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  • 1.
    Almqvist, Gustaf
    et al.
    University of Stockholm, Stockholm Sweden.
    Andersen, Michael
    Danish Fishermen’s Association, Fredericia, Denmark.
    Willestofte Berg, Casper
    DTU Aqua – National Institute of Aquatic Resources Section for Fisheries Advice, Charlottenlund, Denmark.
    Broadgate, Wendy
    The Fisheries Secretariat (FISH), Stockholm, Sweden.
    Bryan, Meaghan
    National Oceanic and Atmospheric Administration Southeast Fisheries Science Center, Miami, United States.
    Campana, Steven
    Fisheries and Oceans Canada Bedford Institute of Oceanography, Dartmouth, Canada.
    Cardinale, Max
    Swedish University of Agricultural Sciences Institute of Marine Research, Lysekil, Sweden.
    Casini, Michele
    Swedish University of Agricultural Sciences Institute of Marine Research, Lysekil, Sweden.
    Dierking, Jan
    Leibniz-Institut für Meereswissenschaften, Kiel, Germany.
    von Dorrien, Christian
    Thünen Institute Baltic Sea Fisheries, Rostock, Germany.
    Eero, Margit
    DTU Aqua – National Institute of Aquatic Resources, Charlottenlund, Denmark.
    Efimov, Yuri
    Russian Federal Research Institute of Fisheries & Oceanography (VNIRO), Moscow, Russian Federation.
    Gasyukov, Pavel
    AtlantNIRO, Kaliningrad, Russian Federation.
    Hemmer-Hansen, Jakob
    DTU Aqua – National Institute of Aquatic Resources Department of Inland Fisheries, Silkeborg, Denmark.
    Hjelm, Joakim
    Swedish University of Agricultural Sciences Institute of Marine Research, Lysekil, Sweden.
    Holmgren, Noél
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Horbowy, Jan
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Hüssy, Karin
    DTU Aqua – National Institute of Aquatic Resources, Charlottenlund, Denmark.
    Johansson, Reine
    Baltic Sea Advisory Council, Dyrön, Sweden.
    Jonusas, Stanislovas
    DGMare, Brussels, Belgium.
    Kornelius, George
    Institute of Food Safety, Animal Health and Environment (BIOR) 8 Daugavgrivas Str. Fish Resources Research Department, Riga, Latvia.
    Köster, Fritz
    DTU Aqua – National Institute of Aquatic Resources Section for Fisheries Advice, Charlottenlund, Denmark.
    Kraak, Sarah
    Thünen Institute, Braunschweig, Germany.
    Krumme, Uwe
    Thünen Institute Baltic Sea Fisheries, Rostock, Germany.
    Large, Scott
    International Council for the Exploration of the Sea, Copenhagen, Denmark.
    Larsson, Staffan
    Swedish Cod Fishermen’s Producer Organisation, Lycke, Sweden.
    Luzenczyk, Anna
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Lövgren, Johan
    Swedish University of Agricultural Sciences Institute of Marine Research, Lysekil, Sweden.
    Maguire, Jean-Jacques
    Godefroy, Quebec, Canada.
    Mosegaard, Henrik
    DTU Aqua – National Institute of Aquatic Resources, Charlottenlund, Denmark.
    Nielsen, Anders
    DTU Aqua – National Institute of Aquatic Resources, Charlottenlund, Denmark.
    Norrström, Niclas
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Oeberst, Rainer
    Thünen Institute Baltic Sea Fisheries, Rostock, Germany.
    Stepputtis, Daniel
    Thünen Institute Baltic Sea Fisheries, Rostock, Germany.
    Stern, Edward
    The Fisheries Secretariat (FISH), Stockholm, Sweden.
    Storr-Paulsen, Marie
    DTU Aqua – National Institute of Aquatic Resources Section for Fisheries Advice, Charlottenlund, Denmark.
    Strehlow, Harry Vincent
    Thünen Institute Baltic Sea Fisheries, Rostock, Germany.
    Svedäng, Henrik
    Swedish University of Agricultural Sciences Institute of Marine Research, Lysekil, Sweden.
    Trenkel, Verena
    Ifremer Nantes Centre, Nantes, France.
    Wæver Pedersen, Martin
    DTU Aqua – National Institute of Aquatic Resources Section for Fisheries Advice, Charlottenlund, Denmark.
    Zimmermann, Christopher
    Thünen Institute Baltic Sea Fisheries, Rostock, Germany.
    Report of the Benchmark Workshop on Baltic Cod Stocks (WKBALTCOD)2015Report (Other academic)
    Abstract [en]

    The ICES Benchmark Workshop on Baltic Cod Stocks (WKBALTCOD), chaired by External Chair Jean-Jacques Maguire, Canada and ICES Chair Marie Storr-Paulsen, Denmark, and attended by two invited external experts Verena Trenkel, France and Meaghan Bryan, USA met in Rostock, Germany, 2–6 March 2015 with 39 participants and six countries represented. The objective of WKBALTCOD was to evaluate the appropriateness of data and methods to determine stock status and investigate meth-ods appropriate to use in the single-stock assessment for the cod stock in SD 22–24 and cod in SD 25–32 in the Baltic. Participants in the workshop were a large group with diverse backgrounds representing the industry, fisheries, NGOs, managers and scientists.The single-stock analytic assessment of the eastern Baltic stock was not accepted by the assessment working group (WGBFAS) in 2014 due to severe problems with the input data. The advice for the eastern Baltic cod was, therefore, based on the ICES approach for data-limited stocks. As an outcome ICES decided to establish a bench-mark for both cod stocks and to scope an integrated assessment for the Baltic cod stocks. The first meeting (WKSIBCA) was therefore meant to introduce the interces-sional work conducted since the assessment working group in April 2014, and to reach some conclusions on how to proceed both in the short term (Benchmark in March 2015) and longer term (2–3 years) and was seen as a data compilation work-shop, there is produced a separate report from this workshop. The WKBALTCOD was the 2nd meeting in the benchmark process and was intended to come up with a final stock assessment method, stock annex and input data for both stocks. As it was not possible to reach conclusive decision on the final model to be used for the east Baltic cod stock during the benchmark meeting and as more work on the preferable models was needed, it was decided by the ACOM leadership to prolong the bench-mark process until the assessment working group meeting in April 2015. This deci-sion has led to a relatively long process partly mixed with the assessment working group WGBFAS.It became clear during the benchmark process that although large effort has been put into explaining the underlying processes leading to the changes in the Baltic ecosys-tem, there is still some lack of understanding of the present situation in the eastern Baltic cod stock. Therefore, it was not possible to reach firm conclusions on the final model to be used and therefore not possible to set reference points. It was decided to continue to explore the most promising models and to continue to improve the input data until the assessment working group started in April.The main challenges still to be solved for the Eastern Baltic cod stock is the quantifi-cation of increased natural mortality and decrease in growth. Through several presentations during the workshop (both WKSIBCA and WKBALTCOD) it became clear that natural mortality very likely has increased in later years, due to decreased condition and increased parasite infection. A decrease in growth also seems plausible duo to a decrease in condition and/or selectivity-induced mortality of the largest in-dividuals. However, as none of these parameters are easily estimated, especially with the severe ageing problems, different model assumptions made the output very shaky.For the western Baltic cod, stock identification issues were examined in area SD 24, the intermediate area: based on otolith characteristics and genetics. Due to the results showing a large proportion of east cod in this area, it was decided to split the catch2 | ICES WKBALTCOD REPORT 2015and survey from SD 24 into either the western or eastern Baltic cod stock. It was pos-sible to derive proportions of eastern and western cod in SD 24 back to the mid-1990s.For the western Baltic cod stock a modelled survey indices was included in the as-sessment covering the western part of SD 24 and Area 22+23 and based on a smoothed ALK.Both cod stocks have in the past used commercial tuning fleet to have a better cov-ered of older age groups. It was decided to abound this time-series duo quality issues such as a limited coverage and problems with technical creeping.WKBALTCOD was not able to explore and define reference points for the Western Baltic cod stock during the meeting due to time constraints, but these were calculated and decided by correspondence after the meeting. The recent protocols on estimation procedures developed by WKMSYREF3 for stocks with a full analytical assessment and for data-limited stocks served as objective guidelines to obtain reference point estimates.

