Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Muddying the waters of the landing obligation: how Multi-level governance structures can obscure policy implementation
    Hoof, L.J.W. van; Kraan, M.L. ; Visser, N.M. ; Avoyan, Emma ; Batsleer, J. ; Trapman, B.K. - \ 2019
    In: The European Landing Oligation / Uhlmann, Sven Sebastian, Ulrich, Clara, Kennelly, Steven J., Springer Nature - ISBN 9783030033071 - p. 179 - 196.
    The 2013 reform of the European Common Fisheries Policy (CFP) included an increased drive for regionalisation of the policy implementation and the introduction of the Landing Obligation (LO). The process of implementing the LO takes place at multiple levels of governance within the EU. We use the case of the implementation of the LO in the Netherlands, where policymakers and the fishing industry cooperate towards a workable policy implementation. In this paper, we argue that the EU’s complex and unconsolidated implementation structure hampers a fair and clear implementation process. Three main causes can be distinguished: first, a lack of a shared understanding of the goal of the Landing Obligation within and between the different governance levels that are involved in the implementation process. Second, no meaningful discussions are taking place between concurrent resource users, resource managers and supporters of the LO regarding the need and usefulness of the measure, as there is no arena in the governance system for them to meet. With the introduction of the Regional Advisory Councils in the 2002 CFP reform, a platform for discussion between fishers and NGOs was created, but this platform has only an advisory role and does not include the Member States. Third, the relationship between different decision-making bodies is unclear, as is the manner in which stakeholder input will be included in decision-making about implementing the LO. The result of this implementation process has been a diluted policy where the goal, its execution and its effectiveness remain unclear.
    De bodemberoerende visserij in de Voordelta sinds 2004
    Tien, Nicola ; Hintzen, Niels ; Verkempynck, Ruben ; Kraan, Marloes ; Trapman, Brita ; Craeymeersch, Johan ; Asch, Margriet - \ 2017
    IJmuiden : Wageningen Marine Research (Wageningen Marine Research rapport C105/17) - 106
    Shaping the future of marine socio-ecological systems research: when early-career researchers meet the seniors
    Drakou, Evangelia G. ; Kermagoret, Charlène ; Comte, Adrien ; Trapman, Brita ; Rice, Jake C. - \ 2017
    ICES Journal of Marine Science 74 (2017)7. - ISSN 1054-3139 - p. 1957 - 1964.
    dialogue among research generations - future - governance - interdisciplinary science - marine socio-ecological systems - operational research
    As the environmental issues facing our planet change, scientific efforts need to inform the sustainable management of marine resources by adopting a socio-ecological systems approach. Taking the symposium on “Understanding marine socio-ecological systems: including the human dimension in Integrated Ecosystem Assessments (MSEAS)” as an opportunity we organized a workshop to foster the dialogue between early and advanced-career researchers and explore the conceptual and methodological challenges marine socio-ecological systems research faces. The discussions focused on: a) interdisciplinary research teams versus interdisciplinary scientists; b) idealism versus pragmatism on dealing with data and conceptual gaps; c) publishing interdisciplinary research. Another major discussion point was the speed at which governance regimes and institutional structures are changing and the role of researchers in keeping up with it. Irrespective of generation, training or nationality, all participants agreed on the need for multi-method approaches that encompass different social, political, ecological and institutional settings, account for complexity and communicate uncertainties. A shift is needed in the questions the marine socio-ecological scientific community addresses, which could happen by drawing on lessons learnt and experiences gained. These require in turn a change in education and training, accompanied by a change in research and educational infrastructures.
    The commons tragedy in the North Sea brown shrimp fishery: how horizontal institutional interactions inhibit a self-governance structure
    Steenbergen, Josien ; Trapman, Brita K. ; Steins, Nathalie A. ; Poos, Jan Jaap - \ 2017
    ICES Journal of Marine Science 74 (2017)7. - ISSN 1054-3139 - p. 2004 - 2011.
    brown shrimp fisheries - fisheries management - growth overfishing - institutional analysis - tragedy of the commons
    Self-regulation is now widely regarded as an effective mechanism for collective action aimed at sustainable management of common pool resources. The brown shrimp (Crangon crangon) fishing industry in the Netherlands has been working on the implementation of a self-management strategy since 2007, as part of its ambition to get certified to the Marine Stewardship Council standard. Part of the self-management strategy is the development of a harvest control rule for reducing fishing effort when catches are low. Until recently, these attempts failed. The failure of the initiatives for self-management is examined within Ostrom’s nested framework for understanding institutions for managing resource use. This framework emphasises the importance of strong vertical embeddedness of institutional arrangements for resource (co)management. Our analysis shows that, despite a strong vertical embeddedness, mismatches between different institutional frameworks at the same level (horizontal interaction) affect the performance of self-management at the organizational level. This inhibits the resource users’ collective actions to self-manage their brown shrimp fishery, leading to a potential commons tragedy.
