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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Tourism innovation by hundling practices : a genealogy of the 'Zeelandpas' destination card
Derriks, T. ; Duim, V.R. van der; Peters, K.B.M. - \ 2019
In: Theories of Practice in Tourism / James, Laura, Ren, Carina, Halkier, Henrik, Oxxon : Routledge - ISBN 9781138061705 - p. 115 - 132.
Eco-innovation for sustainable tourism transitions as a process of collaborative co-production: the case of a carbon management calculator for the Dutch travel industry
Buijtendijk, Harald ; Blom, Juultje ; Vermeer, Jorien ; Duim, V.R. van der - \ 2018
Journal of Sustainable Tourism 26 (2018)7. - ISSN 0966-9582 - p. 1222 - 1240.
Eco-innovations that reduce carbon emissions help advance sustainability
transitions in tourism. This article examines the analytical potential of actor-
network theory (ANT) to study eco-innovation. ANT assumes that reality
consists of actor-networks made of human and non-human elements that
perform actors as network effects. We argue that, in a time when climate
change is the simultaneous product and producer of human actions, eco-
innovation is better understood when research gives the human and non-
human elements that perform eco-innovations equal analytical treatment.
We therefore develop an ANT-inspired framework, which we apply in a
case study to investigate the development of a specific eco-innovation:
CARMACAL, a web-based carbon management application in the Dutch
travel industry. We find that technological novelty alone is insufficient to
instigate transition. CARMACAL affords multiple new practices with oppos-
ite implications for socio-economic and environmental sustainability. The
practices triggering most industry support are least effective in addressing
tourism's climate impacts and vice versa. Examining eco-innovation
through ANT helps us put eco-innovation in a different light. Seemingly
contradictory practices may be mutually supportive: their individual
strengths and weaknesses may help prevent the failure of eco-innovations.
This new possibility opens the way for concerted policies strengthening the
contribution of eco-innovations to sustainability transitions.
't was hier fantastisch
Duim, Rene van der - \ 2018
Homologous recombination between genetically divergent campylobacter fetus lineages supports host-associated speciation
Gilbert, Maarten J. ; Duim, Birgitta ; Graaf-van Bloois, Linda van der; Wagenaar, Jaap A. ; Zomer, Aldert L. - \ 2018
Genome Biology and Evolution 10 (2018)3. - ISSN 1759-6653 - p. 716 - 722.
Campylobacter fetus - Homologous recombination - Host association - Reptile - Speciation - Whole genome sequencing

Homologous recombination is a major driver of bacterial speciation. Genetic divergence and host association are important factors influencing homologous recombination. Here, we study these factors for Campylobacter fetus, which shows a distinct intraspecific host dichotomy. Campylobacter fetus subspecies fetus (Cff) and venerealis are associated with mammals, whereas C. fetus subsp. testudinum (Cft) is associated with reptiles. Recombination between these genetically divergent C. fetus lineages is extremely rare. Previously it was impossible to show whether this barrier to recombination was determined by the differential host preferences, by the genetic divergence between both lineages or by other factors influencing recombination, such as restriction-modification, CRISPR/Cas, and transformation systems. Fortuitously, a distinct C. fetus lineage (ST69) was found, which was highly related to mammal-associated C. fetus, yet isolated from a chelonian. The whole genome sequences of two C. fetus ST69 isolates were compared with those of mammal- and reptile-associated C. fetus strains for phylogenetic and recombination analysis. In total, 5.1-5.5% of the core genome of both ST69 isolates showed signs of recombination. Of the predicted recombination regions, 80.4% were most closely related to Cft, 14.3% to Cff, and 5.6% to C. iguaniorum. Recombination from C. fetus ST69 to Cft was also detected, but to a lesser extent and only in chelonian-associated Cft strains. This study shows that despite substantial genetic divergence no absolute barrier to homologous recombination exists between two distinct C. fetus lineages when occurring in the same host type, which provides valuable insights in bacterial speciation and evolution.

