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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Addendum: The FAIR Guiding Principles for scientific data management and stewardship
Wilkinson, Mark D. ; Dumontier, Michel ; Aalbersberg, Ijsbrand Jan ; Appleton, Gabrielle ; Axton, Myles ; Baak, Arie ; Blomberg, Niklas ; Boiten, Jan Willem ; Silva Santos, Luiz Bonino Da; Bourne, Philip E. ; Bouwman, Jildau ; Brookes, Anthony J. ; Clark, Tim ; Crosas, Mercè ; Dillo, Ingrid ; Dumon, Olivier ; Edmunds, Scott ; Evelo, Chris T. ; Finkers, Richard ; Gonzalez-Beltran, Alejandra ; Gray, Alasdair J.G. ; Groth, Paul ; Goble, Carole ; Grethe, Jeffrey S. ; Heringa, Jaap ; Hoen, Peter A.C. 't; Hooft, Rob ; Kuhn, Tobias ; Kok, Ruben ; Kok, Joost ; Lusher, Scott J. ; Martone, Maryann E. ; Mons, Albert ; Packer, Abel L. ; Persson, Bengt ; Rocca-Serra, Philippe ; Roos, Marco ; Schaik, Rene van; Sansone, Susanna Assunta ; Schultes, Erik ; Sengstag, Thierry ; Slater, Ted ; Strawn, George ; Swertz, Morris A. ; Thompson, Mark ; Lei, Johan van der; Mulligen, Erik van; Velterop, Jan ; Waagmeester, Andra ; Wittenburg, Peter ; Wolstencroft, Katherine ; Zhao, Jun ; Mons, Barend - \ 2019
Scientific Data 6 (2019). - ISSN 2052-4463

The FAIR Guiding Principles for scientific data management and stewardship : Comment
Wilkinson, Mark D. ; Dumontier, Michel ; Aalbersberg, Ijsbrand Jan ; Appleton, Gabrielle ; Axton, Myles ; Baak, Arie ; Blomberg, Niklas ; Boiten, Jan Willem ; Silva Santos, Luiz Bonino Da; Bourne, Philip E. ; Bouwman, Jildau ; Brookes, Anthony J. ; Clark, Tim ; Crosas, Mercè ; Dillo, Ingrid ; Dumon, Olivier ; Edmunds, Scott ; Evelo, Chris T. ; Finkers, Richard ; Gonzalez-Beltran, Alejandra ; Gray, Alasdair J.G. ; Groth, Paul ; Goble, Carole ; Grethe, Jeffrey S. ; Heringa, Jaap ; Hoen, Peter A.C. 't; Hooft, Rob ; Kuhn, Tobias ; Kok, Ruben ; Kok, Joost ; Lusher, Scott J. ; Martone, Maryann E. ; Mons, Albert ; Packer, Abel L. ; Persson, Bengt ; Rocca-Serra, Philippe ; Roos, Marco ; Schaik, Rene van; Sansone, Susanna Assunta ; Schultes, Erik ; Sengstag, Thierry ; Slater, Ted ; Strawn, George ; Swertz, Morris A. ; Thompson, Mark ; Lei, Johan van der; Mulligen, Erik van; Velterop, Jan ; Waagmeester, Andra ; Wittenburg, Peter ; Wolstencroft, Katherine ; Zhao, Jun ; Mons, Barend - \ 2016
Scientific Data 3 (2016). - ISSN 2052-4463

There is an urgent need to improve the infrastructure supporting the reuse of scholarly data. A diverse set of stakeholders-representing academia, industry, funding agencies, and scholarly publishers-have come together to design and jointly endorse a concise and measureable set of principles that we refer to as the FAIR Data Principles. The intent is that these may act as a guideline for those wishing to enhance the reusability of their data holdings. Distinct from peer initiatives that focus on the human scholar, the FAIR Principles put specific emphasis on enhancing the ability of machines to automatically find and use the data, in addition to supporting its reuse by individuals. This Comment is the first formal publication of the FAIR Principles, and includes the rationale behind them, and some exemplar implementations in the community.

