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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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    Platforms in Power: Householder Perspectives on the Social, Environmental and Economic Challenges of Energy Platforms
    Smale, R. ; Kloppenburg, S. - \ 2020
    Sustainability 12 (2020)2. - ISSN 2071-1050 - 16 p.
    energy platform - decentralised energy transition - energy exchange - households - energy storage - participation - public engagement
    New business models and digital infrastructures, in the form of ‘energy platforms’, are emerging as part of a transition towards decarbonised, decentralised, and digitised energy systems. These energy platforms offer new ways for householders to trade or exchange energy with other households or with energy system actors, but also bring along challenges. This paper examines how householders engage with potential environmental, social, and economic opportunities and risks of energy platforms. We convened two serious-game style workshops in which Dutch frontrunner householders assumed the role of platform members and were challenged to deliberate about different scenarios and issues. The workshop results, while explorative in nature, are indicative of a willingness to pursue energy system integration rather than autarky or grid defection. The idea of energy platforms as vehicles for energy justice appealed less to the householders, although the participants were moderately interested in sharing surplus renewable energy. Finally, environmental motivations were of key importance in householders’ evaluation of different platform types. This shows that in the role of energy platform members, householders can engage with both the community and the grid in new and different ways, leading to a diversity of possible outcomes for householder engagement.
    The social dynamics of smart grids : On households, information flows & sustainable energy transitions
    Naus, Joeri - \ 2017
    Wageningen University. Promotor(en): G. Spaargaren, co-promotor(en): B.J.M. van Vliet; H.M. van der Horst. - Wageningen : Wageningen University - ISBN 9789463436977 - 234
    households - sustainable energy - energy consumption - supply - energy policy - netherlands - huishoudens - duurzame energie - energiegebruik - aanbod - energiebeleid - nederland

    In international climate and energy policy the development of smart grids features as a critical new step in the transition towards a sustainable energy future. Smart grids enable two-way energy and information exchange between households and energy providers. Drawing on social practice theories, transition theories and informational governance, this thesis seeks to shed light on the changes that are taking place at the level of households: How do householders understand, handle and use new information flows? How can we conceptualise the interplay between households and smart energy systems? And what does this mean for householder participation in smart energy transitions? The thesis suggests that the key to understanding and governing the social dynamics of smart grids lies in the ‘Home Energy Management-practices’ (HEM-practices) that are emerging at the interface between households and wider energy systems.

    Agricultural extension, technology adoption and household food security : evidence from DRC
    Santos Rocha, Jozimo - \ 2017
    Wageningen University. Promotor(en): E.H. Bulte, co-promotor(en): M.M. van den Berg. - Wageningen : Wageningen University - ISBN 9789463434485 - 231
    agricultural extension - technology - adoption - food security - households - development economics - agricultural production - knowledge transfer - congo democratic republic - landbouwvoorlichting - technologie - adoptie - voedselzekerheid - huishoudens - ontwikkelingseconomie - landbouwproductie - kennisoverdracht - democratische republiek kongo

    In this thesis, I use experimental and quasi-experimental data from 25 villages and a total of 1,105 farmers from eastern DRC to investigate the relationship among agricultural training, the adoption of agricultural technologies, crop productivity, and household food insecurity and dietary diversity. I present evidence that contributes to narrow the gap in the literature on the role of input subsidies fostering small-scale farmers' uptake of productivity-enhancing technologies, how farmer field school and farmer-to-farmer trainings affect the adoption of agricultural technologies, how F2F training may reduce the costs of FFS implementation, how adoption materializes on yields of food crops, and how training through the adoption of improved agricultural technologies impacts household food insecurity and the diet diversification of target households.

    As a complement to econometric evidence and in order to understand the main findings, I also discuss behavioral features and farmer driven initiatives which somehow condition these impacts. Throughout the four main chapters, I identify practical implications that are highly important for the design and implementation of new programs and policies aimed to address agricultural productivity issues and reduce household food insecurity. In Chapter 1 I develop a general introduction to the research which discusses the evolution of agricultural extension in the last few decades, and describe FFS and F2F training methodologies. Chapter 2 provides a detailed description of the project intervention, technologies promoted, research settings and the data collection process. In Chapter 3, I report the results of an experimental study that analyses the impact of one-shot input starter packs on the adoption of productivity-enhancing complementary practices, which have the potential to maximize the impact of starter pack inputs. Additionally, I assess the levels of persistence on farmers’ use of improved crop seeds which are included in the starter packs. Overall, I find no evidence of starter packs’ impact on small-scale farmers’ adoption of productivity-enhancing technologies. Similarly, the levels of persistence regarding the use of seeds following the delivery of starter packs were not significant. These results are consistent with studies that have found minimal or no persistence on the use of inputs following the provision of subsidies, including Duflo, Kremer et al. (2011). The limited impact that starter packs had on yields in the first year may logically explain that farmers refrained from using improved seeds subsequently because the inputs are not economically attractive.