  • 2.
    Andersen, Michael
    et al.
    Danish Fishermen’s Association Fredericia, Denmark.
    Arula, Timo
    University of Tartu, Estonia.
    Casini, Michele
    Swedish University of Agricultural Sciences, Sweden.
    Clink, Sally
    Baltic Sea Regional Advisory Council, Denmark.
    Collie, Jeremy
    University of Rhode Island, USA.
    Eckeskog, Magnus
    The Fisheries Secretariat (FISH), Sweden.
    Eero, Margit
    DTU Aqua - National Institute of Aquatic Resources, Denmark.
    Eriksson, Pehr E.
    Swedish Fisherman’s Federation Fiskets Hus, Sweden.
    Gasyukov, Pavel
    AtlantNIRO, Russian Federation.
    Gröhsler, Thomas
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Germany.
    Holmgren, Noél
    University of Skövde, School of Life Sciences. University of Skövde, The Systems Biology Research Centre.
    Horbowy, Jan
    National Marine Fisheries Research Institute, Poland.
    Howell, Daniel
    Institute of Marine Research, Norway.
    Jepsena, Ilona
    European Commission, Directorate for Maritime Affairs and Fisheries, Belgium.
    Johansson, Reine J.
    Swedish Fishermen´s Federation, Sweden.
    Janusas, Stanislovas
    European Commission Directorate for Maritime Affairs and Fisheries, Belgium.
    Kaljuste, Olavi
    Swedish University of Agricultural Sciences, Sweden.
    Karpushevskiy, Igor
    AtlantNIRO, Russian Federation.
    Klaas, Kunnar
    Ministry of the Environment of Estonia, Estonia.
    Kornilovs, Georgs
    Institute of Food Safety, Animal Health and Environment (BIOR), Latvia.
    Krumme, Uwe
    Thûnen Institute of Baltic Sea Fisheries (TI-OF), Germany.
    Linke, Sebastian
    University of Gothenburg, Sweden.
    Lövgren, Johan
    Swedish Unniversity of Agricultural Sciences, Sweden.
    Luzenczyk, Anna
    National Marine Fisheries Research Institute, Poland.
    Maguire, Jean-Jacques
    International Council for the Exploration of the Sea, Canada.
    Neuenfeldt, Stefan
    DTU Aqua - National Institute of Aquatic Resources, Denmark.
    Norrström, Niclas
    University of Skövde, School of Life Sciences. University of Skövde, The Systems Biology Research Centre.
    Oeberst, Rainer
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Germany.
    Plaganyi, Eva
    CSIRO Marine and Atmospheric Research (CMAR), Australia.
    Plikshs, Maris
    Institute of Food Safety, Animal Health and Environment (BIOR), Latvia.
    Raid, Tiit
    Estonian Marine Institute, University of Tartu, Estonia.
    Reeves, Stuart
    European Commission Directorate for Maritime Affairs and Fisheries , Belgium.
    Rindorf, Anna
    DTU Aqua - National Institute of Aquatic Resources, Denmark.
    Storr- Paulsen, Marie
    DTU Aqua - National Institute of Aquatic Resources, Denmark.
    Strehlow, Harry V.
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Germany.
    Vinther, Morten
    DTU Aqua - National Institute of Aquatic Resources, Denmark.
    Walther, Yvonne
    Swedish University of Agricultural Sciences, Sweden.
    Report of the Benchmark Workshop on Baltic Multispecies Assessments (WKBALT): 4–8 February 2013, Copenhagen, Denmark2013Report (Refereed)
  • 3.
    Aps, R.
    et al.
    University of Tartu.
    Fetissov, M.
    University of Tartu.
    Holmgren, Noel
    University of Skövde, School of Life Sciences. University of Skövde, The Systems Biology Research Centre.
    Norrström, Niclas
    University of Skövde, School of Life Sciences. University of Skövde, The Systems Biology Research Centre.
    Kuikka, S.
    University of Helsinki.
    Central Baltic Sea herring: effect of environmental trends and fishery management2011In: Ecosystems and Sustainable Development VIII / [ed] Y. Villacampa & C. A. Brebbia, Southampton: WIT Press, 2011, 69-80 p.Conference paper (Refereed)
    Abstract [en]

    Uncertainty is an endemic condition of the Baltic Sea herring (Clupea harengus membras, L) fishery management. It is a condition exacerbated by the fishing fleet overcapacity and consequent exploitation of the herring stock at a level believed to be unsustainable. Some sources of uncertainty are mainly related to biology and fishing technique: the unsolved problem of herring assessment and management units, the recruitment–environment relationship and the reduction in mean weights-at-age, uncertain ageing of fish, the problem of unaccounted fishing mortality caused by the fish selection through the trawl net. Fishing fleet overcapacity is believed to be behind of the regulatory overfishing when setting the Total Allowable Catches (TACs) higher than the scientific advice (decision overfishing) and tolerating the extensive underreporting of catches (implementation overfishing). Two scenarios for the Central Baltic Sea herring fishery management options are constructed and the Bayesian networks are used to represent and update uncertainties encountered in the process of the management related situation assessment. First scenario represents the current status of the fishery management resulting in fishing mortality (F) higher than FMSY – the fishing mortality that corresponds to the Maximum Sustainable Yield (MSY). The second scenario demonstrates the assumed potential impact of economic incentives (e.g.zoning, individual transferable quotas (ITQs), territorial use rights etc.) on the reduction of excessive fishing capacity and bringing actual fishing mortality closer to FMSY.