Inter-firm coordination in the Mexican avocado (Persea americana) industry: the packer-buyer relationship
Arana Coronado, J.J. ; Bijman, J. ; Omta, S.W.F. ; Oude Lansink, A.G.J.M. - \ 2012
Agrociencia / Colegio de Postgraduados * Programa de Genetica I R E G E P 46 (2012). - ISSN 1405-3195 - p. 189 - 203.
seller relationships
Vertical coordination is an effective response to uncertainties in marketing environments. This article presents evidence relating the influence of transaction characteristics on interfirm coordination to respond what conditions determine the level of inter-firm coordination between packers and buyers. Based on transaction cost analysis, we measured inter-firm coordination using two variables, information exchange and duration of the arrangement with the buyer. Data were gathered from 44 non-forwardly integrated packers participating in the Mexican avocado (Persea americana) industry. We showed that higher levels of interfirm coordination not only require coordinated response, but also cooperative response. Although information exchange is contingent on the magnitude of asset specificity and presence of environmental uncertainty, duration of the arrangement between packer and buyers has been a main factor to explain reduction of opportunism associated to the fulfillment of the arrangement, as well as the presence of higher levels of information exchange when asset specificity is significant. As a result, packers with higher levels of inter-firm coordination have increased sales and reduced stock outs. Key words: environmental uncertainty, inter-firm coordination, information exchange, duration.
Supply chain practices, performance and organizational configuration in the Mexican avocado industry
Arana Coronado, J.J. - \ 2010
Wageningen University. Promotor(en): Onno Omta; Alfons Oude Lansink, co-promotor(en): Jos Bijman. - [S.l.] : S.n. - ISBN 9789085857006 - 151
agro-industriële sector - landbouwindustrie - voedselketens - avocado's - prestatieniveau - voedselkwaliteit - voedselverpakking - minimale bewerking - mexico - ketenmanagement - agro-industriële ketens - economische organisatietheorie - agroindustrial sector - agribusiness - food chains - avocados - performance - food quality - food packaging - minimal processing - mexico - supply chain management - agro-industrial chains - economic organization theory
Recent changes in agrifood supply chains, such as the need for quality improvement and control, enhanced information exchange, and increased customer responsiveness, have made the introduction of Supply Chain Practices (SCPs) essential. Adopting practices such as product standardization, supplier partnerships and IT driven information exchange have resulted in higher supply chain efficiency and economic performance. Producers, traders and processors are able to obtain better control over production and distribution processes, improve and assure quality, obtain more reliable supply, and rationalize logistic processes in the supply chain.
While most research on the introduction of SCPs has focused on the potential benefits, little research has been conducted on the conditions under which these benefits are obtained. Earlier studies have called attention to the complexity associated to adoption of SCPs or the specificity of the assets involved and the uncertainty of the context in which the transactions take place. These studies only begin to inform us on the institutional and organizational conditions that favour the application of new SCPs. To obtain better insight in the contingencies affecting the adoption of SCPs in agrifood supply chains, particularly in fresh produce chains, this thesis has studied the introduction of SCPs in the avocado industry in Mexico.
The possibility to export to the USA and the concomitant introduction of strict phytosanitary requirements have led to a number of specific supply chain challenges for the Mexican avocado industry, such as the need to enhance product quality, create reliable supply, and improve coordination between supply chain actors. In addition, as avocado is a seasonal product, the industry is faced with specific supply chain challenges such as large variation in the demand for transportation, storage and packaging facilities, making logistic planning more complicated. Within this context, we investigated which SCPs have been adopted to respond to the specific supply chain challenges, what type of contractual arrangements have been used to facilitate the adoption of SCPs, and what features of the relationships between supply chain actors enable a better performance.
The overall objective of this thesis is to explain the relationship between supply chain practices and inter-organizational arrangements, and to explain how particular combinations of supply chain practices and inter-organizational arrangements result in better performance in the Mexican avocado industry. To achieve this objective we have collected data from producers and buyers in the Mexican avocado industry on three key constructs: inter-organizational relationships, supply chain practices, and performance. By analysing the interaction among these constructs we seek to contribute to both a theoretical and practical understanding of the organizational practices that enhance quality performance in a supply chain context. For the analysis, three theoretical approaches have been used: Supply Chain Management, Transaction Cost Economics, and Organization Theory.

Supply chain challenges and supply chain practices
Analysis of agrifood supply chains originating from developing countries has focused on aspects such as quality and safety of products and reliability of supply. Consistent product quality and compliance with complex food safety and phytosanitary standards are required when exporting to high demanding markets. Particular supply chain practices such as product standardization, supplier partnership and information exchange can be used to enhance quality, guarantee safety, and improve coordination between supply and demand.
Chapter 2 describes and analyses the technical and organizational solutions that packers in the Mexican avocado industry have introduced in dealing with the main supply chain challenges. The focus in this chapter is on the role of the packer in introducing supply chain practices. The main research strategy used for this chapter has been the case study.
We show in Chapter 2 that avocado packers have introduced the following supply practices: product standardization, information exchange, and supplier partnership. Product standardization has been adopted to obtain reliable supply and improve quality. Coordination has been used by packers to improve the management of demand. Partnerships between producers and packers and between packers and buyers have been important organisational solutions in dealing with the supply chain challenges of obtaining uniform product quality and improving reliability of supply.

Contractual arrangements and food quality standards
Quality is now a key variable in marketing strategies in food chains. Quality improvement often requires transaction-specific investments and tight coordination among transactors. Difficult-to-measure quality attributes imply asymmetric information between buyers and suppliers of food products, while consumer and governments request more information on all processes in the supply chain. A key development in food chains is the shift from market governance towards more contractual and hierarchical governance.
Chapter 3 analyzes of the types of contractual arrangements that avocado producers have been using in adopting particular quality standards in the Mexican avocado industry. A survey among 122 avocado producers in the state of Michoacán was used to obtain information on quality standards and contractual arrangements, and a bivariate probit regression model was used for the analysis.
Our findings indicate that the type of contractual arrangement is important for the adoption of specific quality standards, and safeguarding specific assets is confirmed as a primary driver of governance structure choice. Specifically, adopting arrangements based on information exchange and expectation of continuity has been an important prerequisite to adopt high quality standards such as Organic, US-GAP or Global-GAP.