    Chapter 4 studies the effectiveness of knowledge transmission from farmers trained in FFS through farmer-to-farmer training (F2F), which could potentially result in lower extension costs and higher impacts. I find that FFS training has a higher impact than F2F training in the first period, but the magnitude of the treatment effect in the second period is not statistically different between the two training methods. I argue that the dissemination of technologies promoted in FFS groups can well be formalized through farmer-to-farmer deliberate training attached to the FFS approach. Given the low costs of F2F training compared to FFS, the introduction of F2F training may substantially alleviate a major constraint to the large-scale introduction of FFS as a training method, its high costs.

    In Chapter 5, I study the impact of farmer’s participation in FFS and F2F training on small-scale agricultural productivity. A multi-crop yield-index and the yields of cassava were used as impact indicators. The results indicate that both FFS and F2F trainings contribute to a significant increase in farmers’ yields, especially in the second period when the magnitude of the effect substantially increased. We also learned that the effect size does not differ between the two training approaches in neither period, suggesting that F2F communications are a suitable alternative or complement to FFS training. While the chapter was unable to confirm if training materializes in higher yields through technology adoption, I argue that in the context of the sample the adoption of productivity-enhancing practices and inputs are likely the most important impact mechanism.

    I also study the relationship between agricultural training, the adoption of improved technologies and household food insecurity. I find that farmers’ participation in agricultural trainings has a positive effect, through the adoption of improved technologies, on improvements in household dietary diversity (HDDS). Nonetheless, the impact on household access to food (HFIAS) is less evident. These results suggest that FFS/F2F training can well reduce household food insecurity, which is mostly achieved through the adoption of improved agricultural technologies. Yet, there are farm and household specific factors which constrain how training impacts technology adoption and how adoption affect household food insecurity and diet diversification. In Chapter 7, I synthesize the results of the four main chapters and articulate the sequence of results from training to adoption to productivity to food security.

    Género y toma de decisiones en el hogar en pueblos rurales de Laos : implicancias para los medios de vida en desarrollo hidroeléctrico
    Weeratunge, Nireka ; Joffre, Olivier ; Senaratna Sellamuttu, Sonali ; Bouahom, Bounthanom ; Keophoxay, Anousith - \ 2016
    Gender, Place & Culture : a Journal of Feminist Geography 23 (2016)11. - ISSN 0966-369X - p. 1599 - 1614.
    decision-making - Gender - households - hydropower development - Lao PDR - livelihoods

    Hydropower development with concomitant changes in water and land regimes often results in livelihood transformation of affected people, entailing changes in intra-household decision-making upon which livelihood strategies are based. Economic factors underlying gender dimensions of household decision-making have been studied rigorously since the 1970s. However, empirical data on gender and decision-making within households, needed for evidence-based action, remain scarce. This is more so in hydropower contexts. This article explores gender and livelihood-related decision-making within rural households in the context of hydropower development in Lao PDR. Based on a social well-being conceptual approach with data from a household survey and qualitative interviews, it focuses on household decisions in an ethnic minority resettlement site soon after displacement, from an interpretive perspective. The article, first, aims to assess the extent to which household decision-making is gendered and secondly, to understand the complex reasoning behind household decisions, especially the relevance of material, relational, and subjective factors. It argues that while most household decisions are ostensibly considered as ‘joint’ in the study site, the nuanced nature of gendered values, norms, practices, relations, attitudes, and feelings underlying these decisions are important to assessing why households might or might not adopt livelihood interventions proposed by hydropower developers.

