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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Review of analytical approaches for the identification of non-intentionally added substances in paper and board food contact materials
Peters, Ruud J.B. ; Groeneveld, Iris ; Sanchez, Patricia Lopez ; Gebbink, Wouter ; Gersen, Arjen ; Nijs, Monique de; Leeuwen, Stefan P.J. van - \ 2019
Trends in Food Science and Technology 85 (2019). - ISSN 0924-2244 - p. 44 - 54.
Bio-assay - Chemical analysis - Effect directed analysis - Food contact materials - In silico tools - Non-intentionally added substances

Background: Food contact materials (FCM) may contain non-intentionally added substances (NIAS) as a result of reaction by-products, oligomers, degradation processes, chemical reactions between packaging materials and foodstuff, or as impurities from the raw materials used for their production. Scope and approach: In this review, current approaches for the detection and identification of NIAS from paper and board FCM are presented. Reviewed are the definition of NIAS, approaches for NIAS identification and quantification, the comprehensive analysis of NIAS and the role of in silico tools and bioassays. Key Findings and Conclusions: NIAS in paper and board are mostly components from printing inks, adhesives, sizing agents and surface coatings. Recycled paper contains overall more NIAS than fresh paper. Targeted analysis is generally performed for predicted NIAS, whereas an untargeted, or full-scan screening method is applied to detect and identify unpredicted NIAS. Sample preparation and contact conditions fall in two categories; migration and extraction. Migration studies are performed with food simulants while extraction studies are Soxhlet or ultrasound assisted solvent extraction. In untargeted analysis in silico tools are gaining importance in the identification of NIAS. Bioassays are used to determine the bioactivity of extracts or fractions in order to assess the potential toxicity of NIAS present in the mixture. A combination of bioassays and chemical analysis is used to direct the identification of unknown bioactive NIAS in complex mixtures like those from paper and board FCM. However, future research is required into the selection of bioassays since these should not only be sensitive enough for detecting all compounds of concern but should also have a relevance with human health.

Alternative harvest control rules for multi-fleet and multi-species fisheries under data-poor conditions in Eastern Indonesia
Yuniarta, S. ; Groeneveld, R.A. ; Zwieten, P.A.M. van - \ 2018
In: Book of Abstracts 2018 Biennial Conference of the International Institute of Fisheries Economics and Trade. - - p. 415 - 415.
Effects on participation and biodiversity of reforming the implementation of agri-environmental schemes in the Netherlands
Groeneveld, A.N. ; Peerlings, J.H.M. ; Bakker, M.M. ; Polman, N.B.P. ; Heijman, W.J.M. - \ 2018
Ecological Complexity (2018). - ISSN 1476-945X - 17 p.
Agri-environmental schemes - Biodiversity - Contracts - Mathematical programming

To prevent further biodiversity loss as a result of intensive agricultural practices, Agri-Environmental Schemes (AES) have been implemented on European farmland. Unfortunately these AES have not always been effective in terms of biodiversity and farmer participation. In an effort to improve the AES programme the Dutch government switched from an individual application system to a collective application system for AES payments in 2016. The goal of this paper is to analyse how the resilience of the land use system in terms of farmer participation in the AES and biodiversity is affected by the value farmers attach to biodiversity, and whether the shift from an individual to collective AES will affect the resilience of the land use system. We constructed a multi-objective mathematical programming model in which farmers maximise utility. Farmers are linked through their common effect on biodiversity. In the collective application system payments are only available when the biodiversity in the region is above a certain threshold. Simulation results show no difference in farmer participation and biodiversity between the individual application system and the collective application system when biodiversity weights are high. The land use system loses its resilience in terms farmer participation in the AES and biodiversity if we lower the biodiversity weights, this effect is stronger in the collective AES programme.

The process of digitizing of the dr. P.A.A. Loof Literature Collection
Groeneveld-Vervloed, Lisette - \ 2018
Nematode taxonomy and systematics online - The Loof Literature Collection : Particularly for rare taxonomical articles
Groeneveld-Vervloed, E.M.P. - \ 2018
Complexity in land use change; the case of the Dutch dairy sector
Groeneveld, Anouschka - \ 2018
Wageningen University. Promotor(en): Wim Heijman, co-promotor(en): Jack Peerlings; Martha Bakker. - Wageningen : Wageningen University - ISBN 9789463437646 - 205
Complex dynamics in the uptake of new farming practices : a case study for organic waste application
Groeneveld, Anouschka ; Bakker, Martha ; Peerlings, Jack ; Heijman, Wim - \ 2018
Journal of Environmental Planning and Management (2018). - ISSN 0964-0568 - 25 p.
economies of scale - innovation - learning - regime shift - social norm