Relationship characteristics and performance
Relationship building has been found to be important governance mechanism for reducing the propensity of opportunistic behaviour. Recently, more depth has been brought into the discussion by disentangling which relationship characteristics function as safeguards for specific investments and which can be considered coordination devices.
Chapter 4 seeks to analyse how characteristics of the producer-packer relationship affect producer performance. The analysis is based on the same survey among 122 avocado producers. We show that relationship characteristics influence performance through different paths. Whereas expectation of continuity affects payment uncertainty and thereby indirectly influences yield and product quality, information exchange directly affects these performance measures. In contrast, we found that buyer commitment did not significantly affect behavioural uncertainty of the producers. We conclude that while expectation of continuity only has an impact on performance through reducing the propensity of opportunistic behaviour, information exchange can explain improved performance based on better efficiency and planning of current and future product needs between partners.

Inter-firm coordination between packers and buyers
Inter-firm coordination has become a subject of considerable managerial interest. Several studies have found that vertical coordination is an effective response to the uncertainties of changing market environments. However, other authors have argued that higher levels of inter-firm coordination increase the hazard posed to the sellers’ specific investments. Therefore, the analysis of inter-firm coordination requires evaluation of aligning actions as well as aligning interests between parties.
Chapter 5 studies the interaction between packers and their customers. The chapter presents an analysis of the conditions that affect the level of inter-firm coordination between packers and their buyers. The analysis is based a survey among 44 packers in the Mexican avocado industry.
We conclude that inter-firm coordination based on information exchange and expectation of continuity is an important governance mechanism to facilitate aligning actions and to safeguard specific assets between sellers and buyers when substantial environmental uncertainty is present. In addition, we found that inter-firm coordination has a significant positive impact on performance. Whereas a high expectation of continuity reduced sellers’ stock outs, information exchange improved sellers’ sales and performance.


Supply Chain Management in the Mexican avocado industry: the role of the packer
Arana Coronado, J.J. ; Bijman, J. ; Omta, S.W.F. ; Oude Lansink, A.G.J.M. - \ 2008
Modified-atmosphere storage under subatmospheric pressure and beef quality: II. Color, drip, cooking loss, sarcomere length, and tenderness
Smulders, F.J.M. ; Hiesberger, J. ; Hofbauer, P. ; Dogl, B. ; Dransfield, E. - \ 2006
Journal of Animal Science 84 (2006)9. - ISSN 0021-8812 - p. 2456 - 2462.
pork
Beef has a requirement for refrigerated storage up to 14 d to achieve adequate aging and a tender product. To achieve this aging with little spoilage and no surface drying, vacuum packaging is attractive, because it is inherently simple and offers a clear indication to the packer when the process has failed or there is risk of spoilage. However, there is increasing pressure on the meat industry to limit the use of packaging materials in view of their cost and the cost involved in their recovery and recycling. The purpose of this report was to evaluate an alternative storage system in containers using modified atmospheres at reduced pressure (approximately 25 kPa). The quality of the meat for both container- and vacuum-packed treatments was measured during chilled storage for up to 3 wk. Storage time had the most significant effect on quality characteristics, irrespective of the packaging method. Storage in containers under a 70%N-2:30%CO2 gas mixture gave characteristics similar to beef stored under vacuum. Storage in containers under 100% CO2 produced less drip loss than under 70%N-2:30%CO2, but generally container storage produced 3 times as much drip loss as vacuum packaging. Shear force of the LM was unaffected by the type of packaging, and at d 2 after slaughter (i.e., before the storage trial was begun), sarcomere lengths of muscles intended for container storage were similar to those destined for vacuum storage. During the packaging treatment, the comparison between the storage systems was always done within 1 animal using one carcass-half for container storage and the other half for vacuum packaging; all bulls were shackled from the left hindleg during bleeding. The majority of the muscles from the left sides had lower shear force values than those from the right sides at the earlier storage times (2 and 9 d after slaughter) but had similar values after longer storage (16 and 23 d after slaughter). This is the first report that shackling beef carcasses from the left side can result in more tender meat in the LM from that side. The increased tenderness in the LM from the shackled side probably resulted from an early decrease in pH and an increase in calpain activity after mechanical strain of the muscles on the shackled side. This effect of shackling should be taken into account when designing systematic comparisons of tenderness in beef.
Plant- soil biota interactions and spatial distribution of black cherry in its native and invasive ranges
Reinhart, K.O. ; Packer, A. ; Putten, W.H. van der; Clay, K. - \ 2003
Ecology Letters (2003)6. - ISSN 1461-023X - p. 1046 - 1050.
Phosphatidylcholine transfer protein: model for lipid-protein interactions and probe for membrane research
Wirtz, K.W.A. ; Visser, A.J.W.G. ; Kamp, J.A.F. op den; Roelofsen, B. ; Deenen, L.L.M. van - \ 1985
In: Recent advances in biological membrane studies: Structure and biogenesis, oxidation and energetics / Packer, L., - p. 29 - 43.
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