population sizes3

3.2 New Information on Bycatches.4

3.2.1 Harbour porpoises in the North Sea .4

3.2.2 Common dolphins in pelagic trawl fisheries: .4

3.2.3 Common dolphins in VHVO bottom pair trawlers.5

3.2.4 Other marine mammal bycatch observations-Spanish vessels .6

3.2.5 Baltic seals:.6

3.2.6 Baltic Harbour Porpoises:.6

3.2.7 Russian Data on Barents Sea Seals: .7

3.2.8 Bycatch Monitoring Schemes in Norway.7

3.2.9 Bycatch Observation schemes under EU Reg 812/2004: .8

3.3 New Information on mitigation measures: 12

3.3.1 Fishery Restrictions:.12

3.3.2 Technical measures 12

3.4 References 13

4 TOR B) The prey of marine mammals in each WGRED region.15

4.1 Summary 15

4.2 Introduction 17

4.2.1 Interpretation of the Terms of Reference17

4.2.2 Review of methods used in marine mammal diet studies.17

4.2.3 Dietary variability and change20

4.2.4 Data for models 21

4.3 Regions.21

4.3.1 Region A. Iceland Greenland 21

4.3.2 Region B. Barents Sea23

4.3.3 Region C. Faroe Plateau .25

4.3.4 Region D. Norwegian Sea 25

4.3.5 Region E. Celtic Seas .26

4.3.6 Region F. North Sea .27

4.3.7 Region G. Bay of Biscay and Iberian Seas.29

4.3.8 Baltic 30

4.4 References 30

5 TOR C) Workshop planning 38

5.1 WGMME Workshop on Environmental quality and Marine Mammal health 38

5.2 References 40

6 TOR D) WGMME cooperative research reports current status and future format41

6.1 Alternative to cooperative research reports .41

6.2 Concerns.41

6.3 Draft for web page design .42

7 TOR E) Review REGNS North Sea ecosystem assessment43

7.1 Introduction 43

7.2 Parameters 43

7.3 References 46

8 Recommendations for future activities48

8.1 Recommendation I 48

8.2 Recommendation II .48

8.3 Recommendation III48

8.4 Future meeting48

Annex 1: List of participants .49

Annex 2: Agenda .50

Annex 3: WGMME terms of reference 2007 .51