  • 4.
    Bergenius, Mikaela
    et al.
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Marine Research, Lysekil, Sweden.
    Boje, Jesper
    The National Institute of Aquatic Resources Section for Fisheries Advice, Charlottenlund, Denmark.
    Casini, Michele
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Marine Research, Lysekil, Sweden.
    Degel, Henrik
    The National Institute of Aquatic Resources Section for Fisheries Advice, Charlottenlund, Denmark.
    Eero, Margit
    The National Institute of Aquatic Resources Section for Management Systems, Charlottenlund, Denmark.
    Florin, Ann-Britt
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Coastal Research, Öregrund, Sweden.
    Gasyukov, Pavel
    AtlantNIRO, Kaliningrad, Russian Federation.
    Grygiel, Wlodzimierz
    Sea Fisheries Institute, Gdynia, Poland.
    Gröhsler, Tomas
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Rostock, Germany.
    Hjelm, Joakim
    Swedish University of Agricultural Sciences, Institute of Marine Research, Sweden.
    Horbowy, Jan
    Sea Fisheries Institute, Gdynia, Poland.
    Holmgren, Noél
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Norrström, Niclas
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Kaljuste, Olavi
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Coastal Research, Öregrund, Sweden.
    Karpushevskiy, Igor
    AtlantNIRO, Kaliningrad, Russian Federation.
    Karpushevskaia, Anastasiia
    AtlantNIRO, Kaliningrad, Russian Federation.
    Kornilovs, Georgs
    Latvian Fish Resources Agency, Riga, Latvia.
    Krumme, Uwe
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Rostock, Germany.
    Luzenczyk, Anna
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Lövgren, Johan
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Marine Research, Lysekil, Sweden.
    Pönni, Jukka
    Finnish Game and Fisheries Research, Institute Kotka Unit, Kotka, Finland.
    Oeberst, Rainer
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Rostock, Germany.
    Raid, Tiit
    Estonian Marine Institute, University of Tartu, Tallinn, Estonia.
    Raitaniemi, Jari
    Finnish Game and Fisheries Research Institute Turku Game and Fisheries Research, Turku, Finland.
    Statkus, Romas
    Division of fishery research and science, Fishery service under Ministry of Agriculture, Klaipeda, Lithuania.
    Stoetera, Sven
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Rostock, Germany.
    Storr-Paulsen, Marie
    DTU Aqua - National Institute of Aquatic Resources Section for Fisheries Advice, Charlottenlund, Denmark.
    Ustups, Didzis
    Institute of Food Safety, Animal Health and Environment (BIOR), Fish Resources Research Department, Riga, Latvia.
    Walther, Yvonne
    Swedish University of Agricultural Sciences, Institute of Marine Research, Karlskrona, Sweden.
    Report of the Baltic Fisheries Assessment Working Group (WGBFAS): 14-21 April 2015, ICES HQ, Copenhagen, Denmark2015Report (Refereed)
    Abstract [en]

    The ICES Baltic Fisheries Assessment Working Group (WGBFAS) met 14-21 April 2015 (Chair: Mare Storr-Paulsen, Denmark), with 28 participants and 9 countries represented. The objective of WGBFAS was to assess the status of the following stocks:

    1 ) Sole in Division IIIa, SDs 20-22

    2 ) Cod in Kattegat, Cod in SD 22-24, Cod in SD 25-32

    3 ) Herring in SD 25-27, 28.2, 29 and 32, Herring in SD 28.1 (Gulf of Riga), Herring in SD 30, Herring SD 31.

    4 ) Sprat in SD 22-32

    5 ) Plaice 21-23, Plaice 2425

    6 ) Flounder 22-23; 24-25; 26+28 and 27+29-32, Brill 2232, Dab 2232, and Turbot 2232 (survey trends)

    WGBFAS also identified the data needed, for next year’s data call with some suggestions for improvements in the data call as well as in InterCatch. The report contains an introduction with the summary of other WGs relevant for the WGBFAS, country specific fishery description, the methods used, and ecosystem considerations. The results of the analytical stock assessment or survey trends for the species listed above are then presented with all the stocks with the same species in the same sections. The report ends with references, list of Working Documents, recommendations and Stock Annexes. In first quarter 2015 the Baltic cod stocks and the plaice stocks were benchmarked. As a result the Baltic cod stocks now have to apply a splitting key in SD 24 were both stocks are present. This has changed the assessment from being an area based assessment to now being a stock based assessments and has implications for the advice. The principle analytical models used for the stock assessments were XSA and SAM. For most flatfishes, CPUE trends from bottom trawl surveys were presented (except plaice 2425 and her31 using relative SSB from SAM and XSA, respectively). Ecosystem changes have been analytically considered in the following stock assessments: Herring in SD 25-27, 28.2, 29 and 32, and Sprat in SD 22-32, in form of cod predation mortality. Last year a very large retrospective pattern in the Eastern Baltic cod stock caused that the WG rejected the analytic assessment. Several uncertainties in the data lead to this conclusion i.a age reading problems with large inconsistency between and within nations as well as a change in growth and natural mortality. However, even though a data compilation workshop and a benchmark have been conducted in the intermediate time it was not possible to solve the main issue on growth. The lack of knowledge on growth caused to that even the length based data required in the data call was very uncertain for the models and in the end the WG was not able to produce a better model than was presented last year which is based on survey trends. The Her-30 (Herring in the Botnian Sea) was by the working group down scaled from a category 1 stock to a category 3 stock due to the commercial tuning fleet used in the assessment having very uncertain estimates in the last couples of years. However, during the Baltic ADG an alternative assessment was suggested were the stock is still considered a category 1 stock but the last 8 years of the commercial tuning fleet was terminated. This assessment was conducted after the working group but has been included in the report.

