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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Participation through place-based e-tools : A valuable resource for urban green infrastructure governance?
Steen Møller, Maja ; Olafsson, Anton ; Vierikko, Kati ; Sehested, Karina ; Elands, Birgit ; Buijs, Arjen ; Konijnendijk van den Bosch, Cecil - \ 2018
Urban Forestry and Urban Greening (2018). - ISSN 1618-8667 - 9 p.
Digital tools - E-tools - Participatory governance - Place - Urban Green space

Digital communication tools for information sharing are being increasingly used in governance, including green space governance and natural resource management and planning. Citizens’ resources in the form of knowledge, skills, as well as their collaboration with authorities have been identified in the governance literature as crucial elements in sustainable development. Technical advancement in internet communication technology (ICT) presents novel opportunities for engaging and leveraging civic knowledge and skills into different levels of governance. These options are still largely unexplored in governance research on urban green infrastructure (UGI). In this paper, we analyse three different digital tools (e-tools) from the perspective of a Scandinavian planning context. We explore how e-tools can support UGI governance and the perceived barriers. The e-tools explored are three digital platforms with a focus on public participation related to UGI. The three e-tools are map-based, i.e., users share information on digital maps: so-called Volunteered Geographic Information. Here, we call them place-based e-tools. We explore and analyse their adoption into UGI governance, the institutional contexts that affect them and also discuss potential of e-tools in place-based governance. Our findings indicate that the analysed tools all facilitate UGI governance in terms of engaging citizens in use, management, and planning of UGI. However, there are challenges to be aware of, such as the digital divide and the importance of clear participatory frameworks. We conclude that place-based e-tools have potential for UGI governance and that there is potential to strengthen links to ‘place’, while continuously testing and challenging new opportunities as technology rapidly develops.

Editorial: Algal technologies for wastewater treatment and resource recovery :
Muñoz, Raul ; Temmink, Hardy ; Verschoor, Anthony M. ; Steen, Peter Van Der - \ 2018
Water Science and Technology 78 (2018)1. - ISSN 0273-1223 - 2 p.
Development of food fraud media monitoring system based on text mining
Bouzembrak, Y. ; Steen, B. ; Neslo, R. ; Linge, J. ; Mojtahed, V. ; Marvin, H.J.P. - \ 2018
Food Control 93 (2018). - ISSN 0956-7135 - p. 283 - 296.
EMA - Food adulteration - HorizonScan - MedISys - RASFF

Food fraud is receiving considerable attention with the growing body of literature that recognises its importance. No system exists that collects media reports on food fraud. In this study, we used the infrastructure provided by the European Media Monitor (EMM), in particular it's MedISys portal for this purpose. We developed a food fraud tool (MedISys-FF) that collects, processes and presents food fraud reports published world-wide in the media. MedISys-FF is updated every 10 min 24/7. Food fraud reports were collected with MedISys-FF for 16 months (September 2014 to December 2015) and benchmarked against food fraud reports published in Rapid Alert for Food and feed (RASFF), Economically Motivated Adulteration Database (EMA) and HorizonScan. The results showed that MedISys-FF collects food fraud publications with high relevance >75% and the top 4 most reported fraudulent commodities in the media were i) meat, ii) seafood, iii) milk and iv) alcohol. These top stories align with those found in RASFF and EMA but differences in frequency are apparent. Analysis of the collected articles can help understanding food fraud issues in the origin countries and can facilitate the development of control measures and to detect food fraud in the food supply chain.