Campylobacter blaseri sp. Nov., isolated from common seals (Phoca vitulina)
Gilbert, Maarten J. ; Zomer, Aldert L. ; Timmerman, Arjen J. ; Spaninks, Mirlin P. ; Rubio-García, Ana ; Rossen, John W. ; Duim, Birgitta ; Wagenaar, Jaap A. - \ 2018
International Journal of Systematic and Evolutionary Microbiology 68 (2018)5. - ISSN 1466-5026 - p. 1787 - 1794.
Average nucleotide identity - Campylobacter - Common seal - Core genome phylogeny - Microbiome - Novel species
During a study to assess the faecal microbiome of common seals (Phoca vitulina) in a Dutch seal rehabilitation centre, 16S rRNA gene sequences of an unknown Campylobacter taxon were identified. Campylobacter isolates, which differed from the established Campylobacter taxa, were cultured and their taxonomic position was determined by a polyphasic study based on ten isolates. The isolates were characterized by 16S rRNA and atpA gene sequence analyses and by conventional phenotypic testing. Based on the whole genome sequences, the average nucleotide identity and core genome phylogeny were determined. The isolates formed a separate phylogenetic clade, divergent from all other Campylobacter taxa and most closely related to Campylobacter corcagiensis, Campylobacter geochelonis and Campylobacter ureolyticus. The isolates can be distinguished phenotypically from all other Campylobacter taxa based on their lack of motility, growth at 25 °C and growth on MacConkey agar. This study shows that these isolates represent a novel species within the genus Campylobacter, for which the name Campylobacter blaseri sp. nov. is proposed. The type strain for this novel species is 17S00004-5T (=LMG 30333T=CCUG 71276T).
Duurzaam Toerisme
Duim, Rene van der - \ 2018
Female tourism entrepreneurs in Zanzibar : An enactment perspective
Maliva, Nelly ; Bulkens, Maartje ; Peters, Karin ; Duim, René Van Der - \ 2018
Tourism, Culture & Communication 18 (2018)1. - ISSN 1098-304X - p. 9 - 20.
Enactment - Female tourism entrepreneurs - Gender - Weick - Zanzibar
Although gender has become an established research topic in tourism studies over the last decades, the role of religion in relation to women participating in tourism has been less explored. Moreover, gender has been mainly discussed from a Western perspective, while other viewpoints have received little attention. By focusing on women participating in the tourism industry in Zanzibar we make a contribution to both voids in tourism studies. This article provides an account of how Zanzibari women working in tourism are confronted with particular constraints brought about by the Islamization of Swahili culture. Moreover, it is argued that whereas women find themselves bound up by particular Islamic norms and values, they are able through the enactment of their environments to challenge, negotiate, and resist these. In so doing they create the freedom to make their own choices, which, as will be shown, reach beyond their labor position. The research findings are discussed in terms of the concept of enactment as proposed by Weick in 1995 and explore the ability of women to participate in the construction of their own environment. The article concludes by arguing that women enact their environments in diverse ways, and how these environments are understood by them as either constraining or enabling them in taking over agency over their lives.
Case Study Zanzibar: Climate Change and Tourism in Zanzibar: Interrogating Impacts and Interventions
Duim, V.R. van der; Said, Thani ; Muzaini, H.B. - \ 2018
In: Global Climate Change and Global Tourism. Recognizing Problems, Managing Solutions and Future Expectations / Jones, A., Philips, M., Wallingford : CABI International - ISBN 9781780648439 - p. 300 - 311.
Co-Creating Tourism Research : Towards Collaborative Ways of Knowing
Ren, Carina ; Jóhannesson, Gunnar Thór ; Duim, V.R. van der - \ 2018
Routledge - ISBN 9781138228191 - 188 p.
Co-creation has become a buzzword in many social science disciplines, in business and in tourism studies. Given the prominence of co-creation, surprisingly little discussion has evolved around its implications for research practices and knowledge production as well as what challenges there are for fulfilling the promise of co-creation in tourism research.