  • 5.
    Bergenius, Mikaela
    et al.
    Swedish University of Agricultural Sciences.
    Cadigan, Noel
    Memorial University of Newfoundland, Canada.
    Gröhsler, Tomas
    Johann-Heinrich von Thünen-Institute, Germany .
    Holmgren, Noél
    University of Skövde, School of Life Sciences. University of Skövde, The Systems Biology Research Centre.
    Morgado, Cristina
    International Council for the Exploration of the Sea, Denmark.
    Pönni, Jukka
    Finnish Game and Fisheries Research Institute, Finland.
    Raitaniemi, Jari
    Finnish Game and Fisheries Research Institute, Finland.
    Storr-Paulsen, Marie
    DTU Aqua - National Institute of Aquatic Resources, Denmark.
    Trenkel, Verena
    Ifremer Nantes Centre, France.
    Report of the Inter-Benchmark Protocol for Herring in Subdivision 30 (IBP Her30): 11–15 March 2013, By correspondence2013Report (Refereed)
    Abstract [en]

    The Inter-Benchmark Protocol for Herring in Subdivision 30 (IBP-Her30) worked by correspondence  between  February  28  and  March  28  2013. Verena Trenkel  (France) served as Chair with invited expert Noel Cadigan (Canada). There were six participants. The objectives of the groups were to review the work carried out in response to the benchmark working group WKPELA in 2012.

  • 6.
    Bergström, Lena
    et al.
    Swedish Univeristy of Agricultural Sciences, Department of Aquatic Resources, Öregrund, Sweden.
    Blenckner, Thorsten
    Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden.
    Grimvall, Anders
    Swedish Institute for the Marine Environment, Gothenburg, Sweden.
    Gårdmark, Anna
    Swedish Univeristy of Agricultural Sciences, Department of Aquatic Resources, Öregrund, Sweden.
    Hamrén, Henrik
    Baltic Sea Centre, Stockholm University, Stockholm, Sweden.
    Holmgren, Noél
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Jacob, Ute
    University of Hamburg, Institute of Hydrobiology and Fishery Science, Hamburg, Germany.
    Kininmonth, Stuart
    Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden.
    Large, Scott
    ICES, Copenhagen, Denmark.
    Levin, Phil
    Northwest Fisheries Science Center, Seattle, USA.
    Lehikoinen, Annukka
    Helsinki University, Kotka Maritime Research Centre, Kotka, Finland.
    Llope, Marcos
    Instituto Español de Oceanografía, Centro Oceanográfico de Cádiz, Spain.
    Luzenczyk, Anna
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Müller-Karulis, Bärbel
    Baltic Sea Centre, Stockholm university, Stockholm, Sweden.
    Möllmann, Christian
    University of Hamburg, Institute of Hydrobiology and Fishery Science, Hamburg, Germany.
    Neuenfeldt, Stefan
    DTU Aqua, Charlottenlund, Denmark.
    Norrström, Niclas
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Olsson, Jens
    Swedish Univeristy of Agricultural Sciences, Department of Aquatic Resources, Öregrund, Sweden.
    Otto, Saskia
    University of Hamburg, Institute of Hydrobiology and Fishery Science, Hamburg, Germany.
    Pekcan-Hekim, Zeynep
    Swedish Univeristy of Agricultural Sciences, Department of Aquatic Resources, Öregrund, Sweden.
    Rau, Andrea
    Thuenen-Institute of Baltic Sea Fisheries, Rostock, Germany.
    Reid, David
    Marine Institute, Rinville, Galway, Ireland.
    Tomczak, Maciej, T.
    Baltic Sea Centre, Stockholm university, Stockholm, Sweden.
    Torres, Marian
    Swedish Univeristy of Agricultural Sciences, Department of Aquatic Resources, Öregrund, Sweden.
    Ustups, Didzis
    Institute of Food safety, Animal Health and Environment, Riga, Latvia.
    Uusitalo, Laura
    Finnish Environment Institute, Marine Research Centre, Helsinki, Finland.
    Wesslander, Karin
    Swedish Meteorological and Hydrological Institute, Marine Environment, Västra Frölunda, Sweden.
    Report of the ICES/HELCOM Working Group on Integrated Assessments of the Baltic Sea (WGIAB)2015Report (Other academic)
    Abstract [en]

    The ICES/HELCOM Working Group on Integrated Assessments of the Baltic Sea(WGIAB) was established in 2007 as a forum for developing and combining ecosystembasedmanagement efforts for the Baltic Sea. The group intends to serve as a scientificcounterpart and support for the ICES Baltic Fisheries Assessment Working Group(WGBFAS) as well as for efforts and projects related to Integrated Ecosystem Assessments(IEA) within ICES and HELCOM. The group works in cooperation with similargroups within the ACOM/SCICOM Steering Group on Integrated Ecosystem Assessments(SSGIEA).The 2015 WGIAB meeting was held in Cádiz, Spain, from 9–13 March, back-to-backwith the meeting of its counterpart in the Working Group on Ecosystem Assessmentof Western European Shelf Seas (WGEAWESS). The meetings had joint sessions as wellas WG specific work, and some participants effectively participated in both meetings.The WGIAB meeting was attended by 27 participants from nine countries. The meetingwas chaired by Christian Möllmann, Germany, Laura Uusitalo, Finland and Lena Bergström,Sweden.This was the last year of the ongoing three-year Terms of Reference (ToR) for WGIAB.The main working activities in 2015 were to i) conduct studies on Baltic Sea ecosystemfunctioning with the goal to publish case studies from different parts of the Baltic Seain peer-reviewed journals, ii) work on the demonstration exercise to develop ecosystem-based assessment and advice for Baltic fish stocks focusing on cod (DEMO) withmultiple approaches, iii) plan further how to integrate the social and economic aspectsmore tightly in the WGIAB work, and iv) discuss the future focus and format of theWGIAB work.The Baltic ecosystem functioning activity focused on identifying and exploring keytrends and linkages in the Baltic Sea foodweb. This was pursued by presentation andfurther discussion of ongoing intersessional work on foodweb modelling and integratedanalyses, and by exercises to develop conceptual models Baltic Sea foodwebsand the links to ecosystem function. Long-term monitoring datasets on the abiotic andbiotic parts of the Baltic Sea Proper ecosystem were updated for use in the continuedwork to develop environmental indicators for fisheries and marine management.The focus of the DEMO 3 (DEMOnstration exercise for Integrated Ecosystem Assessmentand Advice of Baltic Sea cod) was on finding a way to use the results from theDEMO1 and DEMO2 workshops in short and midterm projections/scenarios of Balticcod dynamics based on different types of modelling, as well as designing methodologyand modelling data for practical implementation of Integrated Advice for Baltic cod.The WGIAB was positively inclined towards including social and economic aspectsinto the integrated assessment. Openings to this path were provided by presentationon ongoing project work, and discussing their linkages to ecological aspects. It wasseen as crucial that experts on social and economic analysis should be included andtake an active part in the future work of the group.The group concluded that its upcoming work should focus more closely on functionaldiversity, which was identified as a recurring issue in the Baltic Sea. This approach wasalso identified as a useful connection point between scientific and management aspectsin order for the group to continue serving as a forum for developing ecosystem-basedmanagement efforts in the Baltic Sea. A focus on functional diversity was also seen as2 | ICES WGIAB REPORT 2015a potentially feasible way of bringing together management aspects for different sectors,by linking to ecosystem services concepts.The group proposed Saskia Otto, Germany and Martin Lindegren, Denmark as newincoming Chairs, together with Lena Bergström, Sweden and Laura Uusitalo, Finland.Having four Chairs is justified due to the wide scope of the group's work, as well asthe increased work load due to the planned new foci.

