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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Determining Key Research Areas for Healthier Diets and Sustainable Food Systems in Viet Nam
Raneri, Jessica E. ; Kennedy, Gina ; Nguyen, Trang ; Wertheim-Heck, S.C.O. ; Haan, Stef de; Do, Ha Thi Phuong ; Nguyen, Phuong Hong ; Thi, Huong Le ; Mai, Truong Tuyet ; Duong, Thi Thanh Thuy ; Hung, Nguyen ; Nguyen, Tuan ; Huynh, Tuyen ; Nodari, Gulia Rota ; Spellman, Olga ; Talsma, Elise F. ; Stoian, Dietmar ; Duong, Minh-Cam ; Tran, Lam Nguyen ; Bene, Christophe - \ 2019
IFPRI (IFPRI Discussion Paper 1872) - 127 p.
food systems - diet - nutrition - agriculture
Vietnamese food systems are undergoing rapid transformation, with important implications for human and environmental health and economic development. Poverty has decreased, and diet quality and under-nutrition have improved significantly since the end of the Doi Moi reform period (1986-1993) as a result of Viet Nam opening its economy and increasing its regional and global trade. Yet poor diet quality is still contributing the triple burden of malnutrition, with 25 percent stunting among children under age 5, 26 percent and 29 percent of women and children, respectively, anemic, and 21 percent of adults overweight. Agricultural production systems have shifted from predominantly diverse smallholder systems to larger more commercialized and specialized systems, especially for crops, while the ‘meatification’ of the Vietnamese diet is generating serious trade-offs between improved nutrition and sustainability of the Vietnamese food systems. The food processing industry has developed rapidly, together with food imports, resulting in new and processed food products penetrating the food retail outlets, trending towards an increase in the Westernized consumption patterns that are shifting nutrition-related problems towards overweight and obesity and, with it, an increase of non-communicable disease-related health risks. While regulatory policies exist across the food system, these are not systematically implemented, making food safety a major concern for consumers and policy makers alike. Where data exists, it is not easy to aggregate with data from across food system dimensions, making it difficult for Viet Nam to make an informed analysis of current and potential food system trade-offs. In our research, we reviewed existing literature and data, and applied a food systems framework to develop an initial food systems profile for Viet Nam and to identify a comprehensive set a of research questions to fill current data gaps identified through the review. Insights on these would provide the comprehensive evidence needed to inform policy makers on how to develop new food systems policies for Viet Nam, and further refine and improve existing policies to achieve better quality diets and more sustainable food systems in Viet Nam. Based on these, we then engaged with stakeholders to develop research priorities in the Viet Nam context and identified 25 priority research questions. This paper aims to stimulate such reflections by clearly outlining key areas for research, government policy, and development programs on priority investment to build the evidence base around inclusive food systems interventions that aim to result in healthier diets and more sustainable food systems for Viet Nam.
Land use change and the migration geography of Greater White-fronted geese in European Russia
Grishchenko, Mikhail ; Prins, Herbert H.T. ; Ydenberg, Ronald C. ; Schaepman, Michael E. ; Boer, Willem F. de; Knegt, Henrik J. de - \ 2019
Ecosphere 10 (2019)8. - ISSN 2150-8925
agriculture - geese migration - land use change - political ecology - Russia - stopover sites

Large areas of agricultural land have been abandoned in European Russia since 1991, triggering succession toward more wooded landscapes, especially in northern regions where conditions for agriculture are more challenging. We hypothesize that this process has contributed to a southward shift by migratory Atlantic Greater White-fronted geese, as stopover sites in northern Russia became progressively less suitable. To test this hypothesis, we located stopover sites from information contained in 2976 ring recoveries and sightings of neck-collared geese. These records were divided into three time periods, chosen to reflect major changes in the economy and land use of European Russia: 1960–1990, 1991–2000, and 2001–2013. We used a kernel density estimator grid to delineate areas surrounding 300 putative stopover sites, and statistically evaluated the effects of latitude, distance to nearest waterbody, settlement, and period on stopover site usage by geese. Our results show that over the three periods, usage of the stopover sites has shifted southward, indicating that Greater White-fronted geese have shifted their migration pathway, with the greatest shift in the most recent period. This shift was confirmed by a highly significant squared latitude term and significant interaction term between periods. The nearest settlements showed no significant effect on stopover site usage while the nearest waterbody term was negative, suggesting higher waterbody densities contributed to higher densities of stopover sites. We attribute the shift to the successional reforestation of the Russian landscape that has followed widespread land abandonment, especially that following the break-up of the former USSR.