This book aims to contribute to this discussion by addressing how tourism research comes together as a collaborative achievement and by exploring different ways of collaborative knowledge production in tourism research. It is structured to offer, on one hand, an introduction to the ontological basis for collaborative research and, on the other hand, a set of empirical examples of how collaborative knowledge creation can inform tourism design, management, policy and education.
The theoretical accounts and empirical cases of this book display how research collaborations can offer modest, local yet often impactful insights, traces and effects. It therefore will be of value for students, researchers and academics in tourism studies as well as the wider social sciences.
Co-creation of tourism knowledge
Ren, Carina ; Duim, V.R. van der; Jóhannesson, Gunnar Thór - \ 2018
In: Co-Creating Tourism Research / Ren, Carina, Jóhannesson, Gunnar Thór, van der Duim, René, Routledge - ISBN 9781138228191 - p. 1 - 10.
Balancing values: co-creation in and out of academia
Duim, V.R. van der; Jóhannesson, Gunnar Thór ; Ren, Carina - \ 2018
In: Co-Creating Tourism Research / Ren, Carina, Jóhannesson, Gunnar Thór, van der Duim, René, Routledge - ISBN 9781138228191 - p. 11 - 23.
Participatory landscape designing for tourism planning: the case of Murter Island, Croatia
Brinkhuijsen, M. ; Ateljevic, I. ; Duim, V.R. van der; Koens, Dion ; Berg, Luuk van den - \ 2018
In: Co-Creating Tourism Research / Ren, Carina, Jóhannesson, Gunnar Thór, van der Duim, René, Routledge - ISBN 9781138228191 - p. 73 - 95.
Towards a collaborative manifesto: configurations of tourism knowledge co-creation
Ren, Carina ; Duim, V.R. van der; Jóhannesson, Gunnar Thór - \ 2018
In: Co-Creating Tourism Research / Ren, Carina, Jóhannesson, Gunnar Thór, van der Duim, René, Routledge - ISBN 9781138228191 - p. 179 - 183.
Methicillin-resistant Staphylococcus pseudintermedius among dogs in the description of novel SCCmec variants
Duim, Birgitta ; Verstappen, Koen M.H.W. ; Kalupahana, Ruwani S. ; Ranathunga, Lakmali ; Fluit, Ad C. ; Wagenaar, Jaap A. - \ 2018
Veterinary Microbiology 213 (2018). - ISSN 0378-1135 - p. 136 - 141.
S. pseudintermedius - SCCmec variants - Sri Lanka - ΨSCCmec
The presence and genetic characteristics of methicillin-resistant Staphylococcus pseudintermedius (MRSP) in Sri Lanka was investigated to add additional insight into global spread, emergence and evolution of MRSP. A total of 234 samples from dogs visiting veterinary clinics were cultured for staphylococci and the genomes of the MRSP isolates were sequenced, to identify resistance genes, the multilocus sequence types (MLST) and spa types. From a questionnaire the history of antimicrobial treatment and patient information was obtained. S. pseudintermedius was isolated from 116/229 samples, eight of these were MRSP. Six MRSP CC45 isolates contained a pseudo-SCC element ΨSCCmec57395. Two isolates belonging to ST429 (CC761) and ST121 (CC121) contained novel variants of the SCCmec Type V(T) element. The elements were designated SCCmecV(T)SL/066, that carried additional transposon-related genes, and SCCmecV(T)SL/154 that carried a type III restriction-modification system, a type 7 ccr gene complex, and a cadA coding sequence. Thirty-seven percent of the dogs received antimicrobial treatment at the time of sampling of which four dogs were MRSP-positive. The proportion of MRSP among S. pseudintermedius is low compared to other countries, despite the fact that in Sri Lanka antimicrobials for treatment of dogs are available over the counter. Important is the finding of novel type V(T) SCCmec elements, which further underlines the high recombination frequency of SCC elements. The ΨSCCmec57395 was found in isolates of CC45, which is the only sequence type of MRSP known to contain this pseudo-cassette.