    Disentangling the domestic contract : understanding the everyday-life construction of acceptability -or non-acceptability- of keeping and killing animals for food
    Nijland, Hanneke J. - \ 2016
    Wageningen University. Promotor(en): Cees van Woerkum; Noelle Aarts. - Wageningen : Wageningen University - ISBN 9789462578296 - 325
    meat - vegetarians - vegetarianism - vegetarian diets - killing of animals - meat animals - meat production - households - environmental impact - sustainability - animal welfare - animal production - animal ethics - food - dairy cattle - beef cattle - pigs - poultry - broilers - hens - vlees - vegetariërs - vegetarisme - vegetarische diëten - doden van dieren - slachtdieren - vleesproductie - huishoudens - milieueffect - duurzaamheid (sustainability) - dierenwelzijn - dierlijke productie - dierethiek - voedsel - melkvee - vleesvee - varkens - pluimvee - vleeskuikens - hennen

    When we were children learning the names of animals, farm utensils and food products from picture books, talking about farming animals and related food products appeared simple. However, the intricate realities of modern-day farming practices differ momentously from this primary reference - the picture books. The topic brings about polarized responses, both rationally and emotionally, reflecting very diverse outlooks on the world. This dissertation reports on a research, set in the Netherlands and Turkey, that was designed to improve our understanding of the everyday-life construction of the acceptability -or non-acceptability- ofkeeping and killing animals for food, or in other words: to disentangle the domestic contract.

    Gender, households and reintegration: everyday lives of returned migrant women in rural northern Ghana
    Tufuor, Theresa ; Sato, Chizu ; Niehof, Anke - \ 2016
    Gender, Place & Culture : a Journal of Feminist Geography 23 (2016)10. - ISSN 0966-369X - p. 1480 - 1495.
    gender - Ghana - households - livelihood strategy - reintegration - Returned migrant women

    Since the late 1990s, migration of single women from the rural north to the urban south in Ghana has been making up a growing share of migrant streams. While the livelihood strategies of these migrant women in their southern destinations have been recently examined, the experience of reintegration for those who return to their place of origin has rarely been studied. Drawing on qualitative research with migrant women, returned migrant women (RMW) and their family members, this study examines everyday reintegration experiences of RMW within their households in a rural Dagomba community in Northern Region, Ghana. We conceptualise the household as an arena of everyday life wherein RMW exercise agency to learn to generate livelihoods that support their own as well as household members’ joint well-being. We combine this conceptualisation of household with feminist scholars’ recognition of gender as situated process. Our conceptualisation makes it possible to illuminate gender dynamics around the everyday repetitive decision-making acts that constitute livelihood generation as performed by RMW within specific intra-household dynamics in the context of reintegration in the situated community. Through the examination of the diverse and contradictory ways in which RMW exercise agency in making decisions about livelihood strategies within their households in the studied community, we show how the everyday repetitive acts of RMW contribute to micro-transformations of a situated gender ideology.

    Community based fish culture in the public and private floodplains of Bangladesh
    Mahfuzul Haque, A.B. - \ 2015
    Wageningen University. Promotor(en): Leontine Visser, co-promotor(en): M.M. Dey. - Wageningen : Wageningen University - ISBN 9789462574533 - 166
    stroomvlakten - visteelt - ontwikkelingsstudies - ontwikkelingseconomie - samenleving - huishoudens - bangladesh - zuid-azië - floodplains - fish culture - development studies - development economics - society - households - bangladesh - south asia

    Seasonal floodplains are water bodies that retain water for 5-6 months during which they are suitable to grow fish and other aquatic animals. Out of 2.8 million ha of medium and deep-flooded areas, about 1.5 million ha are estimated to be suitable for Community-Based Fish Culture (CBFC). WorldFish had undertaken a five-year interdisciplinary action research project from 2005-2010 with the overall aim of enhancing the productivity of seasonally occurring floodwaters for the improved and sustained benefit of the livelihoods of the poor. My involvement in this project was as PhD Scholar from 2007-2009 for understanding the different and complex institutional arrangements and its overall impact of governing Community-Based Fish Culture in seasonal floodplains for the sustainable use and maximization of benefits to the targeted people of Bangladesh.

    Six seasonal floodplains in different areas of Bangladesh were selected under the action research project implemented by the Department of Fisheries in collaboration with the Bangladesh Agricultural Research Council and the Bangladesh Fisheries Research Institute. For the action research which is the subject of this thesis, three seasonal floodplains were selected in the Brahamaputra, the Padma and the Teesta River Basins located at Mymensingh, Rajshahi and Rangpur districts, respectively. Another three floodplains were selected as control sites in the same river basins located near to the projects sites. The control sites were included in the economic study (Chapters 4 and 5) only. All the six floodplains belong to two types of ownership categories: public floodplains surrounded by private lands.