Adverse environmental effects of intensive agriculture, together with scarcity in phosphates and water, urge farmers to find more sustainable practices. An example of such a sustainable practice is on-farm processing of organic waste. This paper explores three mechanisms that can lead to a widespread uptake of this technique: (1) economies of scale, (2) information sharing, and (3) adjustment of social norms. Although each of these mechanisms has been studied before, this paper provides new insights by considering the interactions that might exist between the different mechanisms when they are applied to real-life situations. Based on a pilot study, we developed a multi-criteria mathematical programming model at individual farm level. We used this model to simulate the uptake of on-farm processing of organic waste, as a result of the three mechanisms and their interactions. Our results show that each mechanism results in an increased uptake, but is not likely to cause a widespread uptake. Interaction between the mechanisms, will lead to a much higher uptake. This result suggests that simultaneous consideration of multiple mechanisms is essential to understand the behaviour of social–ecological systems.

Economic impacts of marine ecological change : Review and recent contributions of the VECTORS project on European marine waters
Groeneveld, Rolf A. ; Bartelings, Heleen ; Börger, Tobias ; Bosello, Francesco ; Buisman, Erik ; Delpiazzo, Elisa ; Eboli, Fabio ; Fernandes, Jose A. ; Hamon, Katell G. ; Hattam, Caroline ; Loureiro, Maria ; Nunes, Paulo A.L.D. ; Piwowarczyk, Joanna ; Schasfoort, Femke E. ; Simons, Sarah L. ; Walker, Adam N. - \ 2018
Estuarine Coastal and Shelf Science 201 (2018). - ISSN 0272-7714 - p. 152 - 163.
Algal blooms - Climatic changes - Economic analysis - Fisheries - Introduced species - Recreation
Marine ecological change is likely to have serious potential economic consequences for coastal economies all over the world. This article reviews the current literature on the economic impacts of marine ecological change, as well as a number of recent contributions to this literature carried out under the VECTORS project. We focus on three main types of change, namely invasive alien species; outbreak-forming species, such as jellyfish and toxic algae; and gradual changes in species distribution and productivity. The case studies available in the literature demonstrate that the impacts of invasions and outbreaks on fisheries, aquaculture, and tourism can potentially amount to several tens of millions of dollars each year in some regions. Moreover, stated preference studies suggest a substantial impact on coastal tourism and non-use values that is likely not visible in case studies of specific outbreak events. Climate-driven gradual changes in distribution and productivity of commercial fish stocks will have an impact on fisheries, although these impacts are likely to be overshadowed by much larger changes in prices of seafood and fuel.
The Different Dimensions of Livelihood Impacts of Payments for Environmental Services (PES) Schemes : A Systematic Review
Blundo-Canto, Genowefa ; Bax, Vincent ; Quintero, Marcela ; Cruz-Garcia, Gisella S. ; Groeneveld, Rolf A. ; Perez-Marulanda, Lisset - \ 2018
Ecological Economics 149 (2018). - ISSN 0921-8009 - p. 160 - 183.
Through a systematic review of peer-reviewed and grey literature, this paper analyzes evidence of the livelihood impacts of Payments for Environmental Services (PES). Forty-six studies assessed PES livelihood impacts. The assessments presented more positive livelihood impacts than negative ones, focusing on financial benefits. Non-monetary and non-material impacts of PES were largely understudied. Most reviews focused on ES providers, hindering the understanding of broader societal impacts. The review yielded examples where participants lost from their participation or where improvements in one livelihood dimension paralleled deterioration in another. Consequently, we identified key research gaps in: i) understanding the social and cultural impacts of PES, ii) evaluating environmental and economic additionality from improving other ES at the expense of cultural ones, iii) and assessing PES impacts in terms of trade-offs between multiple livelihood dimensions. Moreover, increased knowledge is needed on the impact of PES on changes in household expenditure and choice, and on trade-offs between household income and inequality in ES provider communities. Finally, if PES schemes are implemented to sustainably improve livelihoods, targeting disaggregated populations, understanding equity and social power relations within and between ES providers and users, and better monitoring and evaluation systems that consider locally relevant livelihood dimensions are needed.
Integrated ecological-economic fisheries models-Evaluation, review and challenges for implementation
Nielsen, J.R. ; Thunberg, Eric ; Holland, Daniel S. ; Schmidt, Jorn O. ; Fulton, Elizabeth A. ; Bastardie, Francois ; Punt, Andre E. ; Allen, Icarus ; Bartelings, Heleen ; Bertignac, Michel ; Groeneveld, Rolf A. ; Hamon, Katell G. ; Dijk, Diana van - \ 2018
Fish and Fisheries 19 (2018)1. - ISSN 1467-2960 - p. 1 - 29.
Bio-economic models - Comparative model evaluation - Fisheries management advice - Integrated ecological-economic fisheries models - Marine spatial planning and cross-sector management - Performance criteria and scales and risks - Use and acceptance and implementation and communication and flexibility and complexity