  • 7.
    Eero, Margit
    et al.
    National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark.
    Hjelm, Joakim
    Department of Aquatic Resources, Institute of Marine Research, Swedish University of Agricultural Sciences, Lysekil, Sweden.
    Behrens, Jane
    National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark.
    Buchmann, Kurt
    Department of Veterinary Disease Biology, University of Copenhagen, Copenhagen, Denmark.
    Cardinale, Massimiliano
    Department of Aquatic Resources, Institute of Marine Research, Swedish University of Agricultural Sciences, Lysekil, Sweden.
    Casini, Michele
    Department of Aquatic Resources, Institute of Marine Research, Swedish University of Agricultural Sciences, Lysekil, Sweden.
    Gasyukov, Pavel
    AtlantNIRO, Kaliningrad, Russian Federation.
    Holmgren, Noél
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Horbowy, Jan
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Hüssy, Karin
    National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark.
    Kirkegaard, Eskil
    International Council for the Exploration of the Sea (ICES), Copenhagen, Denmark.
    Kornilovs, Georgs
    Institute of Food Safety, Animal Health and Environment “BIOR”, Riga, Latvia.
    Krumme, Uwe
    Thünen Institute of Baltic Sea Fisheries, Rostock, Germany.
    Köster, Friedrich W.
    National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark.
    Oeberst, Rainer
    Thünen Institute of Baltic Sea Fisheries, Rostock, Germany.
    Plikshs, Maris
    Institute of Food Safety, Animal Health and Environment “BIOR”, Riga, Latvia.
    Radtke, Krzysztof
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Raid, Tiit
    Estonian Marine Institute, University of Tartu, Tallinn, Estonia.
    Schmidt, Jörn
    Department of Economics, Christian-Albrechts University of Kiel, Kiel, Germany.
    Tomczak, Maciej T.
    Stockholm University, Baltic Sea Centre, Stockholm, Sweden.
    Vinther, Morten
    National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark.
    Zimmermann, Christopher
    Thünen Institute of Baltic Sea Fisheries, Rostock, Germany.
    Storr-Paulsen, Marie
    National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark.
    Eastern Baltic cod in distress: biological changes and challenges for stock assessment2015In: ICES Journal of Marine Science, ISSN 1054-3139, E-ISSN 1095-9289, Vol. 72, no 8, 2180-2186 p.Article in journal (Refereed)
    Abstract [en]

    The eastern Baltic (EB) cod (Gadus morhua) stock was depleted and overexploited for decades until the mid-2000s, when fishing mortality rapidlydeclined and biomass started to increase, as shown by stock assessments. These positive developments were partly assigned to effective managementmeasures, and the EB cod was considered one of the most successful stock recoveries in recent times. In contrast to this optimistic view, theanalytical stock assessment failed in 2014, leaving the present stock status unclear. Deteriorated quality of some basic input data for stock assessmentin combination with changes in environmental and ecological conditions has led to an unusual situation for cod in the Baltic Sea, which posesnew challenges for stock assessment and management advice.Anumber of adverse developments such as low nutritional condition and disappearanceof larger individuals indicate that the stock is in distress. In this study, we (i) summarize the knowledge of recent changes in cod biology andecosystem conditions, (ii) describe the subsequent challenges for stock assessment, and (iii) highlight the key questions where answers are urgentlyneeded to understand the present stock status and provide scientifically solid support for cod management in the Baltic Sea.

  • 8.
    Holmgren, Noél M. A.
    et al.
    University of Skövde, School of Life Sciences. University of Skövde, The Systems Biology Research Centre.
    Norrström, Niclas
    University of Skövde, School of Life Sciences. University of Skövde, The Systems Biology Research Centre.
    Aps, Robert
    University of Tartu, Estonian Marine Institute, Tallin, Estonia.
    Kuikka, Sakari
    Fisheries and Environmental Management Group, Department of Environmental Sciences, University of Helsinki, Finland.
    MSY-orientated management of Baltic Sea herring (Clupea harengus) during different ecosystem regimes2012In: ICES Journal of Marine Science, ISSN 1054-3139, E-ISSN 1095-9289, Vol. 69, no 2, 257-266 p.Article in journal (Refereed)
    Abstract [en]

    The Baltic Sea ecosystem has undergone dramatic changes, so-called ecosystem regime shifts, during the past four decades. Baltic Sea herring (Clupea harengus) spawning-stock biomass has declined to a third, and weight-at-age has halved as a result of food shortages and competition with sprat (Sprattus sprattus). The management objective for the herring stock is currently in transition from precautionary to maximum sustainable yield (MSY). The main basin Baltic Sea herring was modelled under the current ecosystem regime and the effect of a recovery of the cod (Gadus morhua) stock and the availability of planktonic food to levels found in the early 1980s analysed. A target of F-MSY = 0.16 for herring, which should decline to F-MSY = 0.10 with recovery of the cod stock, is proposed. An increase in the availability of planktonic food is estimated to more than double the yield at F-MSY = 0.27, overriding the negative effects of cod predation should there be a simultaneous increase in both cod and availability of planktonic food. The estimated net increase in yield is 40% at F-MSY = 0.20. Functions are presented to calculate FMSY and to estimate the expected yield depending on the abundance of cod and food availability. Retrospective application of the functions is indicative of overfishing of herring in the 1990s and early 2000s, and a net loss in yield, with a landing value of some E440 million.