    My thesis is broadly divided into a sociological and an economic part, mainly because of methodological differences. Chapter 2 and Chapter 3 discuss the institutional arrangements and the power and decision-making process of Community-Based Fish Culture management. Chapter 4 addresses the overall economic impact of technical and institutional arrangements of fish culture at both floodplain and household levels. We here employed a random effects model to estimate the impact of participation on fish income. Finally, in Chapter 5 the economic impact of community-based fish culture on expenditure inequality was measured at household level.

    In the sociological part, three project floodplains covered the different institutional arrangements for managing the floodplains and maximizing their benefits to different classes of beneficiaries. Power relations between the various key actors or stakeholders were assessed who were directly or indirectly involved in the floodplain, and decision making processes in co-management practices were also studied at different institutional levels. Sociological research methods and techniques including semi-structured interviews, Focus Group Discussions, informal discussions with key informants, and
    quantitative surveys were applied to gather data from Floodplain Management Committees, villagers and institutional stakeholders to investigate the use of the floodplain as a common property resource (CPR) and the processes of the formation of local institutions and organizations.

    For the economic analysis of Chapter 4 and Chapter 5, three project floodplains and three control floodplains were selected for comparing the impact of the intervention at beneficiary level and also community level. Household survey data includes a baseline survey on socioeconomic information, three months monitoring on seasonal and monthly basis at community and household levels, as well as an assessment of the floodplains’ natural resource systems. The seasonal survey covered the changes in input use for crop production, changes in quality of output from the agricultural land and the effects of the intervention on crop production. A monthly survey on the 1st and 15th day of the month was conducted to capture the household consumption pattern, especially the frequency and quantity of fish and meat consumption.

    Chapter 2 improves our understanding of the complex institutional relationships governing Community-Based Fish Culture in seasonal floodplains in Bangladesh. Formal institutional linkages between DoF, WorldFish Center and the Bangladesh Agricultural Research Council (BARC) played a key role in ensuring success. DoF is a government institution with establishments at different administrative levels. Institutional embedding of DoF through the Fishers Cooperatives (FMC) as implementing institutions appeared highly instrumental. Large numbers of people, including landless poor seasonal fishers, professional landowning fishers, and non-fishing landowners benefited from the successful implementation of the CBFC activities in the floodplains. The outcomes demonstrate a significant increase in income to all classes of beneficiaries through income sharing derived from their involvement in the fisheries cooperatives and fish culture.

    In case 2 and case 3 the floodplains under private ownership privately owned land is inundated during the monsoon season; these floodplains are similar in size, with comparable percentages of beneficiaries and similar numbers of communities surrounding the floodplains. However, the distribution of beneficiaries among the classes differs with more landowners than landless seasonal fishers benefitting. FMCs normally allow these non-members to access the floodplains, but only to harvest un-stocked fish using local gears, considering the importance of fishing to their livelihood. This means that the CPR character of the management by the FMCs shows a certain permissiveness or permeable boundary regarding landless non-members under strict spatial and temporal conditions. Regulation and conservation thus guarantee the availability of un-stocked small fish in the floodplains with a high catch by artisanal gears which results in higher incomes and related benefits to the poorer households. Households who own land or ditches in the floodplains do not depend on un-stocked fish as they can have ponds to trap and harvest fish obtained in the wild. Additionally, during the dry season, they may use land in lowland areas for crop production.

    Case 1 of the public floodplain surrounded by private lands differs most from the private floodplain cases. Here, the public area is leased out to fishers during the monsoon, including the private land owned by the affluent and politically influential stakeholders. The floodplain is larger than in the other two cases, but both the percentages of landless fishers and of landowners are lower, making the class of the landowning professional fishers the majority among the beneficiaries.

    Generally, the rules and regulations that apply to public and privately owned floodplains are written down in a Memorandum of Understanding between DoF and the individual FMC’s in a non-judicial construction. In their regular meetings the FMCs also document the everyday practices of the rules related to fish culture and management in the minutes that are distributed among its members. It appears that in the three cases, comparable rules and regulations for fish culture are applied to the public and to the private floodplains in operational rules, collective choice rule and constitutional rule.