Mosaic governance for urban green infrastructure: Upscaling active citizenship from a local government perspective
Buijs, Arjen ; Hansen, Rieke ; Jagt, Sander Van Der; Ambrose-Oji, Bianca ; Elands, Birgit ; Lorance Rall, Emily ; Mattijssen, Thomas ; Pauleit, Stephan ; Runhaar, Hens ; Stahl Olafsson, Anton ; Steen Møller, Maja - \ 2018
Urban Forestry and Urban Greening (2018). - ISSN 1618-8667 - 10 p.
Compact urban development, social demands and austerity measures are increasing pressures on urban greenspace. Meanwhile, active citizens, defined as voluntary individuals or groups who self-organize to contribute to urban green space development, provide ecological and social benefits to urban societies. This has inspired local governments to seek collaborations with non-state actors, including active citizens. However, the diverging aims, place-specific focus, and varying expertise of active citizenship may inhibit its contribution to ecological connectivity and upscaling beyond the local scale.
In this paper, we investigate how “mosaic governance” has potential as a framework for understanding active citizenship, its potential for upscaling and its relationship to strategic UGI planning. Using the policy arrangements approach, we analyse the role of discourse, resources, actors and rules of the game in the upscaling of active citizenship. Based on eight empirical cases from seven European cities, we analyse the diversity of collaborations between local governments and active citizens in greenspace development.
The cases show how active citizens can significantly contribute to UGI planning and implementation, for example by developing large parks with volunteers or designing a network of green corridors. The cases reveal multiple ways citizens and local governments benefit from collaborations, as well as different pathways for upscaling innovative discourses and practices from local communities to formal policy or to other cities. To enable upscaling, UGI planning needs to combine long-term, more formalized and higher-scale strategic approaches with more incremental approaches that correspond with localized, fragmented and informal efforts of local communities. While collaborations between municipalities and active citizenship is not without its difficulties, the examples of upscaling in our cases demonstrate the transformative power active citizens may have towards a more green, just and democratic city.
The Perfect Match: Simultaneous Strawberry Pollination and Bio-Sampling of the Plant Pathogenic Bacterium Erwinia pyrifoliae by Honey Bees Apis mellifera
Steen, Sjef van der; Bergsma-Vlami, M. ; Wenneker, M. - \ 2018
Sustainable Agriculture Research 7 (2018)1. - ISSN 1927-050X - p. 25 - 32.
In this study we show that honey bee colonies placed in a greenhouse for pollination of strawberry can simultaneously be used to indicate the presence of the plant pathogenic bacterium Erwinia pyrifoliae. This was demonstrated by using two methods of qualitative sacrificial and non-sacrificial bio sampling of the honey bee colony. A novel method for non-sacrificial subsampling, named the Beehold device, was applied. Applying the Beehold device did not disturb or affect negatively the honey bee colony. The study demonstrated that the integration of pollination service and bio-sampling functioned. In the sacrificially derived honey bee subsamples, E. pyrifoliae was detected prior to any visible infection in the plant; however, E. pyrifoliae was detected via non-sacrificial sampling at the same time as plant infection was first observed. The Beehold device is a practical tool for monitoring plant pathogens via forager bees during flowering until fruit onset, but is not as sensitive as directly sampling honey bees.
Lagere overleving bijenvolken tijdens afgelopen winter
Steen, Sjef van der - \ 2017
Nationaal programma Honing 2017 - 2019 : Bijenhouderij met toekomst: naar weerbare bijen en minder bijensterfte
Dooremalen, J.A. van; Blacquiere, T. ; Cornelissen, A.C.M. ; Steen, J.J.M. van der - \ 2017
Wageningen : Wageningen University & Research
Report Honeybee Surveillance Program the Netherlands 2016 - 2017
Biesmeijer, Koos ; Steen, J.J.M. van der - \ 2017
Leiden : Naturalis - 50 p.
Varroabestrijding op stand
Steen, Sjef van der - \ 2017
BO-43-011.03-002
College Nationaal honingprogramma 2017-2019
Minder stenen in de stad kan levens redden
Lenzholzer, Sanda - \ 2017

Op plekken in steden waar veel verharding is, zoals steen, ontstaan in warme periodes hitteplekken. Door te zorgen voor meer groen, kun je in steden levens redden.

Epidemiology of Erwinia pyrifoliae, a new pathogen on strawberry in the Netherlands
Wenneker, M. ; Bergsma-Vlami, M. ; Steen, J.J.M. van der - \ 2017
In: 8th International Strawberry Symposium. - International Society for Horticultural Science (Acta Horticulturae ) - ISBN 9789462611528 - p. 721 - 726.
Bacterial disease - Fire blight - Honeybees

During the late spring of 2013 strawberry plants (Fragaria × ananassa Duch. 'Elsanta') were showing an intense blackening of their immature fruits, their fruit calyxes and the peduncule were found at several locations (greenhouses) in The Netherlands. Symptoms include brown petals, green young fruits turning brown, malformed fruits and bacterium slime (ooze) formation on the surface of the young fruits. Fruits did not develop or were in many cases heavily malformed. In certain cases 40% of the crop was lost. Isolations from these symptomatic immature strawberry fruits yielded Erwinia-like colonies on YPG (yeast peptone glucose) agar. The isolates differed biochemically from E. amylovora and they were closely related to biochemical profiles of the Erwinia pyrifoliae reference strain LMG 25888. The isolates were further identified as E. pyrifoliae based on the real time PCR assay. Pathogenicity of several isolates was tested and confirmed on potted strawberry plants ('Elsanta' and 'Selva'). Honeybees from pollinating colonies were tested to detect E. pyrifoliae in a flowering strawberry greenhouse cultivation. Host range, mechanisms of survival and spread of this new Erwinia species on strawberry will be discussed.