Cone index and surface soil moisture measurements in selected agricultural fields within the Raam and Twente soil moisture monitoring networks
Carranza, C.D. - \ 2019
agriculture - cone index - soil moisture - trafficability
This dataset covers cone index and surface soil moisture measurements over selected agricultural fields, which are also the sites of a few stations within the Raam and Twente soil moisture monitoring networks. A penetrologger (Eijkelkamp) with 1 cm diameter and 60 degree angle was used to collect cone index over the topsoil (upper 20 cm layer) and a TDR (TRIME-IMKO) was used to collect surface soil moisture (upper 5 cm layer). The data set covers 2016 and 2017 growing seasons.
Verdienmodellen natuurinclusieve landbouw: kennis in ontwikkeling
Polman, Nico - \ 2019
animal welfare - animal production - nature - agriculture
Gobernanza para la Adaptación basada en Ecosistemas (AbE) para pequeños caficultores de América Central
Vignola, Raffaele ; Otarola, Marco ; Alpizar, Francisco ; Rivera, Pavel - \ 2019
Agronomia mesoamericana 30 (2019)1. - ISSN 1021-7444 - p. 19 - 32.
climate change adaptation - environmental policies - network analysis - agriculture
Introduction. Agricultural practices based on good management of ecosystems are promoted as a good adaptation strategy for the productive activities of coffee smallholder farmers in the Central American region. The dissemination of information on innovations, techniques, instruments, etc. between organizations and producers is key to expand and consolidate the use of these practices. Objective. The objective of this study was to identify the structure of information-dissemination governance that can help expand and consolidate the use of Ecosystem-based Adaptation (EbA) practices in agriculture. Materials and methods. Three productive landscapes distributed in three countries
(Honduras, Guatemala and Costa Rica) were analysed, characterized by predominantly small-scale coffee growing farmers. For each of these landscapes, the actors that exchange information between the national scale and the level
of the producers were identified. Interviews were conducted to characterize the information flows and their possible relevance to promote EbA in the productive systems of coffee producers. Results. It was identified both key actors and gaps in the network of organizations that inhibit the transmission of information between scales and sectors. In Costa Rica, the capacity for intermediation of information across sectors and scales is spread between State entities and
competitive producer organizations. In Honduras, intermediation capacities are distributed among some civil society organizations that work at local levels closely with producers and governmental organizations that work at the national
level. In Guatemala, the intermediation capacities are mainly distributed among governmental, civil society and private organizations, mainly at the national level. Conclusion.The analysis of networks in these coffee landscapes suggests
that although all three countries have a similar institutionalization of the coffee sector, in two the dissemination of information to promote EbA would benefit at intermediate and local scales to promote learning among producers.
Circular agriculture has already started
Zanten, Hannah van; Boer, Imke de; Oenema, Oene ; Brussaard, Lijbert ; Sukkel, Wijnand ; Poppe, Krijn ; Scholten, Martin - \ 2018
agriculture - cycling - biobased economy - agricultural wastes - biomass - sustainability
De kringlooplandbouw is al begonnen
Zanten, Hannah van; Scholten, Martin ; Boer, Imke de; Oenema, Oene ; Brussaard, Lijbert ; Sukkel, Wijnand ; Poppe, Krijn - \ 2018
biobased economy - agriculture - cycling - farmers - biomass - agricultural wastes
Circular agriculture, a good idea?
Boer, Imke de - \ 2018
biobased economy - animal production - biomass - waste management - agriculture
Public lecture in Dutch with English subs. Imke de boer speaking also on behalf of Martin van Ittersum.