    Benefit sharing of the fish production from the floodplains was agreed at the start of project activities by all stakeholders, but their commitment varied between the classes of beneficiaries and across the cases. A significant increase of income for different stakeholders was derived from their involvement in fish culture. In the public floodplain fishers received around 40% of net income increase and the landowners received almost 38% of net income increase, as they had to pay the lease money for the floodplain. But in private floodplain all classes of stakeholders deposited around 25% of their net income in a revolving fund. The fishers group got their income from the final harvesting of fish as they received 50% of the price of the harvest of un-stocked fish and 10-15% of the stocked fish. The landowners received 45-50% of income according to their land. The landless seasonal fishers had open access to the non-stocked fish during the monsoon. Finally, the users of the public as well as the private floodplains contributed a small portion of their income to social work, like the building of a mosque or a Hindu temple.

    Chapter 3 firstly assessed the power relations between the various key actors or stakeholders who were directly or indirectly involved in floodplain fisheries in the three sites. Secondly, their shifting power relations and decision making process in co-management practices were studied in the different institutional contexts of the three research sites during WorldFish project intervention. Instead of merely listing the institutions involved, we studied the actual power practices and decisions making processes between the stakeholders in the three cases to gain insight in the different governance models used in CBFC in Bangladesh. Existing co-management arrangements are characterized by unequal power distribution among the different actors, often resulting in the marginalization of the professional fishers and the landless poor fishers. I differentiated between two types of power in the management of floodplain aquaculture and stakeholder involvement, namely a) the power to create rules and decision making procedures, and b) the power to resolve disputes and ensure compliance. The Floodplain Management Committee (FMC) reviews the rules and regulations formulated by the government to complement the vision and roles of the institution, and if there is a need, modify them. Rules and regulations governing access to the public and privately owned floodplains were developed by the Department of Fisheries (DoF) and the FMC. A similar set of rules and regulations was applied to the public and the privately owned floodplains for fish culture. Most of the rules were derived from the national fisheries law. The rules and regulations that were applied to the floodplain were written down in a Memorandum of Understanding between DoF and FMC. Examples are rules and regulations about membership, leadership, boundary and access, allocation, penalties, input, and conflict resolution that were enforced for the management of community based-fish culture.

    Magistrate courts at local level in Bangladesh have the power to decide on penalties for offenders in case of violation of the Government Fisheries Act of 2010 (DoF 2013) in the management of fisheries and aquaculture including the floodplain; a range of penalties is stipulated in the Offences and Penalties paragraph of the Act. In addition, in the case of both public and private floodplains, leaders of customary organizations have the authority and power to confiscate illegal nets and penalize offenders by charging monetary fines.

    Governance in the context of Community-Based Fish Culture (CBFC) management addresses the dominancy of the land-owning group, informal sets of norms and traditions, and the social network and power relationships between stakeholders. In the public floodplain governance processes resulting in the formation of a responsive, accountable leadership and representative membership appeared vital for the success of CBFC. But, the establishment of successful CBFCs in public floodplains demands continuous institutional support from agencies such as the Department of Fisheries, because an increase in production and income also increases the risk of elite capture, and the possibility of an exploitative. In the private floodplain, there was no specific governance system in place to manage access and use of the floodplains during the wet season, as opposed to the dry months when the lands of the floodplain could be used by individual households for crop production. Thanks to greater accountability of the leaders, and more equal representation of the different stakeholders including active leadership and a supporting role of DOF, leadership problems were few and easily solved. Downward accountability was well established in addition to many efforts by the project.

    Chapter 4 examined the overall impact on households involved through the WorldFish project in community-based fish culture in seasonal floodplains, particularly with respect to fish production, consumption, and income generation. Qualitative as well as quantitative methods were deployed to examine the impact of Community-Based Fish Culture starting with a conceptual framework as to how positive impacts take effect. The overall fish production in the floodplains of the project appeared to have increased 274%. Due to project intervention introducing fish culture, 43% of the farmers used floodplain water to meet up irrigation needs instead of ground water and rice production increased by 18.9% for dry-season (Boro) rice and 28.9% for wet-season (Aman) rice in the project floodplain areas.

    Increased income is an important economic incentive for the expansion of community-based fish culture in Bangladesh. Over that period, average income from fish production increased to USD 240 for all beneficiaries involved in the project, which is 237% higher than the income of beneficiaries in the control group. Results of the random effects model show that project-involved households significantly increased their fish income compared to the households of the control sites. Furthermore, total household income increased to about USD 175 per household for those who participated in the WorldFish project.