  • 9.
    Howell, Daniel
    et al.
    Institute of Marine Research, Nordnes, Norway.
    Mackinson, Steve
    CEFAS, United Kingdom.
    Kempf, Alexander
    Thuenen Institute of Sea Fisheries, Hamburg, Germany.
    Rindorf, Anna
    DTU-Aqua, Charlottenlund, Denmark.
    Belgrano, Andrea
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Marine Research, Lysekil, Sweden / Swedish Institute for the Marine Environment (SIME), Göteborg, Sweden.
    Thorpe, Robert
    Centre for Environment, Fisheries and Aquaculture Science (CEFAS), United Kingdom.
    Vinther, Morten
    DTU-Aqua, Charlottenlund, Denmark.
    Bartolino, Valerio
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Marine Research, Lysekil, Sweden.
    Pope, John
    NRC (Europe) Ltd.
    Rodriguez, Alfonso Perez
    Institute of Marine Research, Nordnes, Norway.
    Garcia, Clement
    Centre for Environment, Fisheries and Aquaculture Science (CEFAS), United Kingdom.
    Lehuta, Sigrid
    French Institut of Research for the Exploitation of the Sea (Ifremer), Nantes, France .
    Kaplan, Isaac
    NOAA Northwest Fisheries Science Center, Seattle, USA.
    Gaichas, Sarah
    NOAA Northeast Fisheries Science Center, Woods Hole, USA.
    Kiersten, Curti
    NOAA National Marine Fisheries Service, Northeast Fisheries Science Center, Woods Hole, USA.
    Lucey, Sean
    Dept. of Commerce/NOAA/NMFS Northeast Fisheries Science Center, Woods Hole, USA.
    Gamble, Robert
    NOAA Northeast Fisheries Science Center, Woods Hole, USA.
    Cole, Harriet
    Marine Lab, Marine Scotland Science, Aberdeen, United Kingdom.
    Lindstrom, Ulf
    Instittute of Marine Research, Tromsø, Norway.
    Holmgren, Noel
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Villanueva, Ching
    French Institut of Research for the Exploitation of the Sea (Ifremer), Plouzané, France.
    Poos, Jan Jaap
    IMARES, IJmuiden, The Netherlands.
    Report of the Working Group on Multispecies Assessment Methods (WGSAM), 9–13 November 2015, Woods Hole, USA2016Report (Other academic)
    Abstract [en]

    Three meetings were held between 2013 and 2015 (Stockholm, London and Woods Hole), with progress being made on all the Terms of Reference. WGSAM has been making significant contributions required to enable ICES to develop its capability to give advice on the ecosystem impacts of fishing and climate change. This is a priority area identified in the ICES strategic plan and is consistent with scientific needs to support implementation of the Common Fisheries Policy and Marine Strategy Framework Directive. This final report summarises the key progress made against each ToR. A particularly important area established during this period has been the discussions that have led to guidelines on quality assurance of ecosystem models in-tended for advice giving. WGSAM prepared a specific briefing on this issue and con-tinues to work on issues related to model review processes, model validation and developing methods for generating advice from multi-model ensembles. These are all important areas of work in the evolution toward giving integrated, ecosystem-based advice to ICES clients. We recommend that ICES supports continuation of WGSAM new ToRs and considers more specifically how to support WGSAM in developing advice relevant products.