    International stakeholder dialogue on pulse fisheries : report of the second dialogue meeting, Amsterdam, 20 January 2017
    Steins, Nathalie A. ; Smith, Sarah ; Strietman, Wouter Jan ; Kraan, Marloes ; Trapman, B.K. - \ 2017
    IJmuiden : Wageningen Marine Research (Wageningen Marine Research rapport C016/17) - 145
    pulse trawling - fisheries - fishing methods - fishery policy - stakeholders - pulsvisserij - visserij - vismethoden - visserijbeleid - stakeholders
    Gebrek aan eenduidigheid over doel: verschillende percepties, onduidelijke communicatie en complexe besluitvorming over aanlandplicht
    Kraan, Marloes ; Trapman, Brita - \ 2016
    Een camera in je nek doe je niet voor de lol: vier jaar CCTV aan boord van Nederlandse visserijschepen
    Helmond, Edwin van; Trapman, Brita - \ 2016
    Cod monitoring : results 2016, quarter 1
    Trapman, B.K. ; Machiels, M.A.M. - \ 2016
    IJmuiden : Wageningen Marine Research (Wageningen Marine Research rapport C105/16) - 19
    cod - fisheries - monitoring - fish catches - north sea - dutch waters - kabeljauw - visserij - visvangsten - noordzee - nederlandse wateren
    Monitoring cod catches of the Dutch demersal fleet in 2015
    Trapman, B.K. ; Machiels, M.A.M. - \ 2016
    IJmuiden : Wageningen Marine Research (Wageningen Marine Research rapport C106/16) - 30
    cod - fisheries - fish catches - monitoring - demersal fisheries - netherlands - kabeljauw - visserij - visvangsten - demersale visserij - nederland
    The tragedy of a lack of brown shrimp fisheries management in the North Sea
    Steenbergen, J. ; Trapman, B.K. ; Poos, J.J. ; Kooten, T. van - \ 2016
    - 1 p.
    tragedy of the commons - brown shrimp fisheries - Fisheries management - growth overfishing
    Changes in fishing behaviour of two fleets under fully documented catch quota management: same rules, different outcomes
    Helmond, A.T.M. van; Chen, C. ; Trapman, B.K. ; Kraan, M.L. ; Poos, J.J. - \ 2016
    - 1 p.
    Catch quota management - Fully documented fisheries - Fishing behaviour - Landing obligation - Mixed fisheries - Electronic monitoring - North Sea cod
    Cod monitoring: Results 2015, Quarter 4
    Trapman, B.K. ; Machiels, M.A.M. - \ 2016
    IMARES (Report / IMARES C053/16) - 22
    5 years of Industry survey: Does the industry survey improve current stock assessments for plaice and sole?
    Reijden, K.J. van der; Poos, J.J. ; Trapman, B.K. ; Verkempynck, R. - \ 2016
    IMARES (Rapport / IMARES C039/16) - 31
    plaice - dover soles - fish stocks - fishing gear - fisheries - fish industry - schol - tong (vis) - visstand - vistuig - visserij - visverwerkende industrie
    This report describes the results of the industry survey; an annual survey targeting sole and plaice on-board of the commercial fishing vessels UK45 and OD1. The survey was set up following the wish of the fishing industry to deliver data for stock assessments themselves, which are collected using commercially representative fishing gears. This survey was expected to make stock assessment results more accurate and to increase trust of the fisheries industry in stock assessments.