    Fish availability increased in the project area from July to December. During these months approximately 68%-75% of the total fish consumption needs of the project beneficiaries could be fulfilled by the newly introduced fish culture in the floodplains. The consumption of nutritional food shows that per capita fish consumption of households in the project sites increased from 1.26 kg per capita per month in the baseline year to 2.31 kg per capita per month in 2009.

    Apart from the direct effect on household income and food consumption, CBFC intervention also created the opportunity for employment, backward linkage, and access to market to sell harvested fish. Indirect benefits of the community based fish culture include reduced conflict; improved social capital and greater cooperation in the community.

    Expenditure is a better measurement of welfare than income where most of the people are poor and struggle for food. In this study I therefore used data on expenditure instead of income. The results in Chapter 5 show that the CBFC project had a positive and significant impact on food expenditure, as well as on non-food (other basic needs) and overall total expenditure. The impact of CBFC on household expenditure and expenditure inequality was measured by using Propensity Score Matching (PSM) method and Gini decomposition. Results revealed that the overall average food expenditure per year per household (for panel estimation) increased due to participation in the CBFC project from USD 93 to USD 141. Project participants were able to spend significantly more on food compared to non-participants. In addition, expenditure on food was increasing year by year. Moreover, participant households were capable to spend more compared to non-participants on non-food items like cloth, health, education, housing, transport etc. (from USD 45 to USD 74 per year). This non-food expenditure also gradually increased per year. Finally, total household expenditure of CBFC project participants was between USD 134 and USD 215 per year higher than the total expenditure of control households, which implies a better livelihood of the households involved in the project.

    Gini index of total expenditure was found to be 0.34 and 0.40 for the CBFC project and control households respectively, which indicate that expenditure was equally distributed among households, but that it is more equally distributed among the CBFC households as compared to the control households. The expenditure inequality difference between the CBFC project and the control sites was 0.06, which implies that the CBFC management system helped to distribute total expenditure more equally among the surrounding communities.

    Policy advice

    For better management of the floodplain beels, the government may apply a similar policy for better utilization of the resources and for the economic benefits of the beneficiaries. Accountability, sustainable management of the floodplains, proper marketing of fish and equity in the distribution of benefits of the floodplains have proven to increase the productivity and ensure the accessibility of the poor and landless farmers, as long as elite capture is controlled.

    Taking all CBFC project lessons into consideration, the Bangladesh government could indeed make some changes to their floodplain /wetland policy in order to accommodate the poor fishers and the landless poor. Policy (re)formulation may be needed for the dissemination of the CBO-based fish culture approach to scale-up its impact. In order to establish the rights of the CBOs (under the leadership of fishers) there is a need for modification of the policy of leasing of public floodplains. The major issues to be included are to bring private and public floodplains under CBO management; to secure government support for the registration of the CBOs and the strengthening of the institution; to guarantee that CBOs obtain long term (10-15 years or more) lease of the public areas of the floodplains as priority; to support small infrastructure constructions in the outlet and inlets of the floodplains; and to develop a functional model for the scaling-up (influencing policy) and scaling-out of the CBO fish culture approach in Bangladesh.

    Future research

    To assess the effectiveness of the scaling-up of the innovation in Community-Based Fish Culture in public and private floodplains, using a CBO to CBO approach will have to be developed with the support and facilitation from formal institutions. This will be considered as the subject of future research.

    Could nutrition sensitive cocoa value chains be introduced in Ghana? Report of a brief study that identifies opportunities and bottlenecks
    Vries, K. de - \ 2015
    Wageningen : Centre for Development Innovation, Wageningen UR (Report CDI / Wageningen UR, Centre for Development Innovation 15-105) - 22
    food consumption - households - gender relations - women - cocoa - undernutrition - nutrition - ghana - africa - west africa - voedselconsumptie - huishoudens - man-vrouwrelaties - vrouwen - cacao - ondervoeding - voeding - ghana - afrika - west-afrika
    This study looks at whether introducing nutrition sensitive cocoa value chains in Ghana is feasible and recommends how this could be done. After establishing the cocoa farming and nutrition context in Ghana, the study zooms in on one cocoa producing sub-district to collect detailed data in order to provide recommendations.
    Everyday social dynamics and cultural drivers of women's experiences with HIV/AIDS : voices from Buhaya, Tanzania
    Foster Githinji, V.E. - \ 2015
    Wageningen University. Promotor(en): Paul Richards, co-promotor(en): Todd Crane; Harro Maat. - Wageningen : Wageningen University - ISBN 9789462575806 - 124
    gezondheidszorg - humane immunodeficiëntievirussen - acquired immune deficiency syndrome - huishoudens - man-vrouwrelaties - vrouwen - voedselzekerheid - tanzania - oost-afrika - afrika - health care - human immunodeficiency viruses - acquired immune deficiency syndrome - households - gender relations - women - food security - tanzania - east africa - africa