Limiting the high impacts of Amazon forest dieback with no-regrets science and policy action
Lapola, David M. ; Pinho, Patricia ; Quesada, Carlos A. ; Strassburg, Bernardo B.N. ; Rammig, Anja ; Kruijt, Bart ; Brown, Foster ; Ometto, Jean P.H.B. ; Premebida, Adriano ; Marengo, José A. ; Vergara, Walter ; Nobre, Carlos A. - \ 2018
Proceedings of the National Academy of Sciences of the United States of America 115 (2018)46. - ISSN 0027-8424 - p. 11671 - 11679.
adaptation - agriculture - ecosystem services - hydroelectricity generation - migration

Large uncertainties still dominate the hypothesis of an abrupt large-scale shift of the Amazon forest caused by climate change [Amazonian forest dieback (AFD)] even though observational evidence shows the forest and regional climate changing. Here, we assess whether mitigation or adaptation action should be taken now, later, or not at all in light of such uncertainties. No action/later action would result in major social impacts that may influence migration to large Amazonian cities through a causal chain of climate change and forest degradation leading to lower river-water levels that affect transportation, food security, and health. Net-present value socioeconomic damage over a 30-year period after AFD is estimated between US dollar (USD) $957 billion (×109) and $3,589 billion (compared with Gross Brazilian Amazon Product of USD $150 billion per year), arising primarily from changes in the provision of ecosystem services. Costs of acting now would be one to two orders of magnitude lower than economic damages. However, while AFD mitigation alternatives-e.g., curbing deforestation-are attainable (USD $64 billion), their efficacy in achieving a forest resilience that prevents AFD is uncertain. Concurrently, a proposed set of 20 adaptation measures is also attainable (USD $122 billion) and could bring benefits even if AFD never occurs. An interdisciplinary research agenda to fill lingering knowledge gaps and constrain the risk of AFD should focus on developing sound experimental and modeling evidence regarding its likelihood, integrated with socioeconomic assessments to anticipate its impacts and evaluate the feasibility and efficacy of mitigation/adaptation options.

How does agriculture contribute to food security?
Duncan, J.A.B. - \ 2018
Wageningen :
food security - agriculture
In this video we explain how agriculture contributes to our food security. And how it should be viewed: agriculture vs. food as the main viewpoint?
Groene dagbesteding in de stad: een levendige plek voor mensen met dementie : Factsheet
Buist, Y. ; Bruin, S. de; Vaandrager, L. ; Hassink, J. - \ 2018
Wageningen : Wageningen University & Research - 17 p.
health - well-being - nature - agriculture - participation
Framing and integration in the global forest, agriculture and climate change nexus
Soto Golcher, Cinthia ; Visseren-Hamakers, Ingrid - \ 2018
Environment and Planning C: Politics and Space 36 (2018)8. - ISSN 2399-6544 - p. 1415 - 1436.
agriculture - climate change - climate smart agriculture - framing - integration - Integrative Governance - Interplay management - REDD+

This article contributes to the debate on Integrative Governance by studying integration in the global forest–agriculture–climate change nexus. Since the 1990s, the role of the land-use sector, in particular forests and agriculture, has become increasingly prominent in climate change debates due to its vulnerability and its contribution to global greenhouse gas emissions. Addressing agriculture, climate change and forest policies in an integrated way could therefore create important synergies and reduce trade-offs. This article aims to analyse the extent of integration in current global governance in the nexus of agriculture, forests and climate change, and to explain this extent of integration. Based on the analysis of secondary data, participation in key events and semi-structured interviews, this article concludes that efforts to enhance integration have taken different forms for the different pairs of domains (climate change–agriculture, agriculture–forest, forest–climate change) as well as for the nexus of the three. Integration has been mainly enhanced through soft law, programmes and integrative approaches (e.g. landscape approach, climate smart agriculture, agroforestry). The analysis also shows that the extent of integration among the governance systems has differed. Interplay management efforts on forests and climate change have been relatively successful. Agriculture and forest, and agriculture and climate have low and modest levels of integration respectively, except adaptation in agriculture, which enjoys higher integration levels. Differences in integration can be explained by the medium to high degrees of legalization and the (in)compatibility of the dominant frames present in the different governance systems. Furthermore, our results show that integration in a governance system with a high degree of legalisation, and dominated by one regime, as is the case in climate change, presents important challenges. In such cases, integration might have greater potential outside the intergovernmental regime through soft law approaches.