The battle over the benefits: analysing two sport hunting policy arrangements in Uganda
Ochieng, A. ; Visseren-Hamakers, I.J. ; Duim, V.R. van der - \ 2018
Oryx 52 (2018)2. - ISSN 0030-6053 - p. 359 - 368.
In 2001 sport hunting was reintroduced in Uganda around Lake Mburo National Park, and in 2008 at Kabwoya and Kaiso-Tonya Game Management Area, to derive economic benefits for communities and thus reduce human–wildlife conflict and change communities’ attitudes towards wildlife. We used the policy arrangement approach to analyse and compare the development of the two sport hunting policy arrangements. Through interviews and document review we learned that the arrangement at Lake Mburo changed considerably over time, whereas that at Kabwoya remained relatively stable. The two policy arrangements started with small constellations of actors but turned out to be complex arenas, mainly involving disagreement regarding the benefits. Land ownership proved to be a crucial factor in explaining the differences between the arrangements. Our results also show that benefits do not change communities’ attitudes towards conservation, thus questioning incentive-based policies for conservation. We argue for a careful analysis of the complex social, cultural and political contexts in which conservation and development policies are implemented, to better understand their outcomes.
Floating markets in Thailand: same, same, but different
Pongajarn, C. ; Duim, V.R. van der; Peters, K.B.M. - \ 2018
Journal of Tourism and Cultural Change 16 (2018)2. - ISSN 1476-6825 - p. 109 - 122.
In the last 60 years floating markets in Thailand, traditionally serving as central places for trade and exchange of agricultural products, have disappeared, were displaced or reappeared as tourism destinations. By making use of insights from actor-network theory, this study shows how floating markets in Thailand reorganize people, canals, boats, homes, fruits, vegetables and souvenirs in certain and multiple ways. Our comparison of five floating markets (Damnernsaduak, Thaka, Amphawa, Bang Namphueng and Pattaya) illustrates that floating markets in Thailand differ in terms of actors, buyers and vendors, products and objects, time and space. They sustained over time because they were able to adapt to new circumstances.
Destinations past, present and future : ATLAS Reflections 2017
Duim, V.R. van der; Onderwater, L. ; Veldman, J. - \ 2017
ATLAS Association for Tourism and Leisure Education - 63 p.
Staphylococcus aureus nasal colonization differs among pig lineages and is associated with the presence of other staphylococcal species
Verstappen, Koen M. ; Willems, Eveline ; Fluit, Ad C. ; Duim, Birgitta ; Martens, Marc ; Wagenaar, Jaap A. - \ 2017
Frontiers in Veterinary Science 4 (2017)JUN. - ISSN 2297-1769
Colonization - Methicillin-resistant S. aureus - Pigs - Staphylococci - Staphylococcus aureus
Staphylococcus aureus is a common colonizer in pigs, with methicillin-resistant S. aureus (MRSA) in particular being a potential health risk to humans. To reduce the exposure to humans, the colonization in pigs should be reduced. The aim of this study was to quantitatively compare the susceptibility of pig lineages for S. aureus colonization, and if the absence of S. aureus could be associated with the presence or absence of other staphylococcal species. Nasal samples (n = 129) were obtained from seven different pig lineages in the Netherlands, France, and Germany. S. aureus and other staphylococci were enumerated from these samples by real-time (RT)-PCR and culture. Associations were explored between the presence of S. aureus and other staphylococci. S. aureus was detected by RT-PCR on all farms and in samples from pigs of all lineages. Twenty-five percent of the pigs from lineage F (from two farms) were colonized with S. aureus, while in all other lineages it was more than 50% (p < 0.01). Moreover, in S. aureus-positive samples from pigs of lineage F smaller amounts of S. aureus were found than in other lineages. Staphylococcus sciuri, Staphylococcus cohnii, and Staphylococcus saprophyticus were usually not found in combination with S. aureus in these samples. In conclusion: (i) pigs from different genetic lineages have different susceptibilities for colonization with S. aureus. These pigs might contain a genetic factor influencing nasal colonization. (ii) Colonization of S. aureus is also associated with the absence of S. sciuri, S. cohnii, or S. saprophyticus. (iii) The farm environment seems to influence the presence of S. aureus in pigs.