    Everyday social dynamics and cultural drivers of women’s experiences with HIV/AIDS: voices from Buhaya, Tanzania is based on ethnographic research conducted in the village of Nsisha in northwestern Tanzania. Like most households in this region, Nsisha has been indirectly or directly affected by HIV/AIDS, meaning that either household members have been infected by HIV/AIDS, or households have absorbed children from their extended family and clan who have been orphaned by HIV/AIDS. In whole, the tiers of research and the in-depth questions asked and detailed answers recorded yield four different cross-sectional analyses of the ‘ecology’ of poverty and HIV/AIDS in Buhaya: (1) one which cuts across social stratification within the community, arguing who has more social capital and how this affects their vulnerability; (2) a second which focuses primarily on food and agricultural issues, and more specifically – bananas; (3) a third cross sectional category which centers on climate factors; (4) and a fourth and final category for this thesis which cuts across age categories and focuses on the social variation of widowhood.

    Leverages for on-farm innovation from farm typologies? An illustration for family-based dairy farms in north-west Michoacán, Mexico
    Cortez Arriola, J. ; Rossing, W.A.H. ; Amendola Massiotti, R.D. ; Scholberg, J.M.S. ; Groot, J.C.J. ; Tittonell, P.A. - \ 2015
    Agricultural Systems 135 (2015). - ISSN 0308-521X - p. 66 - 76.
    impact assessment - management - diversity - systems - scale - indicators - households - migration
    Knowledge on farm diversity provides insight into differences among farms, enables scaling from individual farm to farm population level and vice versa, and has been used in the definition of recommendation domains for introduction of novel technologies. Farm diversity can be broadly described in terms of resource endowment and resource use strategy, or in other words, in terms of scale and intensity of production. Measuring intensity of production requires much greater monitoring effort than measuring scale of production, and often only proxies of production intensity are used. Using data from a regional farm survey and from intensive on-farm monitoring the question addressed in this paper is to which extent results of farm surveys that measure primarily scale of production can inform on-farm interventions aimed at improving farm performance. The survey included a random sample of 97 out of 664 smallholder dairy farmers in a community in north-west Michoacán, Mexico. Farm types were identified by a combination of Principal Component Analysis to reduce the dimensionality of the dataset, followed by Cluster Analysis. The survey was complemented with detailed analyses of costs, revenues and productivity on 6 farms over the course of one year. Survey results revealed considerable variation among the dairy farms in land area, livestock units, amount of hired labour, and infrastructure and equipment, which led to the distinction of 4 farm types. Indicators for animal health management and feeding strategies were uniform across the 4 types. The farm types matched the distinction of family-based and semi-intensive farm types used in Mexico. The detailed analyses of the individual farms belonging to the different types, however, revealed differences in resource use strategies reflected in differences in animal productivity, labour productivity and return to labour. Differences in animal productivity and labour productivity were explained by stocking rate, albeit in different ways. Return to labour was strongly related to cost of feed. Profitability was negative for all farms and was on most farms related to high external feedstuff costs, which constituted 59–89% of the feed cost of the animal ration. The results indicate that in addition to variables reflecting resource endowment or scale of production, typologies that aim to inform on-farm interventions need to consider farm characteristics that reflect intensity of production. Which variables should be selected will need to be determined in a preliminary assessment. To enhance internal resource use efficiency as was the purpose in the current study, candidate variables expressing intensity could include the share of external feed in the ration and proxies of internal resource use, e.g. reflected in crop and milk yields. Opportunities for on-farm innovation arising from the analyses are discussed from the perspective of labour flexibility, low costs and use of internal resources.
    Consumer-Related Food Waste: Causes and Potential for Action
    Aschemann-Witzel, J. ; Hooge, I.E. de; Amani, P. ; Bech-Larsen, T. ; Oostindjer, M. - \ 2015
    Sustainability 7 (2015). - ISSN 2071-1050 - p. 6457 - 6477.
    climate-change - behavior - consumption - households - separation - emissions - knowledge - attitude - impacts - system