  • 10.
    Karpushevskaia, Anastasiia
    et al.
    AtlantNIRO, Kaliningrad, Russian Federation.
    Nielsen, Anders
    DTU Aqua - National Institute of Aquatic Resources, Charlottenlund, Denmark.
    Mikhaylov, Andrey
    Atlantic Research Institute of Fisheries and Oceanography (AtlantNIRO), Moscow, Russian Federation.
    Luzenczyk, Anna
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Florin, Ann-Britt
    Swedish University of Agricultural Sciences Institute of Coastal Research, Öregrund, Sweden.
    Albert, Anu
    Estonian Marine Institute, University of Tartu, Tartu, Estonia.
    Berg, Casper Willestofte
    DTU Aqua National Institute of Aquatic Resources, Section for Fisheries Advice, Charlottenlund, Denmark.
    Ustups, Didzis
    Institute of Food Safety Animal Health and Environment (BIOR), Fish Resources Research Department, Riga, Latvia.
    Svecovs, Fausts
    Institute of Food Safety Animal Health and Environment (BIOR), Fish Resources Research Department, Riga, Latvia.
    Bastardie, François
    DTU Aqua, National Institute of Aquatic Resources, Charlottenlund, Denmark.
    Kornilovs, Georgs
    Institute of Food Safety Animal Health and Environment (BIOR), Fish Resources Research Department, Riga, Latvia.
    Strods, Guntars
    Institute of Food Safety Animal Health and Environment (BIOR), Fish Resources Research Department, Riga, Latvia.
    Strehlow, Harry Vincent
    Thünen Institute, Baltic Sea Fisheries, Rostock, Germany.
    Degel, Henrik
    DTU Aqua, National Institute of Aquatic Resources, Section for Monitoring and Data, Charlottenlund, Denmark.
    Karpushevskiy, Igor
    AtlantNIRO, Kaliningrad, Russian Federation.
    Sics, Ivo
    Institute of Food Safety Animal Health and Environment (BIOR), Fish Resources Research Department, Riga, Latvia.
    Horbowy, Jan
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Raitaniemi, Jari
    Natural Resources Institute Finland, Turku, Finland.
    Boje, Jesper
    DTU Aqua, Arctic Section, Charlottenlund, Denmark.
    Hjelm, Joakim
    Swedish University of Agricultural Sciences, Institute of Marine Research, Lysekil, Sweden.
    Lövgren, Johan
    Swedish University of Agricultural Sciences, Institute of Marine Research, Lysekil, Sweden.
    Pönni, Jukka
    Natural Resources Institute Finland, Natural resources and bioproduction, Helsinki, Finland.
    Hommik, Kristiina
    Estonian Marine Institute, University of Tartu, Tartu, Estonia.
    Öhman, Kristin
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Lysekil, Sweden.
    Radtke, Krzysztof
    National Marine Fisheries, Research Institute, Gdynia, Poland.
    Eero, Margit
    DTU Aqua, National Institute of Aquatic Resources, Charlottenlund, Denmark.
    Storr-Paulsen, Marie
    DTU Aqua, National Institute of Aquatic Resources, Section for Fisheries Advice, Charlottenlund, Denmark.
    Plikshs, Maris
    Institute of Food Safety Animal Health and Environment (BIOR), Riga, Latvia.
    Pedersen, Martin Wæver
    DTU Aqua, National Institute of Aquatic Resources, Charlottenlund, Denmark.
    Casini, Michele
    Swedish University of Agricultural Sciences, Institute of Marine Research, Lysekil, Sweden.
    Bergenius, Mikaela
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Lysekil, Sweden.
    Holmgren, Noél
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Kaljuste, Olavi
    Swedish University of Agricultural Sciences, Institute of Coastal Research, Öregrund, Sweden.
    Afanasyev, Pavel
    Atlantic Research Institute of Fisheries and Oceanography (AtlantNIRO), Moscow, Russian Federation.
    Gasyukov, Pavel
    AtlantNIRO, Kaliningrad, Russian Federation.
    Jounela, Pekka
    Natural Resources Institute Finland, Statistical methods, Turku Finland.
    Oeberst, Rainer
    Thünen Institute, Baltic Sea Fisheries, Rostock, Germany.
    Statkus, Romas
    Fisheries Service under the Ministry of Agriculture, Division of Fisheries Research and Science, Klaipeda, Lithuania.
    Carlshamre, Sofia
    Swedish University of Agricultural Sciences, Institute of Marine Research, Lysekil, Sweden.
    Jonusas, Stanislovas
    European Commission Directorate for Maritime Affairs and Fisheries, Brussels, Belgium.
    Neuenfeldt, Stefan
    DTU Aqua, National Institute of Aquatic Resources, Section for Fisheries Advice Population Ecology and Genetics, Charlottenlund, Denmark.
    Stoetera, Sven
    Thünen Institute Baltic Sea Fisheries, Rostock, Germany.
    Smolinski, Szymon
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Raid, Tiit
    Estonian Marine Institute University of Tartu, Tallinn, Estonia.
    Arula, Timo
    Estonian Marine Institute, University of Tartu, Dept. of Ecodynamics, Lootsiza, Estonia.
    Gröhsler, Tomas
    Thünen Institute Baltic Sea Fisheries, Rostock, Germany.
    Zolubas, Tomas
    Fisheries Service under the Ministry of Agriculture, Vilnius, Lithuania.
    Krumme, Uwe
    Thünen Institute Baltic Sea Fisheries, Rostock, Germany.
    Amosova, Viktoriia
    AtlantNIRO, Kaliningrad, Russian Federation.
    Grygiel, Wlodzimierz
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Pekcan-Hekim, Zeynep
    Swedish University of Agricultural Sciences, Institute of Coastal Research, Öregrund, Sweden.
    Mirny, Zuzanna
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Report of the Baltic Fisheries Assessment Working Group (WGBFAS), 12-19 April 2016, ICES HQ, Copenhagen, Denmark2016Report (Refereed)
  • 11.
    Orio, Alessandro
    et al.
    SLU, Sweden.
    Nielsen, Anders
    DTU Aqua, Denmark.
    Luzenczyk, Anna
    Morski Instytut Rybacki, Poland.
    Berg, Casper
    DTU Aqua, Denmark.
    Ustups, Didzis
    BIOR, Latvia.
    Artemenkov, Dmitriy
    Russian Federal Research Institute of Fisheries and Oceanography, Russia.
    Schade, Franziska
    Thünen-Institut, Germany.
    Kornilovs, Georgs
    BIOR, Latvia.
    Degel, Henrik
    DTU Aqua, Denmark.
    Strehlow, Harry
    Thünen-Institut, Germany.
    Karpushevskiy, Igor
    AtlantNIRO, Russia.
    Horbowy, Jan
    Morski Instytut Rybacki, Poland.
    Raitaniemi, Jari
    Luke Natural Resources Institute, Finland.
    Boje, Jesper
    DTU Aqua, Denmark.
    Hjelm, Joakim
    SLU, Sweden.
    Lövgren, Johan
    SLU, Sweden.
    Pönni, Jukka
    Luke Natural Resources Institute, Finland.
    Hommik, Kristiina
    Öhman, Kristin
    SLU, Sweden.
    Eero, Margit
    DTU Aqua, Denmark.
    Storr-Paulsen, Marie
    DTU Aqua, Denmark.
    Plikshs, Maris
    BIOR, Latvia.
    Casini, Michele
    SLU, Sweden.
    Bergenius, Mikaela
    SLU, Sweden.
    Mosegaard, Henrik
    Holmgren, Noel
    SLU, Sweden.
    Norrström, Niclas
    University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre.
    Kaljuste, Olavi
    SLU, Sweden.
    Jounela, Pekka
    Luke Natural Resources Institute, Finland.
    Statkus, Romas
    Lithuania.
    Jonusas, Stanislovas
    European Commission.
    Neuenfeldt, Stefan
    DTU Aqua, Denmark.
    Stoetera, Sven
    Thünen-Institut, Germany.
    Raid, Tiit
    University of Tartu, Estonia.
    Mildenberger, Tobias
    DTU Aqua, Denmark.
    Gröhsler, Tomas
    Thünen-Institut, Germany.
    Krumme, Uwe
    Thünen-Institut, Germany.
    Amosova, Viktoriia
    AtlantNIRO, Russia.
    Grygiel, Wlodzimierz
    Morski Instytut Rybacki, Poland.
    Pekcan-Hekim, Zeynep
    SLU, Sweden.
    Mirny, Zuzanna
    Morski Instytut Rybacki, Poland.
    Report of the Baltic Fisheries AssessmentWorking Group (WGBFAS): 19-26 April 2017, Copenhagen, Denmark2017Report (Other academic)
    Abstract [en]

    The ICES Baltic Fisheries Assessment Working Group (WGBFAS) met 19-26 April 2017(Chair: Tomas Gröhsler, Germany and Co-chair: Michele Casini, Sweden), with 41 participants and 9 countries represented. The objective of WGBFAS was to assess the status of the following stocks: Sole in Division 3.a, SDs 20–24; Cod in Kattegat, Cod in SDs 22–24, Cod in SDs 25–32; Herring in SDs 25–27, 28.2, 29 and 32, Herring in SD 28.1 (Gulf of Riga), Herring in SDs 30-31 (Gulf of Bothnia); Sprat in SDs 22–32; Plaice in SDs 21–23, Plaice in SDs 24–25; Flounder in SDs 22–23, in SDs 24–25, in SDs 26+28 and SDs 27+29–32; Brill in SDs 22–32, Dab in SDs 22–32 and Turbot in SDs 22–32. WGBFAS also identified the data needed for next year’s data call with some suggestions for improvements in the data call, and stock-specific research needs.The report contains an introduction with the summary of other WGs relevant for the WGBFAS, the methods used, and ecosystem considerations. The results of the analytical stock assessment or survey trends for the species listed above are then presented with all the stocks with the same species in the same sections. The report ends with references, recommendations, links to Stock Annexes and list of Working Documents.The principle analytical models used for the stock assessments were XSA and SAM. For most flatfishes and cod in SDs 25–32 (data limited stocks), CPUE trends from bottomtrawl surveys were used in the assessment (except plaice in SDs 24–25 for which relative SSB from SAM was used). For the data limited stocks, reference points based on length-based indicators were estimated (except cod in SDs 25-32 for which relative reference points were estimated using the SPiCT model). For cod in SDs 25–32, intersessional work was planned to hopefully allow returning to an analytical stock assessment in the near future. Ecosystem changes have been analytically considered in the following stock assessments: Herring in SD 25–27, 28.2, 29 and 32, and Sprat in SD 22–32, in form of cod predation mortality.