    Achtergronddocument Rode Lijst Vissen 2011 : zoutwatervissen; analyse en documentatie in 2011 - 2013 publicatie in 2016
    Tien, N.S.H. ; Heessen, H.J.L. ; Kranenbarg, Jan ; Trapman, B.K. - \ 2016
    IJmuiden : IMARES (Rapport / IMARES C021/16) - 85
    vissen - bemonsteren - zout water - bedreigde soorten - zeevissen - fishes - sampling - saline water - endangered species - marine fishes
    In 2011-2013 heeft IMARES als onderaannemer van RAVON, in opdracht van het toenmalige Ministerie van Economie, Landbouw en Innovatie (het hedendaagse Ministerie van Economische Zaken), meegewerkt aan het uitvoeren van analyses om tot een voorstel te komen voor een nieuwe Rode Lijst Vissen. Deze analyses zijn uitgevoerd op basis van een door de Nederlandse overheid vastgestelde methodiek om de mate waarin soorten bedreigd zijn vast te stellen. Hierbij zijn door IMARES 59 zoutwatervissoorten onderzocht die gevangen worden in de wetenschappelijke bemonsteringsprogramma’s IBTS, BTS en DFS. De wetenschappelijke bemonsteringsprogramma’s van IMARES zijn programma’s waarin jaarlijks volgens een vaste methode met boomkortuigen wordt gevist om gegevens te verzamelen over de toestand van Noordzeevisbestanden. Het voorliggende rapport bevat de beschrijving en uitkomst van de analyses zoals uitgevoerd in 2011 en 2012 door IMARES. De tekst is grotendeels in 2011-2013 geschreven, door IMARES en RAVON. Op basis van deze analyses, en de analyses van RAVON (zoetwatersoorten) en stichting ANEMOON en Ecosub (zoutwatersoorten) is een nieuwe Rode Lijst Vissen opgesteld welke sinds 2016 van kracht is.
    Changes in fishing behaviour of two fleets under fully documented catch quota management : Same rules, different outcomes
    Helmond, A.T.M. van; Chen, C. ; Trapman, B.K. ; Kraan, M. ; Poos, J.J. - \ 2016
    Marine Policy 67 (2016). - ISSN 0308-597X - p. 118 - 129.
    Catch quota management - Electronic monitoring - Fishing behaviour - Fully documented fisheries - Landing obligation - Mixed fisheries - North Sea cod

    A Dutch pilot study of fully documented fisheries provided the opportunity to observe actual changes in fishing behaviour under catch quota management (CQM). Interviews with fishers in the pilot study aided in interpreting the results and giving insight in the decision making process and reasoning of fishers. The CQM pilot study entailed a fleet of small and large demersal vessels. For these vessels, all cod catches were counted against quota, including catches of individuals below minimum landings size. To obtain reliable catch data all vessels were equipped with electronic monitoring (EM) systems. These systems recorded videos of all fishing and processing activities on board. In return, fishers received a 30% quota bonus for cod and were compensated with more flexibility on effort regulations. It was hypothesized that vessels in the CQM will (i) increase their landings by 30% according to their quota bonus, (ii) increase the use of gear with large mesh size, and (iii) change effort towards fishing locations with high catch rates of large cod and avoid areas with high catch rates of undersized cod. The results showed that CQM had no effect on fishing behaviour of the small vessels. In contrast, large vessels significantly increased their cod landings (216%) and avoided undersized cod. This difference in response of different fleets suggested that implementation of CQM, for instance in the context of the European Common Fisheries Policy, should consider fleet characteristics. It seemed that larger vessels in this study more easily adapted their behaviour to new management regimes and that the quota bonus opened up new fishing strategies, that were not envisaged during the implementation.

    Monitoring cod catches of the Dutch demersal fleet in 2014 : Investigating the effects of season and fishing gear on cod landings
    Reijden, K.J. van der; Machiels, M.A.M. ; Trapman, B.K. ; Kraan, M.L. - \ 2016
    IMARES (Report / IMARES C010/16) - 68
    cod - fish catches - monitoring - demersal fisheries - fishing gear - kabeljauw - visvangsten - monitoring - demersale visserij - vistuig
    In this report the results of the cod monitoring program are presented. This research was commissioned by the Dutch Ministry of Economic Affairs. Cod catches of the vessels in the gear groups BT2 (beam trawl) and TR (otter trawls and seines) need to be monitored yearly, due to the Dutch implementation of the European cod recovery plan. The European cod recovery plan restricts fishing efforts of European fleets that catch cod. Fishing effort, based on historical track records, is allocated to different gear groups. Fishing effort can be transferred between gear groups but then conversion factors apply. In the Netherlands fishing effort is transferred yearly from the BT2 gear group to the TR group, based on a national conversion factor of 1:3 (BT:TR) kWdays instead of the European conversion factor of 1:16, because the cod catches in the Dutch TR fleet are not as high as the European conversion factor implies. In order to substantiate for the national conversion factor, the Dutch government is obliged to report cod catches per unit of effort (CpUE) of the vessels in these gear groups to the European Commission.