Comparing impacts of climate change and mitigation on global agriculture by 2050
Meijl, Hans van; Havlik, Petr ; Lotze-Campen, Hermann ; Stehfest, Elke ; Witzke, Peter ; Domínguez, Ignacio P. ; Bodirsky, Benjamin L. ; Dijk, Michiel van; Doelman, Jonathan ; Fellmann, Thomas ; Humpenöder, Florian ; Koopman, Jason F.L. ; Müller, Christoph ; Popp, Alexander ; Tabeau, Andrzej ; Valin, Hugo ; Zeist, Willem J. van - \ 2018
Environmental Research Letters 13 (2018)6. - ISSN 1748-9318
adaptation - agriculture - climate change - economic models - mitigation - shared socioeconomic pathways

Systematic model inter-comparison helps to narrow discrepancies in the analysis of the future impact of climate change on agricultural production. This paper presents a set of alternative scenarios by five global climate and agro-economic models. Covering integrated assessment (IMAGE), partial equilibrium (CAPRI, GLOBIOM, MAgPIE) and computable general equilibrium (MAGNET) models ensures a good coverage of biophysical and economic agricultural features. These models are harmonized with respect to basic model drivers, to assess the range of potential impacts of climate change on the agricultural sector by 2050. Moreover, they quantify the economic consequences of stringent global emission mitigation efforts, such as non-CO2 emission taxes and land-based mitigation options, to stabilize global warming at 2 °C by the end of the century under different Shared Socioeconomic Pathways. A key contribution of the paper is a vis-à-vis comparison of climate change impacts relative to the impact of mitigation measures. In addition, our scenario design allows assessing the impact of the residual climate change on the mitigation challenge. From a global perspective, the impact of climate change on agricultural production by mid-century is negative but small. A larger negative effect on agricultural production, most pronounced for ruminant meat production, is observed when emission mitigation measures compliant with a 2 °C target are put in place. Our results indicate that a mitigation strategy that embeds residual climate change effects (RCP2.6) has a negative impact on global agricultural production relative to a no-mitigation strategy with stronger climate impacts (RCP6.0). However, this is partially due to the limited impact of the climate change scenarios by 2050. The magnitude of price changes is different amongst models due to methodological differences. Further research to achieve a better harmonization is needed, especially regarding endogenous food and feed demand, including substitution across individual commodities, and endogenous technological change.

Regional soil moisture monitoring network in the Raam catchment in the Netherlands - 2016-04 / 2017-04 (corrected)
Benninga, H.F. ; Carranza, C.D. ; Pezij, M. ; Ploeg, M.J. van der; Augustijn, D.C.M. ; Velde, R. van der - \ 2018
agriculture - hydrology - soil moisture - soil temperature - unsaturated zone - water management
What is water doing for us? | WURcast
Dijksma, R. - \ 2017
Wageningen :
rain - water - agriculture - drinking water - climatic change - nature
Data from: Legacy effects of diversity in space and time driven by winter cover crop biomass and nitrogen concentration
Barel, J.M. ; Kuijper, T.W.M. ; Boer, W. de; Douma, J.C. ; Deyn, G.B. de - \ 2017
crop rotation - soil oranic matter - soil mineral nitrogen - plant-feeding nematodes - plant-soil feedback - plant productivity - agroecology - winter cover crops - agriculture - plant diversity - Avena sativa - Cichorium endivia - Lolium perenne - Trifolium repens - Raphanus sativus - Vicia sativa
Plant diversity can increase nitrogen cycling and decrease soil-borne pests, which are feedback mechanisms influencing subsequent plant growth. The relative strength of these mechanisms is unclear, as is the influence of preceding plant quantity and quality. Here, we studied how plant diversity in space and time influences subsequent crop growth. During 2 years, we rotated two main crops (Avena sativa, Cichorium endivia) with four winter cover crop (WCC) species in monocultures and mixtures. We hypothesized that, relative to monocultures, WCC mixtures promote WCC biomass (quantity) and nitrogen concentration (quality), soil mineral nitrogen, soil organic matter, and reduce plant-feeding nematode abundance. Additionally, we predicted that preceding crops modified WCC legacies. By structural equation modelling (SEM), we tested the relative importance of WCC shoot biomass and nitrogen concentration on succeeding crop productivity directly and indirectly via nitrogen cycling and root-feeding nematode abundance. WCC shoot biomass, soil properties and succeeding Avena productivity were affected by first-season cropping, whereas subsequent Cichorium only responded to the WCC treatments. WCC mixtures’ productivity and nitrogen concentration showed over- and under-yielding, depending on mixture composition. Soil nitrogen and nematode abundance did not display WCC mixture effects. Soil organic matter was lower than expected after Raphanus sativus + Vicia sativa mixture. Subsequent Avena productivity depended upon mixture composition, whereas final Cichorium productivity was unresponsive to WCC mixtures. SEM indicated that WCC legacy effects on subsequent Avena (R2 = 0.52) and Cichorium (R2 = 0.59) productivity were driven by WCC biomass and nitrogen concentration, although not by the quantified soil properties. Synthesis and applications. Through understanding plant–soil feedback, legacy effects of plant species and species mixtures can be employed for sustainable management of agro-ecosystems. Biomass and nitrogen concentration of plants returned to the soil stimulate subsequent plant productivity. Winter cover crop quantity and quality are both manipulable with mixtures. The specificity of spatial and temporal diversity effects warrants consideration of plant species choice in mixtures and rotations for optimal employment of beneficial legacy effects.
FACCE ERA-GAS 1st Research Programme Meeting, 10-11 October 2017, Wageningen
Keulen, Herman van - \ 2017
FACCE - ERA-GAS - Greenhouse gas - GHG - agriculture - Silviculture - Forestry
The first FACCE ERA-GAS Research Programme Meetingmeeting was organised by Wageningen University & Research with support from the Irish Agriculture and Food Development Authority (Teagasc). The purpose of the meeting was to officially launch the ten new research projects funded by the 2016 FACCE ERA-GAS joint call. The aim of these projects is to develop solutions to reduce greenhouse gas (GHG) emissions from agriculture and forestry and improve national GHG inventories.
Regional soil moisture monitoring network in the Raam catchment in the Netherlands - 2016-04 / 2017-04
Benninga, H.F. ; Carranza, C.D. ; Pezij, M. ; Ploeg, M.J. van der; Augustijn, D.C.M. ; Velde, R. van der - \ 2017
agriculture - hydrology - soil moisture - soil temperature - unsaturated zone - water management
The Raam soil moisture measurement network dataset contains soil moisture and soil temperature measurements for 15 locations in the Raam, which is a 223-km2 river catchment in the southeast of the Netherlands. The network monitors soil moisture in the unsaturated zone for different soil textures and land covers present in the area, and it covers the topographic gradient of the region. At each location we installed Decagon 5TM sensors at depths of 5 cm, 10 cm, 20 cm, 40 cm and 80 cm. The logging time interval is set on 15 minutes. The Raam network is operational since April 2016 and the measurements are on-going.
Invloed van vaste rijpaden op de bodem
Balen, D.J.M. van - \ 2017
BIOpraktijk
landbouw - biologische landbouw - akkerbouw - grondbewerking - bodemdeeltjes - bodemverdichting - bodemsamenstelling - bodemstructuur - grondbewerking gericht op bodemconservering - bodemkwaliteit - rijspoorverdichtingen - verdichting - agriculture - organic farming - arable farming - tillage - aggregates - soil compaction - soil composition - soil structure - conservation tillage - soil quality - tractor pans - compaction
Landbewerking: video over de invloed van vaste rijpaden op de bodem
Perspectieven voor de afzet van (fosfaat-verarmd) zuiveringsslib naar de landbouw
Regelink, Inge ; Ehlert, Phillip ; Römkens, Paul - \ 2017
Wageningen : Wageningen Environmental Research (Wageningen Environmental Research rapport 2819) - 75
afvalwater - rioolslib - besmetters - zware metalen - mest - fosfaten - landbouw - afvalhergebruik - waste water - sewage sludge - contaminants - heavy metals - manures - phosphates - agriculture - waste utilization
Het project heeft als doel om nieuwe afzetroutes te formuleren waarbij zuiveringsslib op een duurzame wijze wordt verwerkt tot meststoffen en bodemverbeteraars zodat waardevolle nutriënten en organische stof worden hergebruikt.
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