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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    Lerende evaluatie van het Natuurpact 2020 : Gezamenlijk de puzzel leggen voor natuur, economie en maatschappij: tweede rapportage
    Folkert, Rob ; Bouwma, Irene ; Kuindersma, Wiebren ; Hoek, Dirk-Jan van der; Gerritsen, Alwin ; Kunseler, Eva ; Buijs, Arjen ; Broekhoven, Saskia van; Knegt, Bart de; Aalbers, Carmen ; Kamphorst, Dana ; Doren, Didi van; Klaassen, Pim ; Wit-de Vries, Esther de; Roelofsen, Hans ; Agricola, Herman ; Os, Jaap van; Frissel, Joep ; Donders, Josine ; Verwoerd, Lisa ; Giesen, Paul ; Sanders, Marlies ; Goossen, Martin ; Nuesink, Nienke ; Arnouts, Rikke ; Boer, Tineke de; Dam, Rosalie van - \ 2020
    Den Haag : PBL Planbureau voor de Leefomgeving (PBL-publicatie 3852) - 183
    Too ugly, but I love its shape : Reducing food waste of suboptimal products with authenticity (and sustainability) positioning
    Giesen, Roxanne I. van; Hooge, Ilona E. de - \ 2019
    Food Quality and Preference 75 (2019). - ISSN 0950-3293 - p. 249 - 259.
    Authenticity - Food waste - Marketing strategies - Pricing - Suboptimal products - Sustainability

    In the societal change towards a more sustainable future, reducing food waste is one of the mostly discussed topics. One significant source of food waste is the reluctance of supply chains and consumers to sell, purchase, or consume products that deviate from optimal products on the basis of only cosmetic specifications. Yet, it is currently unclear how consumers can be motivated to purchase such suboptimal products. The present research suggests that presenting suboptimal products with a sustainability positioning or with an authenticity positioning can positively affect consumers’ purchase intentions and quality perceptions of suboptimal products. Two studies (total N = 1804) presenting suboptimal products with a sustainability positioning, an authenticity positioning, or no positioning under varying price levels reveal that especially authenticity positioning can increase purchase intentions for and quality perceptions of suboptimal products independent of the prices of suboptimal products. A sustainability positioning appears to work best when combined with a moderate price discount. Moreover, the findings show that respondents have lower intentions to waste suboptimal foods when a clear positioning is provided compared to when this is not provided. Together, these findings provide a constructive first step towards a more sustainable solution for the suboptimal product waste problem.

    Measurements and Observations in the XXI century (MOXXI) : innovation and multi-disciplinarity to sense the hydrological cycle
    Tauro, Flavia ; Selker, John ; Giesen, Nick van de; Abrate, Tommaso ; Uijlenhoet, Remko ; Porfiri, Maurizio ; Manfreda, Salvatore ; Caylor, Kelly ; Moramarco, Tommaso ; Benveniste, Jerome ; Ciraolo, Giuseppe ; Estes, Lyndon ; Domeneghetti, Alessio ; Perks, Matthew T. ; Corbari, Chiara ; Rabiei, Ehsan ; Ravazzani, Giovanni ; Bogena, Heye ; Harfouche, Antoine ; Brocca, Luca ; Maltese, Antonino ; Wickert, Andy ; Tarpanelli, Angelica ; Good, Stephen ; Lopez Alcala, Jose Manuel ; Petroselli, Andrea ; Cudennec, Christophe ; Blume, Theresa ; Hut, Rolf ; Grimaldi, Salvatore - \ 2018
    Hydrological Sciences Journal 63 (2018)2. - ISSN 0262-6667 - p. 169 - 196.
    experimental hydrology - hydrological measurements - IAHS - innovation - measurements and Observations in the XXI century (MOXXI) - sensors
    To promote the advancement of novel observation techniques that may lead to new sources of information to help better understand the hydrological cycle, the International Association of Hydrological Sciences (IAHS) established the Measurements and Observations in the XXI century (MOXXI) Working Group in July 2013. The group comprises a growing community of tech-enthusiastic hydrologists that design and develop their own sensing systems, adopt a multi-disciplinary perspective in tackling complex observations, often use low-cost equipment intended for other applications to build innovative sensors, or perform opportunistic measurements. This paper states the objectives of the group and reviews major advances carried out by MOXXI members toward the advancement of hydrological sciences. Challenges and opportunities are outlined to provide strategic guidance for advancement of measurement, and thus discovery.