    Analysis sticky notes International Pulse Dialogue Meeting
    Trapman, Brita - \ 2015
    Management options for brown shrimp (Crangon crangon) fisheries in the North Sea
    Steenbergen, J. ; Kooten, T. van; Wolfshaar, K.E. van de; Trapman, B.K. ; Reijden, K.J. van der - \ 2015
    IJmuiden : IMARES (Report / IMARES C181/15) - 63
    crangon - shrimps - shellfish fisheries - fishery management - fishery policy - north sea - crangon - garnalen - schaal- en schelpdierenvisserij - visserijbeheer - visserijbeleid - noordzee
    Fisheries targeting brown shrimp (Crangon crangon) in the North Sea in European waters are largely unregulated in terms of landings and effort. A license system exists, but this did not prevent the current situation of overcapacity of the shrimp fleet. The governments of the North Sea brown shrimp fisheries (Netherlands, Germany, Denmark, Belgium, United Kingdom) have shown little interest in management of the shrimp fisheries, which leads to a consequent lack of action to establish a management system for shrimp, as well as little resources for research and monitoring. Initiatives in the Netherlands of the industry to self-manage their fisheries, in terms of effort limitation and/or landing, were not accepted by the Dutch Authority for Consumers and Markets (ACM). Due to a lack of research, no ecological arguments for effort limitation were available and therefore any proposals by the industry to limit fishing effort and/or landings were deemed illegal price manipulations. Although the need for management was expressed by the industry, environmental NGOs, as well as scientists (ICES WGCRAN), the issue of management of brown shrimp fisheries was at a standstill. Therefore, IMARES was asked in 2011 by the Dutch sector to close the knowledge gaps and to determine if there is an ecological need for the management of the fisheries on brown shrimp in the North sea.
    De vormgeving van beleid in een Multi-level Governance setting - VIP Rapport : Analyse van bijeenkomsten tussen vissers en EZ over de omstreden aanlandplicht 2013, 2014 en 2015
    Trapman, B.K. ; Kraan, M.L. - \ 2015
    IJmuiden : IMARES (Rapport / IMARES C196/15) - 35
    zeevisserij - discards - vis vangen - visserijbeleid - governance - plichten - wetgeving - europa - marine fisheries - discards - fishing - fishery policy - governance - duties - legislation - europe
    Duurzaamheid, communicatie en veiligheid : verslag van de landelijke bijeenkomst 'Kenniskringen Visserij en duurzaamheid'
    Zaalmink, W. ; Smith, S.R. ; Steenbergen, J. ; Trapman, B.K. ; Valk, O.M.C. van der - \ 2015
    LEI Wageningen UR (Rapport / LEI Wageningen UR 2015-160) - 25
    visserij - duurzaamheid (sustainability) - biobrandstoffen - communicatie - familiebedrijven, landbouw - veiligheid - coöperaties - nederland - fisheries - sustainability - biofuels - communication - family farms - safety - cooperatives - netherlands
    Op 6 juni 2015 vond op Fort IJmuiden een landelijke bijeenkomst plaats van het project Kenniskringen Visserij. Het doel van deze dag was te komen tot een uitwisseling van kennisvragen over verschillende visserij gerelateerde thema’s. Het programma bestond uit een plenaire bijeenkomst en uit een aantal zogenoemde cafébijeenkomsten. Bij elke cafébijeenkomst was een relevante expert aanwezig, die de bijeenkomst inleidde. Hierna konden de aanwezigen vragen aan de expert en aan elkaar stellen. Dit verslag is een samenvatting van de uitspraken die door de deelnemers en experts op deze dag gedaan zijn rond de thema’s: 1. Duurzaamheid en de visser als onderzoeker (expert: Bas Haring, volksfilosoof) 2. Communicatie (expert: Marissa Tanis, GoMaris) 3. Fuel of the future (expert: Dirk Kronemeijer) 4. Veiligheid aan boord (expert: Cor Blonk) 5. Coöperaties (expert: Thomas Højrup)
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