Report of the ICES Advisory Committee on Fishery

3,23
MB Management, Advisory Commit tee on the Marine Environment

140
stron and Advisory Committee on Ecosystems, 2005

3861
ID International Council for the Explorations of the Sea

2005
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TABLE OF CONTENTS

Section

1 ICES ADVICE

1.1 Introduction1

1.2 New report format1

1.3 The scientific basis for advice.1

1.3.1 Ecosystem approach .1

1.3.2 Sector approach 1

1.3.3 Assessment of the quality status of ecosystems3

1.4 The form of ICES advice .3

1.4.1 Fisheries advice .

1.5 Reference points for the status of fish stocks6

1.5.1 The identification of reference points for the status of fish stocks in the ICES area 7

1.6 Catch projections for the current and the following year7

1.7 Management advice for mixed fisheries .8

1.7.1 The incorporation of ecosystem considerations8

1.8 Quality of fishery statistics .9

1.9 Information from the fishing industry.10

1.10 Environment impact on fish stocks and the incorporation of ecosystem considerations 10

1.11 Future ICES advice in relation to the European Marine Strategy.14

2 GENERAL ADVICE

2.1 Northeast Atlantic General patterns17

2.2 Answers to Special Requests 20

2.2.1 EC DG Fish .20

2.2.1.1 Status List of EU Fish Stocks 20

2.2.1.2 Interaction of common dolphins Delphinus delphis and fisheries in the Northeast Atlantic22

2.2.2 EC DG Environment 26

2.2.2.1 Scientific information concerning impact of sonar activities on cetacean populations and

fish.26

2.2.2.2 Information and advice about appropriate eco-regions for the implementation of an

ecosystem approach in European waters31

2.2.3 HELCOM53

2.2.4 IBSFC 54

2.2.5 NASCO 55

2.2.6 NEAFC 56

2.2.7 OSPAR 57

2.2.7.1 Design of one-off surveys to provide new information for a number of OSPAR chemicals

for priority action.57

2.2.7.2 Quality Assurance of biological measurements in the Northeast Atlantic .64

2.2.7.3 Scientific aspects of risk management of ballast water 65

2.2.7.4 Review of the outcome of the ICES/OSPAR Workshop on the development of guidelines

for integrated chemical and biological effects monitoring, and finalising the guidelines .70

2.2.7.5 Assessment of the long-term impact of oil spills on marine and coastal life72

2.2.7.6 Endocrine disruptors and whether this is adequate for the marine environment, and advice

on any further work considered necessary to address issues specific to the marine environment78



2.2.7.7 Review of the report of the OSPAR/MON assessment in relation to contaminants in

sediments (and biota) and update the view of evaluation of the use of background concentrations

(BCs) and background assessment concentrations (BACs)86

2.3.1 Review of health indices used for the interpretation of data obtained from biological effects

monitoring activities and assessment of their applicability in relation to fish disease monitoring .92

2.3.2 Effects of contaminants on the immune system in fish and shellfish .94

2.3.3 Distribution, causes and significance of the Summer Mortality syndrome in the Pacific oyster

(Crassostrea gigas) and in other bivalve species 96

2.3.4 New disease trends in wild and cultured fish, molluscs and crustaceans .97

2.4 Monitoring Issues 108

2.4.1 Integrated monitoring for phytoplankton and harmful algal blooms108

2.4.2 Passive sampling techniques for contaminants.110

2.5 Extraction of marine sediments 112

2.6 Potential impacts of escaped non-salmonid candidates for aquaculture on localized native

stocks .116