    Changes in the influence of affect and cognition over time on consumer attitude formation toward nanotechnology : A longitudinal survey study
    Giesen, Roxanne I. van; Fischer, Arnout R.H. ; Trijp, Hans C.M. van - \ 2018
    Public Understanding of Science 27 (2018)2. - ISSN 0963-6625 - p. 168 - 184.
    affect - attitudes - cognition - longitudinal survey - nanotechnology
    Insights into how consumer attitudes toward nanotechnology are formed and develop are crucial for understanding and anticipating possible barriers in consumer acceptance of nanotechnology applications. In this study, the influence of affect and cognition on overall opinion is investigated longitudinally for emerging nanotechnologies, and compared with conventional technologies. Overall, in attitude formation toward nanotechnology applications, people rely relatively more on affect than cognition. Over time, reliance on affect decreases whereas reliance on cognition increases for nanotechnology. This suggests that over time nanotechnology applications have become somewhat more integrated within people’s already existing knowledge structure. However, for conventional technologies the influence of affect and cognition on overall attitude remains stable over time. The current study shows that it is essential to address both affective and cognitive aspects of public opinion of nanotechnology.
    Nederlandse en Franse vissers zijn verwikkeld in een visoorlog: 'Waar de Hollander vist, blijft voor ons niks over'
    Rijnsdorp, Adriaan - \ 2017
    Denial of long-term issues with agriculture on tropical peatlands will have devastating consequences
    Wijedasa, Lahiru S. ; Jauhiainen, Jyrki ; Könönen, Mari ; Lampela, Maija ; Vasander, Harri ; Leblanc, Marie-Claire ; Evers, Stephanie ; Smith, Thomas E.L. ; Yule, Catherine M. ; Varkkey, Helena ; Lupascu, Massimo ; Parish, Faizal ; Singleton, Ian ; Clements, Gopalasamy R. ; Aziz, Sheema Abdul ; Harrison, Mark E. ; Cheyne, Susan ; Anshari, Gusti Z. ; Meijaard, Erik ; Goldstein, Jenny E. ; Waldron, Susan ; Hergoualc'h, Kristell ; Dommain, Rene ; Frolking, Steve ; Evans, Christopher D. ; Posa, Mary Rose C. ; Glaser, Paul H. ; Suryadiputra, Nyoman ; Lubis, Reza ; Santika, Truly ; Padfield, Rory ; Kurnianto, Sofyan ; Hadisiswoyo, Panut ; Lim, Teck Wyn ; Page, Susan E. ; Gauci, Vincent ; Meer, Peter J. Van Der; Buckland, Helen ; Garnier, Fabien ; Samuel, Marshall K. ; Choo, Liza Nuriati Lim Kim ; O'reilly, Patrick ; Warren, Matthew ; Suksuwan, Surin ; Sumarga, Elham ; Jain, Anuj ; Laurance, William F. ; Couwenberg, John ; Joosten, Hans ; Vernimmen, Ronald ; Hooijer, Aljosja ; Malins, Chris ; Cochrane, Mark A. ; Perumal, Balu ; Siegert, Florian ; Peh, Kelvin S.H. ; Comeau, Louis-Pierre ; Verchot, Louis ; Harvey, Charles F. ; Cobb, Alex ; Jaafar, Zeehan ; Wösten, Henk ; Manuri, Solichin ; Müller, Moritz ; Giesen, Wim ; Phelps, Jacob ; Yong, Ding Li ; Silvius, Marcel ; Wedeux, Béatrice M.M. ; Hoyt, Alison ; Osaki, Mitsuru ; Hirano, Takashi ; Takahashi, Hidenori ; Kohyama, Takashi S. ; Haraguchi, Akira ; Nugroho, Nunung P. ; Coomes, David A. ; Quoi, Le Phat ; Dohong, Alue ; Gunawan, Haris ; Gaveau, David L.A. ; Langner, Andreas ; Lim, Felix K.S. ; Edwards, David P. ; Giam, Xingli ; Werf, Guido Van Der; Carmenta, Rachel ; Verwer, Caspar C. ; Gibson, Luke ; Gandois, Laure ; Graham, Laura Linda Bozena ; Regalino, Jhanson ; Wich, Serge A. ; Rieley, Jack ; Kettridge, Nicholas ; Brown, Chloe ; Pirard, Romain ; Moore, Sam ; Capilla, B.R. ; Ballhorn, Uwe ; Ho, Hua Chew ; Hoscilo, Agata ; Lohberger, Sandra ; Evans, Theodore A. ; Yulianti, Nina ; Blackham, Grace ; Onrizal, O. ; Husson, Simon ; Murdiyarso, Daniel ; Pangala, Sunita ; Cole, Lydia E.S. ; Tacconi, Luca ; Segah, Hendrik ; Tonoto, Prayoto ; Lee, Janice S.H. ; Schmilewski, Gerald ; Wulffraat, Stephan ; Putra, Erianto Indra ; Cattau, Megan E. ; Clymo, R.S. ; Morrison, Ross ; Mujahid, Aazani ; Miettinen, Jukka ; Liew, Soo Chin ; Valpola, Samu ; Wilson, David ; Arcy, Laura D'; Gerding, Michiel ; Sundari, Siti ; Thornton, Sara A. ; Kalisz, Barbara ; Chapman, Stephen J. ; Su, Ahmad Suhaizi Mat ; Basuki, Imam ; Itoh, Masayuki ; Traeholt, Carl ; Sloan, Sean ; Sayok, Alexander K. ; Andersen, Roxane - \ 2017
    Global Change Biology 23 (2017)3. - ISSN 1354-1013 - p. 977 - 982.
    The first International Peat Congress (IPC) held in the tropics – in Kuching (Malaysia) – brought together over 1000 international peatland scientists and industrial partners from across the world (“International Peat Congress with over 1000 participants!,” 2016). The congress covered all aspects of peatland ecosystems and their management, with a strong focus on the environmental, societal and economic challenges associated with contemporary large-scale agricultural conversion of tropical peat.
    Improving market outcomes : enhancing the position of farmers in the supply chain : Report of the Agricultural Task Force
    Veerman, C.P. ; Valverde Cabrero, Esther ; Babuchowski, A. ; Fresco, L.O. ; Giesen, Helfried ; Iwarson, Torbjörn ; Juhász, A. - \ 2016
    Brussels : European Commission - 73
    A century of ecosystem change: human and seabird impacts on plant species extirpation and invasion on islands
    Lameris, Thomas K. ; Bennett, Joseph R. ; Blight, Louise K. ; Giesen, Marissa ; Janssen, Michael H. ; Schaminée, Joop J.H.J. ; Arcese, Peter - \ 2016
    PeerJ 4 (2016). - ISSN 2167-8359
    We used 116 years of floral and faunal records from Mandarte Island, British Columbia, Canada, to estimate the indirect effects of humans on plant communities via their effects on the population size of a surface-nesting, colonial seabird, the Glaucous-winged gull (Larus glaucescens). Comparing current to historical records revealed 18 extirpations of native plant species (32% of species historically present), 31 exotic species introductions, and one case of exotic introduction followed by extirpation. Contemporary surveys indicated that native species cover declined dramatically from 1986 to 2006, coincident with the extirpation of ‘old-growth’ conifers. Because vegetation change co-occurred with an increasing gull population locally and regionally, we tested several predictions from the hypothesis that the presence and activities of seabirds help to explain those changes. Specifically, we predicted that on Mandarte and nearby islands with gull colonies, we should observe higher nutrient loading and exotic plant species richness and cover than on nearby islands without gull colonies, as a consequence of competitive dominance in species adapted to high soil nitrogen and trampling. As predicted, we found that native plant species cover and richness were lower, and exotic species cover and richness higher, on islands with versus without gull colonies. In addition, we found that soil carbon and nitrogen on islands with nesting gulls were positively related to soil depth and exotic species richness and cover across plots and islands. Our results support earlier suggestions that nesting seabirds can drive rapid change in insular plant communities by increasing nutrients and disturbing vegetation, and that human activities that affect seabird abundance may therefore indirectly affect plant community composition on islands with seabird colonies.