Tourism destination development in Thailand
Pongajarn, Chalermpat - \ 2017
University. Promotor(en): Rene van der Duim, co-promotor(en): Karin Peters. - Wageningen : Wageningen University - ISBN 9789463437981 - 123
thailand - actor-network theory - social geography - cultural sociology - case studies - tourism development - tourism research - actor-network theorie - sociale geografie - cultuursociologie - gevalsanalyse - ontwikkeling van toerisme - toeristisch onderzoek

Informed by actor-network theory (ANT), this research aims at improving understanding of the nature of tourism destinations in Thailand and their development by investigating through three main notions: ordering, materiality and multiplicity. These notions enabled to study how tourism destinations in Thailand develop: how they are ordered and constructed, as well as how they hold their agency as tourism destinations through processes of re-negotiation and re-enactment. By employing ANT and its ontological perspective, tourism destinations are seen as fractionally coherent, or as ordering effects, which develop through, in and by heterogeneous networks. Consequently, tourism destinations are not set in stone. They are multiple things at once, and their configurations and development patterns cannot be foretold. By employing ANT, this study challenged the conventional approach to tourism destination development by underlining complexity rather than viewing these destinations as being static. Instead of aiming to provide general design principles or recommendations, this thesis provides an insight on tourism destination development in Thailand by studying three destinations: Pai, Pattaya, and the floating markets of Damnernsaduak, Thaka, Ampawa, Pattaya and Bang Numpheung.

Raw pet food as a risk factor for shedding of extended-spectrum beta-lactamase-producing Enterobacteriaceae in household cats
Baede, Valérie O. ; Broens, Els M. ; Spaninks, Mirlin P. ; Timmerman, Arjen J. ; Graveland, Haitske ; Wagenaar, Jaap A. ; Duim, Birgitta ; Hordijk, Joost - \ 2017
PLoS One 12 (2017)11. - ISSN 1932-6203
Background: Close contact between pets and owners provides the opportunity for transmission of antimicrobial resistant organisms like extended-spectrum beta-lactamase (ESBL)/AmpC beta-lactamase (AmpC)-producing Enterobacteriaceae, posing a risk to public health. Objectives: To investigate whether raw feed is a risk factor for household cats to shed ESBL-producing Enterobacteriaceae, a cohort study was designed. Additionally, raw and non-raw commercial pet food products were screened for the presence of ESBL-producing Enterobacteriaceae. Methods: Weekly fecal samples of 17 cats in the control group and 19 cats in the exposed group were collected for three weeks and analyzed for the presence of ESBL-producing Enterobacteriaceae. Questionnaires were obtained to determine additional risk factors. Fecal samples were cultured on MacConkey agar supplemented with 1 mg/L cefotaxime. PCR and sequence analysis was used for screening for ESBL genes in suspected isolates. Pet food samples were cultured in LB broth supplemented with 1 mg/L cefotaxime and processed as described above. Results: In the cohort study, ESBL-producing bacteria were isolated from 3 of 51 (5.9%) samples in the control group compared to 37 of 57 (89.5%) samples in the exposed group. A significant association was found between ESBL shedding and feeding raw pet food products (OR = 31.5). No other risk factors were identified in this study. ESBL-producing Enterobacteriaceae were isolated from 14 of 18 (77.8%) raw pet food products and 0 of 35 non-raw pet food products. Conclusions: This study shows a strong association between shedding of ESBL-producing bacteria in household cats and feeding raw pet food. Raw pet food was often contaminated with ESBL-producing Enterobacteriaceae.
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