ICES Advice 2008, Book 10 - North Atlantic Salmon Stocks

Executive Summary 11 Introduction 21.1 Main tasks 21.2 Management framework for salmon in the North Atlantic 41.3 Management objectives 41.4 Reference points and application of precaution 52 Atlantic salmon in the North Atlantic area 62.1 Catches of North Atlantic salmon 62.1.1 Nominal catches of salmon 62.1.2 Catch-and-release 72.1.3 Unreported catches 72.2 Farming and sea ranching of Atlantic salmon 72.3 NASCO has asked ICES to report on significant, new or emerging threats to, or opportunities for, salmon conservation and management 72.3.1 Stock–recruitment models and developing conservation limits for Atlantic salmon populations in Norway 72.3.2 Standardization of run-reconstruction models for NAC and NEAC areas 82.3.3 Modelling dynamics of Atlantic salmon in the NAC and NEAC areas 82.3.4 Thermal habitat and depths experienced by Atlantic salmon kelts migrating from Newfoundland 92.3.5 Stock size, catch, and effort in the salmon fishery in the River Ellidaar, SW Iceland 92.3.6 The assessment of recent fishery management measures on salmon stocks in the River Bush and in UK (N. Ireland) with regard to adjacent regions 92.3.7 Red vent syndrome 92.3.8 Atlantic salmon stock assessment using DIDSON (Dual-Frequency Identification Sonar) 102.3.9 Smolt migration on the River Rhine 102.3.10 European regulations 102.4 NASCO has asked ICES to examine and report on associations between changes in biological characteristics of all life stages of Atlantic salmon, environmental changes and variations in marine survival with a view to identifying predictors of abundance. 112.4.1 Biological characteristics of salmon across the North Atlantic area 112.4.2 Size of 1SW fish returning to Norway 112.4.3 Decline in 2SW salmon in Iceland 112.4.4 Ecosystem-driven variations in return rates to a second spawning for Atlantic salmon from the Miramichi River 112.4.5 West Greenland biological characteristics database, 1968–2007 122.5 NASCO has asked ICES to describe the natural range of variability in marine survival with particular emphasis on partitioning mortality to the narrowest geographic scale possible (estuarine, near-shore, offshore, etc.) 122.5.1 Variability in estuarine and early marine survival of smolts 122.5.2 Ocean tracking network 122.5.3 Sonic tracking of North American Atlantic salmon smolts to sea 122.6 NASCO has asked ICES to compile information on the marine migration and dispersal of escaped farmed salmon with particular emphasis on movements between countries 132.6.1 Experimental tagging programme for investigating the behaviour of escaped farmed salmon from Norway and Scotland 132.7 Update on marine research initiatives in the North Atlantic 132.7.1 Irish post-smolt survey in 2007 132.7.2 SALSEA 132.7.3 Update on marine research in the Barents Sea 142.8 NASCO has asked ICES to provide a compilation of tag releases by country in 2007 and advise on progress with compiling historical tag recovery data from oceanic areas 142.8.1 Compilation of tag releases and finclip data by ICES member countries in 2007 142.8.2 Workshop on Salmon Historical Information – New Investigations from Old Tagging Data (WKSHINI) 143 North East Atlantic Commission 283.1 Status of stocks/exploitation 283.2 Management objectives 283.3 Reference points 283.3.1 National conservation limits 293.3.2 Progress with setting river-specific conservation limits 293.4 Management advice 293.5 Relevant factors to be considered in management 303.6 Pre-Fishery Abundance forecast for 2008–2011 303.7 Comparison with previous assessment 313.7.1 National PFA model and national conservation limit model 313.7.2 PFA forecast model 313.8 NASCO has requested ICES to describe the key events of the 2007 fisheries and the status of the stocks 313.8.1 Fishing at Faroes in 2006/2007 313.8.2 Significant events in NEAC homewater fisheries in 2007 313.8.3 Gear and effort 313.8.4 Catches 313.8.5 Catch per unit effort (cpue) 323.8.6 Age composition of catches 323.8.7 Farmed and ranched salmon in catches 323.8.8 National origin of catches 323.8.9 Trends in the PFA for NEAC stocks 323.8.10 Survival indices for NEAC stocks 333.9 NASCO has requested ICES to provide any new information on the extent to which the objectives of any significant management measures introduced in recent years have been achieved. 333.10 Bycatch of salmon in non-targeted catches in 2007 334 North American Commission 414.1 NASCO has requested ICES to update age-specific stock conservation limits based on new information as available 414.2 NASCO has requested ICES to describe the key events of the 2007 fisheries (including the fishery at St Pierre and Miquelon) 414.2.1 Key events of the 2007 fisheries 414.2.2 Gear and effort 414.2.3 Catches in 2007 424.2.4 NASCO has requested ICES to report on the biological characteristics (size, age, origin) of the catch in coastal fisheries and potential impacts on non-local salmon stocks 434.2.5 Exploitation rates 434.3 NASCO has requested ICES to evaluate the extent to which the objectives of any significant management measures introduced in recent years have been achieved 445 Atlantic salmon in the West Greenland Commission 495.1 NASCO has requested ICES to describe the key events of the 2007 fishery 495.1.1 Catch and effort in 2007 495.1.2 Biological characteristics of the catches. 495.2 NASCO has requested ICES to provide any new information on the extent to which the objectives of any significant management measures introduced in recent years have been achieved. 506 NASCO has requested ICES to identify relevant data deficiencies, monitoring needs, and research requirements, taking into account NASCO’s international Atlantic salmon research board’s inventory of on-going research relating to salmon mortality in the sea 576.1 Prioritized list of recommendations 57

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