    Tracing Attitude Expressions : An Eye-Tracking Study
    Giesen, R.I. van; Fischer, A.R.H. ; Dijk, Heleen van; Trijp, H.C.M. van - \ 2016
    Journal of Behavioral Decision Making (2016). - ISSN 0894-3257 - p. 232 - 244.
    Affect - Cognition - Elaborateness of processing - Eye-tracking

    Attitudes represent object evaluations, comprising complex underlying cognitive and affective knowledge structures. When people are asked to judge an object, they can use their primary response (i.e., the immediate object-evaluation linkage) or underlying affective and cognitive knowledge structures. In many situations, a primary response satisfices, but if not, more elaboration is required. Both processes are fundamentally different but may lead to the same attitude. For monitoring underlying processes during attitude expression, we developed an innovative eye-tracking procedure using eye-gaze on response scale options. This procedure was applied in three studies to identify the extent to which elaboration differs for attitude objects with weak or strong, univalent or mixed object evaluations (i.e., univalent, neutral and ambivalent). In Study 1, the overall judgment preceded processing of more specific affective and cognitive linkage evaluations. In Studies 2 and 3, the order was reversed, and affective and cognitive bases were assessed prior to overall attitude outcomes. For attitude objects with strong univalent or strong mixed object evaluations, we found similar outcomes on underlying processes. For weak object evaluations, cognition was found to be more predictive and easily accessible if an overall judgment was required first; affect for these objects was more predictive if people had to elaborate on affect and cognition first. We concluded that both affective and cognitive attitudes may require substantial elaboration, albeit in different situations.

    Affect and Cognition in Attitude Formation toward Familiar and Unfamiliar Attitude Objects
    Giesen, R.I. van; Fischer, A.R.H. ; Dijk, H. van; Trijp, J.C.M. van - \ 2015
    PLoS ONE 10 (2015)10. - ISSN 1932-6203 - 14 p.
    At large attitudes are built on earlier experience with the attitude object. If earlier experiences are not available, as is the case for unfamiliar attitude objects such as new technologies, no stored evaluations exist. Yet, people are still somehow able to construct attitudes on the spot. Depending on the familiarity of the attitude object, attitudes may find their basis more in affect or cognition. The current paper investigates differences in reliance on affect or cognition in attitude formation toward familiar and unfamiliar realistic attitude objects. In addition, individual differences in reliance on affect (high faith in intuition) or cognition (high need for cognition) are taken into account. In an experimental survey among Dutch consumers (N = 1870), we show that, for unfamiliar realistic attitude objects, people rely more on affect than cognition. For familiar attitude objects where both affective and cognitive evaluations are available, high need for cognition leads to more reliance on cognition, and high faith in intuition leads to more reliance on affect, reflecting the influence of individually preferred thinking style. For people with high need for cognition, cognition has a higher influence on overall attitude for both familiar and unfamiliar realistic attitude objects. On the other hand, affect is important for people with high faith in intuition for both familiar and unfamiliar attitude objects and for people with low faith in intuition for unfamiliar attitude objects; this shows that preferred thinking style is less influential for unfamiliar objects. By comparing attitude formation for familiar and unfamiliar realistic attitude objects, this research contributes to understanding situations in which affect or cognition is the better predictor of overall attitudes.