Three years of banning neonicotinoid insecticides based on sub-lethal effects : Can we expect to see effects on bees?
Blacquière, Tjeerd ; Steen, Sjef van der - \ 2017
Pest Management Science 73 (2017)7. - ISSN 1526-498X - p. 1299 - 1304.
Exposure and dose - Honey bees - Neonicotinoids - Pesticide ban - Pollinator declines
The 2013 EU ban of three neonicotinoids used in seed coating of pollinator attractive crops was put in place because of concern about declining wild pollinator populations and numbers of honeybee colonies. It was also concluded that there is an urgent need for good field data to fill knowledge gaps. In the meantime such data have been generated. Based on recent literature we question the existence of recent pollinator declines and their possible link with the use of neonicotinoids. Because of temporal non-coincidence we conclude that declines of wild pollinators and of honeybees are not likely caused by neonicotinoids. Even if bee decline does occur and if there is a causal relationship with the use of neonicotinoids, we argue that it is not possible on such short term to evaluate the effects of the 2013 ban. In order to supply future debate with realistic (field) data and to discourage extrapolating the effects of studies using overdoses that are not of environmental relevance, we propose - in addition to field studies performed by the chemical industry - to use the 'semi-field worst case' treated artificial diet studies approach to free flying colonies in the field. This kind of study may provide realistic estimates for risk and be useful to study realistic interactions with non-pesticide stressors.
Lage sterfte van Nederlandse honingbijenvolken deze winter: 6,5%
Steen, Sjef van der; Toussaint, Erik - \ 2016
De volgende stap : Sturen met maatschappelijke energie in het natuurdomein
Boonstra, F.G. ; Steen van der, Marijn ; Arnouts, R.C.M. ; Scherpenisse, Jorren ; Jong, Ilsa de - \ 2016
Den Haag : NSoB Nederlandse School voor Openbaar Bestuur - ISBN 9789075297546 - 64 p.
Gebruiker samenvatting en leeswijzer van “Report Honeybee Surveillance Program the Netherlands, 2015 – 2016”
Steen, J.J.M. van der; Knoben, Nieke ; Biesmeijer, K. - \ 2016
Wageningen : Bijen@wur - 3 p.
Report Honeybee Surveillance Program the Netherlands
Biesmeijer, Koos ; Steen, J.J.M. van der - \ 2016
Leiden : Naturalis - 35 p.
Het Vlaams Imkercongres 2016
Steen, J.J.M. van der - \ 2016
Bijenhouden 10 (2016)8. - ISSN 1877-9786 - p. 23 - 24.
Active citizenship for urban green infrastructure : fostering the diversity and dynamics of citizen contributions through mosaic governance
Buijs, Arjen E. ; Mattijssen, Thomas J.M. ; Jagt, Alexander P.N. van der; Ambrose-Oji, Bianca ; Andersson, Erik ; Elands, Birgit H.M. ; Steen Møller, Maja - \ 2016
Current Opinion in Environmental Sustainability 22 (2016). - ISSN 1877-3435 - p. 1 - 6.

Active citizens may contribute to the environmental, social, and institutional resilience of cities. This review discusses how citizen initiatives protect biodiversity hotspots, contribute to social cohesion, institutional innovation, and diversity in urban green space management. Challenges related to social inclusiveness, ecological connectivity and continuity suggest government involvement is pertinent, but needs to be refocused. To maximise environmental outcomes of active citizenship, governments may adopt an enabling and stimulating governance style that harnesses the transformative potential of active citizenship. This paper argues for mosaic governance to work with the heterogeneous array of people, institutions, and spatial practices associated with active citizenship. Mosaic governance aims for a context-sensitive way of urban green infrastructure planning, enhancing relationships between the diversity of landscapes and communities across cities.

Epidemiology of Erwinia pyrifoliae, a new pathogen on strawberry in the Netherlands
Wenneker, M. ; Bergsma-Vlami, M. ; Steen, J.J.M. van der - \ 2016
In: Book of abstracts, 8th International Strawberry Symposium International Society for Horticultural Science - p. 73 - 73.
Honeybee colonies for crop pollination and bio-sampling of plant pathogens : Early detection of Erwinia pyrifoliae in strawberry with the honeybee colony
Steen, Sjef van der; Bergsma-Vlami, M. ; Kogel, W.J. de; Wenneker, M. - \ 2016
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