Marine ecosystems evolve under many interconnected and area-specific pressures. To fulfil society's intensifying and diversifying needs while ensuring ecologically sustainable development, more effective marine spatial planning and broader-scope management of marine resources is necessary. Integrated ecological-economic fisheries models (IEEFMs) of marine systems are needed to evaluate impacts and sustainability of potential management actions and understand, and anticipate ecological, economic and social dynamics at a range of scales from local to national and regional. To make these models most effective, it is important to determine how model characteristics and methods of communicating results influence the model implementation, the nature of the advice that can be provided and the impact on decisions taken by managers. This article presents a global review and comparative evaluation of 35 IEEFMs applied to marine fisheries and marine ecosystem resources to identify the characteristics that determine their usefulness, effectiveness and implementation. The focus is on fully integrated models that allow for feedbacks between ecological and human processes although not all the models reviewed achieve that. Modellers must invest more time to make models user friendly and to participate in management fora where models and model results can be explained and discussed. Such involvement is beneficial to all parties, leading to improvement of mo-dels and more effective implementation of advice, but demands substantial resources which must be built into the governance process. It takes time to develop effective processes for using IEEFMs requiring a long-term commitment to integrating multidisciplinary modelling advice into management decision-making.

Defining scenarios of future vectors of change in marine life and associated economic sectors
Groeneveld, Rolf A. ; Bosello, Francesco ; Butenschön, Momme ; Elliott, Mike ; Peck, Myron A. ; Pinnegar, John K. - \ 2018
Estuarine Coastal and Shelf Science 201 (2018). - ISSN 0272-7714 - p. 164 - 171.
Climatic changes - Ecosystem management - International policy - Scenarios - Socioeconomic aspects
Addressing the multitude of challenges in marine policy requires an integrated approach that considers the multitude of drivers, pressures, and interests, from several disciplinary angles. Scenarios are needed to harmonise the analyses of different components of the marine system, and to deal with the uncertainty and complexity of the societal and biogeophysical dynamics in the system. This study considers a set of socio-economic scenarios to (1) explore possible futures in relation to marine invasive species, outbreak forming species, and gradual changes in species distribution and productivity; and (2) harmonise the projection modelling performed within associated studies. The exercise demonstrates that developing interdisciplinary scenarios as developed in this study is particularly complicated due to (1) the wide variety in endogeneity or exogeneity of variables in the different analyses involved; (2) the dual role of policy decisions as variables in a scenario or decisions to be evaluated and compared to other decisions; and (3) the substantial difference in time scale between societal and physical drivers.
Investing in climate change mitigation and adaptation on mangrove and aquaculture doubles benefits
Bosma, R.H. ; Hakim, Lugas Lukmanul ; Groeneveld, R.A. - \ 2017
- 1 p.
aquaculture - mangrove recovery - abrasion - investment - climate change
Uncertainty in catch and effort data of small- and medium-scale tuna fisheries in Indonesia : Sources, operational causes and magnitude
Yuniarta, Shinta ; Zwieten, Paul A.M. van; Groeneveld, Rolf A. ; Wisudo, Sugeng Hari ; Ierland, E.C. van - \ 2017
Fisheries Research 193 (2017). - ISSN 0165-7836 - p. 173 - 183.
Data collection - Small-scale fisheries - Tuna - Uncertainty - Unreported catch