  • 12.
    Storr-Paulsen, Marie
    et al.
    DTU Aqua - National Institute of Aquatic Resources Section for Fisheries Advice, Denmark.
    Anu, Albert
    Department of fish biology and fisheries, Estonian Marine Institute, University of Tartu.
    Arula, Timo
    University of Tartu, Estonian Marine Institute, Dept. of Ecodynamics.
    Boje, Jesper
    The National Institute of Aquatic Resources Section for Fisheries Advice, Denmark.
    Casini, Michele
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Marine Research, Lysekil.
    Degel, Henrik
    The National Institute of Aquatic Resources Section for Fisheries Advice, Denmark.
    Eero, Margit
    The National Institute of Aquatic Resources Section for Management Systems, Denmark.
    Gasyukov, Pavel
    AtlantNIRO, Kaliningrad, Russian Federation.
    Gröhsler, Tomas
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Rostock, Germany.
    Hjelm, Joakim
    Swedish University of Agricultural Sciences Institute of Marine Research, Lysekil.
    Horbowy, Jan
    Sea Fisheries Institute in Gdynia, Poland.
    Holmgren, Noél
    University of Skövde, The Systems Biology Research Centre. University of Skövde, School of Bioscience.
    Jonusas, Stanislovas
    European Commission Directorate for Maritime Affairs and Fisheries, Brussels, Belgium.
    Kaljuste, Olavi
    Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Coastal Research, Öregrund.
    Karpushevskaia, Anastasiia
    AtlantNIRO, Kaliningrad, Russian Federation.
    Karpushevskiyi, Igor
    AtlantNIRO, Kaliningrad, Russian Federation.
    Kornilovs, Georgs
    Latvian Fish Resources Agency, Riga.
    Krumme, Uwe
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Rostock, Germany.
    Luzenczyk, Anna
    National Marine Fisheries Research Institute, Gdynia, Poland.
    Lövgren, Johan
    Swedish University of Agricultural Sciences Institute of Marine Research, Lysekil.
    Mikhaylov, Andrey
    Russian Federal Research Institute of Fisheries & Oceanography (VNIRO), Moscow.
    Norrström, Niclas
    University of Skövde, The Systems Biology Research Centre. University of Skövde, School of Bioscience.
    Oeberst, Rainer
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Rostock, Germany.
    Pönni, Jukka
    Finnish Game and Fisheries Research Institute Kotka Unit.
    Raid, Tiit
    Estonian Marine Institute, University of Tartu, Tallinn.
    Raitaniemi, Jari
    Finnish Game and Fisheries Research Institute Turku.
    Statkus, Romas
    Division of fishery research and science, Fishery service under Ministry of Agriculture, Klaipeda, Lithuania.
    Stoetera, Sven
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Rostock, Germany.
    Strehlow, Harry Vincent
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Rostock, Germany.
    Ustups, Didzis
    Institute of Food Safety, Animal Health and Environment (BIOR), Fish Resources Research Department, Riga, Latvia.
    Walther, Yvonne
    Swedish University of Agricultural Sciences Institute of Marine Research, Karlskrona.
    Report of the Baltic Fisheries Assessment Working Group (WGBFAS), 3-10 April 2014, ICES HQ, Copenhagen, Denmark2014Report (Refereed)
  • 13.
    Storr-Paulsen, Marie
    et al.
    DTU Aqua - National Institute of Aquatic Resources, Denmark.
    Arula, Timo
    University of Tartu, Estonia.
    Bergenius, Mikaela
    Swedish University of Agricultural Sciences, Sweden.
    Boje, Jesper
    The National Institute of Aquatic Resources, Denmark.
    Casini, Michele
    Swedish University of Agricultural Sciences, Sweden.
    Degel, Henrik
    The National Institute of Aquatic Resources, Denmark.
    Eero, Margit
    The National Institute of Aquatic Resources, Denmark.
    Gasyukov, Pavel
    AtlantNIRO, Kaliningrad, Russian Federation.
    Gröhsler, Tomas
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Germany.
    Hjelm, Joakim
    Swedish University of Agricultural Sciences, Sweden.
    Horbowy, Jan
    Sea Fisheries Institute in Gdynia, Poland.
    Holmgren, Noél
    University of Skövde, School of Life Sciences. University of Skövde, The Systems Biology Research Centre.
    Jonusas, Stanislovas
    European Commission Directorate for Maritime Affairs and Fisheries, Belgium.
    Kaljuste, Olavi
    Swedish University of Agricultural Sciences, Sweden.
    Karpushevskaia, Anastasiia
    AtlantNIRO, Kaliningrad, Russian Federation.
    Karpushevskiy, Igor
    AtlantNIRO, Kaliningrad, Russian Federation.
    Kornilovs, Georgs
    Latvian Fish Resources Agency, Riga.
    Krumme, Uwe
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Germany.
    Luzenczyk, Anna
    National Marine Fisheries Research Institute, Poland.
    Lövgren, Johan
    Swedish University of Agricultural Sciences, Sweden.
    Mikhaylov, Andrey
    Russian Federal Research Institute of Fisheries & Oceanography (VNIRO), Russian Federation.
    Oeberst, Rainer
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Germany.
    Pönni, Jukka
    Finnish Game and Fisheries Research Institute, Finland.
    Raid, Tiit
    Estonian Marine Institute, University of Tartu, Estonia.
    Raitaniemi, Jari
    Finnish Game and Fisheries Research Institute, Finland.
    Sics, Ivo
    Institute of Food Safety, Animal Health and Environment (BIOR), Latvia.
    Statkus, Romas
    Fishery service under Ministry of Agriculture, Klaipeda, Lithuania.
    Stoetera, Sven
    Thünen Institute of Baltic Sea Fisheries (TI-OF), Germany.
    Ustups, Didzis
    Institute of Food Safety, Animal Health and Environment (BIOR), Latvia.
    Walther, Yvonne
    Swedish University of Agricultural Sciences, Karlskrona.
    Report of the Baltic Fisheries Assessment Working Group (WGBFAS), 10-17 April 2013, ICES Headquarters, Copenhagen2013Report (Refereed)
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