    Affect and cognition in attitude formation towards familiar and unfamiliar attitude objects: the case of nanotechnology
    Giesen, R.I. van - \ 2015
    Wageningen University. Promotor(en): Hans van Trijp, co-promotor(en): Arnout Fischer. - Wageningen : Wageningen University - ISBN 9789462573390 - 187
    nanotechnologie - houding van consumenten - attitudes - besluitvorming - technologie - voedseltechnologie - kennisniveau - kenvermogen - nanotechnology - consumer attitudes - attitudes - decision making - technology - food technology - knowledge level - cognition
    Together, the chapters in this thesis show that although the default is to rely on affect, in attitude formation toward unfamiliar attitude objects, people are able to draw on cognitive inferences provided that there are enough cues available (e.g. product context, high Need for Cognition, or being more often exposed). In addition, whether people rely on affect or cognition depends on which process is the easiest. The attitude component which is decisive in the attitude formation process requires the least elaborate process. This thesis contributes to a better process understanding as both affective-cognitive and deliberative-intuitive dimensions were simultaneously studied. Finally, it is concluded that attitudes toward unfamiliar attitude objects, in this case nanotechnology applications, are still subject to change. This has implications for communication about new technologies, as it is important to address both affective and cognitive aspects.
    Understanding consumer opinions toward nanotechnology
    Giesen, R.I. van - \ 2014
    Feeling and thinking: How do we form attitudes toward things we don’t know?
    Giesen, R.I. van; Fischer, A.R.H. ; Trijp, J.C.M. van - \ 2014
    Economic feasibility of an innovative, welfare and environmental friendly dairy husbandry system
    Winden, R.P.J. ; Giesen, G.W.J. ; Antonissen, H. ; Bos, A.P. ; Groot Koerkamp, P.W.G. - \ 2014
    ThegoalfortheDutchdairyproductionsectoristoproduceinintegratedsustainable productionsystemsthatinvolveeconomic,environmental,animalwelfareandsocietal aspects.TheKwatrijn dairy cow husbandry system was developed by entrepreneurs, Wageningen UR and farmers. The Kwatrijn concept incorporates integratedsolutions to achieve ahigher levelofanimalwelfare,loweremissions of ammoniaandimprovedintegrationofthebarninthelandscape.The measures include the segregation (keep urine and feces separated directly after excretion) of urine and feces,more spaceper cow,improvedfloorfunctionalityand newbarndesign.This research addresses the question how to segregate feces and urine (design study) and to assess the economic performance of Kwatrijn as compared to a traditional farm (modeling study). Thereflexiveinteractive designapproachwasusedtodesignand evaluate a system thatsegregatesurine andfeces inadairy barn. Design steps included 1) make a functionanalysis, 2) set stakeholderrequirementsforthedairyfarmer,dairycowandtheenvironment based (with literature), 3) identify workingprinciples (with patentsearchandliterature), 4) make complete designs concepts, 5) evaluate concepts (against requirements by experts).AneconomicsimulationmodelinExcelwas developed and usedtoassess theeconomicfeasibilityofaKwatrijndairyfarmwithamilkquotaof1,1 Mkg, and compared against aconventionaldairyfarm. Assumptions regarding herdperformance,variablecostsandfixedcosts were based on Dutch standards, and were included in a sensitivity analysis. The four designs for a urine and feces removing system were: 1) a simple low emitting floor above a slurry pit, with scraper to put urine and feces through trenches (as reference), 2) an advanced concreteprofiledfloorwithslopesthat quickly drain theurinethrough holes intodrainpipesunderneath to transport urine to a storage – an autonomous vehicle scoops up the feces, 3) as 2) but with a a v-shaped floor underneath for the transport of the urine, and 4) a porous top floor that drains off urine with a v-shaped closed floor underneath – an autonomous vehicle scoops and sucks up the feces. The four designs were respectively evaluated with 3.2, 4.1, 4.3, and 4.4 (scale 1-5). Evaluation criteria were soundlevel,technicallifetime,laborrequirements, energy usage, urineremoval efficiency, frictioncoefficientandroughness ofthefloor, ammonia emission. Thenetfarmincomefrom the operation of Kwatrijn wasapproximately€10.000.-lower than for the conventional farm.Thiswas partly caused by higherfixed
    Spatial rainfall data in open source environment