This study aims to identify the sources and magnitude of uncertainty in the collection and processing of catch and effort data of small- and medium-scale tuna fisheries in Indonesia, as well as the causes of uncertainty on an operational level. We identified possible sources of uncertainty through a literature review and interviews with experts. Next, we surveyed 40 small-scale (<10 GT) and medium-scale (10–100 GT) pole-and-line, purse-seine, longline and handline fishers in the oceanic fishing port Bitung, which has the largest number of tuna fisheries activities in eastern Indonesia, to estimate the magnitude of unreported catch of juvenile tuna, on-board consumption, home consumption and catch used as bait. We used logbook data from the fisheries submitted to the fishing port authorities to extrapolate survey results to the fishing port level. Uncertainties around unreported catches were due both to non-reporting by fishers to the fishing port authority and to flaws in data management in the data collection institution. After removing flaws in the logbook database we estimated that the catch by small- and medium-scale fishing vessels active in Indonesian waters could be about 33–38% higher than reported. The proportion of unreported catch, as well as the sources and range of uncertainty, varied according to the types of gear used. Finally, we discuss what aspects of data collection and processing should be improved at the fishing port level, including the identified sources of unreported catch and the processes leading to non-reporting. We hence provide a methodology for estimating unreported catches in small and medium-scale fisheries.

Private governance of ocean resources
Groeneveld, R.A. ; Bush, S.R. ; Bailey, M.L. - \ 2017
In: Handbook on the Economics and Management of Sustainable Oceans / Nunes, Paulo A.L.D., Svensson, Lisa E., Markandya, Anil, Edward Elgar Publishing - ISBN 9781786430717 - p. 416 - 428.
The United Nations (UN) post-2015 development agenda (United Nations 2015) calls for the establishment of a global partnership for sustainable development, ‘bringing together Governments, civil society, the private sector, the United Nations system and other actors and mobilizing all available resources’ (Art. 39). The agenda thereby explicitly acknowledges that in addition to governments, private companies and civil society have a pivotal role to play in attaining the new Sustainable Development Goals (SDGs). The natural resource economics literature has traditionally applied a strict dichotomy between public actors (that is, governments) and private institutions, notably markets: markets take care of the allocation of private goods and services, while governments uphold the legal framework within which markets operate and correct market failures such as public goods, monopolies, and limited excludability of natural resources (see, for example, Perman et al. 2011; Tietenberg and Lewis 2012). The task of managing ocean resources has thus in recent history fallen squarely on the shoulders of the nation state. However, we have seen for complex systems, such as fisheries and marine ecosystems, that this dichotomy does not always hold (Ostrom 2010). Rather, the work of Ostrom and others (for example, Folke et al. 2005; Galaz et al. 2012) points to what is referred to as polycentric governance, where private and community institutional structures, sometimes integrated with and sometimes separate from the state, are offering new solutions to global governance challenges. These developments are blurring the strict separation of responsibilities between states, companies and, to an increasing extent, civil society.
An Adjustment Restriction on Fish Quota : Resource Rents, Overcapacity and Recovery of Fish Stock
Dijk, Diana van; Hendrix, E.M.T. ; Haijema, Rene ; Groeneveld, R.A. ; Ierland, E.C. van - \ 2017
Environmental and Resource Economics 67 (2017)2. - ISSN 0924-6460 - p. 203 - 230.
Fisheries management - Investment behavior - Quota adjustment restriction - Stochastic dynamic programming

Management objectives of the European Union for North Sea fish stocks are shifting towards considering both biological sustainability and economic benefits. As part of multiannual management plans, an adjustment restriction on fish quota has been introduced. Its objective is to obtain an efficient fish stock and to reduce overcapacity for the fishing industry. We develop and apply a bi-level stochastic dynamic programming model to study the effect of a quota adjustment restriction on the net present value of resource rents, overcapacity and fish stock, when the system is recovering from a downward environmental shock. At level one, a policy maker sets the quota, considering fishermen behavior, stochastic fish stock dynamics, capital stock dynamics and a quota adjustment restriction. At level two, fishermen harvest myopically and make long-term investment decisions, assuming that fish stock and quota do not change over time. The two levels are linked by the quota, which is optimized by the policy maker at level one and becomes a restriction for myopic harvest and long-term investment decisions of fishermen at level two. Our analysis suggests that in the long run, overcapacity can be reduced by 54 % at modest costs, namely at a 1 % reduction in the net present value of resource rents. Long and short run sustainability of the fish stock is not affected.