    Schuurmans, H. ; Verbree, J.M. ; Leijnse, H. ; Heeringen, K.J. van; Uijlenhoet, R. ; Bierkens, M.F.P. ; Giesen, N.C. van de; Gooijer, J. ; Houten, G.J. van den - \ 2013
    Since January 2013 The Netherlands have access to innovative high-quality rainfall data that is used for watermanagers. This product is innovative because of the following reasons. (i) The product is developed in a 'golden triangle' construction - corporation between government, business and research. (ii) Second the rainfall products are developed according to the open-source GPL license. The initiative comes from a group of water boards in the Netherlands that joined their forces to fund the development of a new rainfall product. Not only data from Dutch radar stations (as is currently done by the Dutch meteorological organization KNMI) is used but also data from radars in Germany and Belgium. After a radarcomposite is made, it is adjusted according to data from raingauges (ground truth). This results in 9 different rainfall products that give for each moment the best rainfall data. Specific knowledge is necessary to develop these kind of data. Therefore a pool of experts (KNMI, Deltares and 3 universities) participated in the development. The philosophy of the developers (being corporations) is that products like this should be developed in open source. This way knowledge is shared and the whole community is able to make suggestions for improvement. In our opinion this is the only way to make real progress in product development. Furthermore the financial resources of government organizations are optimized. More info (in Dutch): www.nationaleregenradar.nl
    Dutch national rainfall radar project: a unique cooperation
    Schuurmans, H. ; Verbree, J.M. ; Leijnse, H. ; Heeringen, K.J. van; Uijlenhoet, R. ; Bierkens, M.F.P. ; Giesen, N.C. van de; Gooijer, J. ; Houten, G.J. van den - \ 2013
    Since January 2013 Dutch watermanagers have access to innovative high-quality rainfall data. This product is innovative because of the following reasons. (i) The product is developed in a 'golden triangle' construction - corporation between government, business and research institutes. (ii) Second the rainfall products are developed according to the open-source GPL license. The initiative comes from a group of water boards in the Netherlands that joined their forces to fund the development of a new rainfall product. Not only data from Dutch radar stations (as is currently done by the Dutch meteorological organization KNMI) is used but also data from radars in Germany and Belgium. After a radarcomposite is made, it is adjusted according to data from raingauges (ground truth). This results in 9 different rainfall products that give for each moment the best rainfall data. This data will be used, depending on the end-user for several applications: (i) forecasts: input for flood early warning systems, (ii) water system analysis: hydrological model input, (iii) optimization: real time control and (iv) investigation of incidents: in case of flooding, who's responsible. The latter is mainly insight in the return period of heavy rainfall events. More info (in Dutch): www.nationaleregenradar.nl
    Puppy’s, needles and nanomedicine: How different (un)familiar attitude objects are mentally processed
    Giesen, Roxanne van - \ 2013
    Understanding the role of cognition and affect on consumer attitude formation toward (un)familiar attitude objects
    Giesen, R.I. van; Fischer, A.R.H. ; Dijk, H. van; Trijp, J.C.M. van - \ 2013
    Puppy’s, injectienaalden en attitudevorming: Een eye-tracking studie
    Giesen, R.I. van - \ 2013
    Stator, periodiek van VVS 3-4 (2013). - ISSN 1567-3383 - p. 17 - 20.
    Dagelijks vormen we attituden (meningen) over allerlei dingen zoals over politieke kwesties, auto’s of huisdieren. Attituden vormen we gedeeltelijk op basis van gevoel (affectief) of door er over na te denken (cognitief). Het vormen van zo’n attitude vraagt mentale inspanning, afhankelijk van het type attitude-object en het soort attitude dat gevormd wordt (affectief of cognitief). Een manier om de mate van mentale verwerking tijdens de attitudevorming te onderzoeken is met behulp van eyetracking. Dit is een psycho-fysiologische meetmethode die het mogelijk maakt om de onverstoorde verwerkingsprocessen te onderzoeken, en de mentale verwerking zelf niet beïnvloedt.
    Berichten van het Buys-Ballot herfstsymposium 2013
    Barbaro, E.W. ; Boer, A. van de; Giesen, R. ; Ligtenberg, S. ; Stap, L. ; Sterk, H.A.M. - \ 2013
    Meteorologica / Nederlandse Vereniging van Beroeps Meteorologen 22 (2013)4. - ISSN 0929-1504 - p. 12 - 13.
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