Cost-benefit analysis of conservation agriculture implementation in Syrdarya province of Uzbekistan
Daujanov, Azizbek ; Groeneveld, R.A. ; Pulatov, Alim ; Heijman, W.J.M. - \ 2016
Visegrad Journal on Bioeconomy and Sustainable Development 5 (2016)2. - ISSN 1339-3367 - p. 48 - 52.
cost-benefit analysis - conservation agriculture - permanent bed system - Uzbekistan
Most irrigated lands of Central Asia suffer from land degradation, and unsustainable Agricultural practices are one of the factors contributing to land degradation. Conservation agriculture (CA) is seen as a way to mitigate land degradation and rationalize resource use. The aim of this article is to investigate the efficiency of CA implementation in the Syrdarya province of Uzbekistan, Central Asia by carrying out a cost-benefit analysis (CBA). The CBA was conducted for a hypothetical situation where the farm decides to switch from conventional agricultura to CA. Unlike the previous studies, this study investigates complete crop rotation cycle in the long-term period. The study outcomes suggest that investment in CA implementation results in positive incremental benefit if the advantages of CA are monetized.
Domesticated Animal Biobanking : Land of Opportunity
Groeneveld, Linn F. ; Gregusson, Sigbjørn ; Guldbrandtsen, Bernt ; Hiemstra, Sipke J. ; Hveem, Kristian ; Kantanen, Juha ; Lohi, Hannes ; Stroemstedt, Lina ; Berg, Peer - \ 2016
PloS Biology 14 (2016)7. - ISSN 1545-7885

In the past decade, biobanking has fuelled great scientific advances in the human medical sector. Well-established domesticated animal biobanks and integrated networks likewise harbour immense potential for great scientific advances with broad societal impacts, which are currently not being fully realised. Political and scientific leaders as well as journals and ethics committees should help to ensure that we are well equipped to meet future demands in livestock production, animal models, and veterinary care of companion animals.

The information value of full-retention policies: An analysis of the North Sea demersal fishery
Groeneveld, R.A. ; Poos, J.J. - \ 2016
- 1 p.
Discards - Sole - Plaice - Economics - value of information - Bayesian model
Netinnovatie Kottervisserij
Marlen, B. van; Molenaar, P. ; Bol, R.A. ; Dammers, M. ; Groeneveld, K. ; Machiels, M.A.M. ; Heijer, W.M. den - \ 2016
IMARES (Rapport / IMARES C110/15) - 130 p.
visserij - boomkorvisserij - bijvangst - vangstsamenstelling - fisheries - beam trawling - bycatch - catch composition
Als reactie op de aanlandplicht heeft de kottersector via de Coöperatieve Visserij Organisatie (CVO) het initiatief opgepakt om de selectiviteit van de vistuigen te verhogen om zo weinig mogelijk discards te vangen en aan te landen. Na een ontwerpfase met modelonderzoek in de flume tank van SINTEF te Hirtshals, Denemarken, en met ervaringen uit eerdere projecten werden op verscheidene schepen netinnovaties uitgeprobeerd. Er werd onderzoek gedaan op een schip met boomkor, verschillende schepen vissend met pulsvistuigen en op twinriggers. Hierbij werd aanvankelijk gewerkt op ‘trial-and error’ basis met in sommige gevallen zelfmonitoring. Vervolgens werden enkele uitgebreide vangst- en bijvangstvergelijkingen gedaan met medewerkers van IMARES aan boord.
The effect of milk quota abolishment on farm intensity : Shifts and stability
Groeneveld, Anouschka ; Peerlings, Jack ; Bakker, Martha ; Heijman, Wim - \ 2016
NJAS Wageningen Journal of Life Sciences (2016). - ISSN 1573-5214 - p. 25 - 37.
Agricultural policy - Dairy farming - Farm intensification - Manure - Milk quota abolishment - Netherlands - Shifts

We investigate whether milk quota abolition in the Netherlands is likely to lead to a shift towards more intensive farms, and whether the legislation introduced by the Dutch government to prevent this from happening is likely to be effective. To this end, a mathematical programming model is developed and applied to ten Dutch dairy farms of varying size. The mathematical programming model allows us to calculate shadow prices, which we use to evaluate the stability or likelihood of a shift in the farmer decisions in our model. Our results suggest a strong increase in intensity for the largest farm type when milk quotas are abolished, while further intensification is limited for the smaller farm types. Although most farm types increase the number of cows on the farm, for the smaller ones this can only be achieved when the costs of expanding decrease considerably. The new legislation introduced by the Dutch government to prevent strong intensification appears to be successful.

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