    In the past decade, food waste has received increased attention on both academic and societal levels. As a cause of negative economic, environmental and social effects, food waste is considered to be one of the sustainability issues that needs to be addressed. In developed countries, consumers are one of the biggest sources of food waste. To successfully reduce consumer-related food waste, it is necessary to have a clear understanding of the factors influencing food waste-related consumer perceptions and behaviors. The present paper presents the results of a literature review and expert interviews on factors causing consumer-related food waste in households and supply chains. Results show that consumers’ motivation to avoid food waste, their management skills of food provisioning and food handling and their trade-offs between priorities have an extensive influence on their food waste behaviors. We identify actions that governments, societal stakeholders and retailers can undertake to reduce consumer-related food waste, highlighting that synergistic actions between all parties are most promising. Further research should focus on exploring specific food waste contexts and interactions more in-depth. Experiments and interventions in particular can contribute to a shift from analysis to solutions.
    Public Perception of Water Consumption and Its Effects on Water Conservation Behavior
    Fan, L.X. ; Wang, F. ; Liu, G.B. ; Yang, X. ; Qin, W. - \ 2014
    Water 6 (2014)6. - ISSN 2073-4441 - p. 1771 - 1784.
    end uses - patterns - households - buildings - attitudes - recall - diary
    The usual perception of consumers regarding water consumption is that their bills do not match their actual water consumption. However, this mismatch has been insufficiently studied; particularly for cases related to specific water-use patterns, water conservation practices, and user socio-demographics. In this study, a total of 776 households in 16 villages situated in the rural Wei River Basin are investigated to address the gap in the literature. Questionnaires and 3-day water diaries are used for data collection and comparison. Results show that significant relations exist between perceived water consumption and actual water consumption. Participants have different perceptions of specific water-use patterns. Participants tend to underestimate their outdoor and kitchen water consumption and overestimate their indoor water consumption. Females and elder consumers accurately estimate their water consumption, whereas consumers with high education levels and incomes underestimate their actual water consumption. The groups who can accurately estimate water consumption have better water conservation consciousness and water conservation practices than those who underestimate their water consumption. The huge disparities highlighted by the results suggest that community policies and programs to improve public water conservation consciousness or practices must be implemented to enhance consumer understanding of water consumption.
    How small is beautiful? : food self-sufficiency and land gap analysis of smallholders in humid and semi-arid sub Saharan Africa
    Hengsdijk, H. ; Franke, A.C. ; Wijk, M.T. van; Giller, K.E. - \ 2014
    Wageningen : Plant Research International, Business Unit Agrosystems Research (Report / Plant Research 562) - 46
    zelfvoorziening - kleine landbouwbedrijven - voedsel - landbouwhuishoudens - huishoudens - gewasproductie - humide klimaatzones - semi-aride klimaatzones - afrika ten zuiden van de sahara - self sufficiency - small farms - food - agricultural households - households - crop production - humid zones - semiarid zones - africa south of sahara
    What policy says and practice does : gender, household and community in rural water provision in Tanzania
    Mandara, C.G. - \ 2014
    Wageningen University. Promotor(en): Anke Niehof, co-promotor(en): Hilje van der Horst; Ron van Lammeren. - Wageningen : Wageningen University - ISBN 9789462571334 - 201
    watervoorziening - plattelandsgemeenschappen - waterbeheer - geslacht (gender) - vrouwen - huishoudens - duurzaamheid (sustainability) - tanzania - water supply - rural communities - water management - gender - women - households - sustainability - tanzania

    Since 1945 to date the governance of the rural water sector in Tanzania has passed through multiple phases, from the colonial era to the times characterized by liberalization, decentralisation and privatization. Generally, changes in the policies and governance strategies reflect a correspondence with national and international reforms in the political and economic spheres. In turn, these changes made the sector to experience pendulum swings over time in terms of policies and achieve­ments.

    The main objective of this study was to examine how gender, household and community shape the appropriateness, accessibility and sustainability of domestic water schemes in rural Tanzania, and to explore whether and in what ways domestic water services take women’s gender needs into account. The study aimed at a critical analysis of the policy-practices nexus in terms of appropriate­ness, accessibility and sustainability in the contexts of the household and the community as representing the water users and hosting local water management structures, respectively.

    The theoretical pillars of the study are ecological modernisation theory, gender theory, the concept of users’ perspective, and the community management model. These were blended into one theoretical framework. The fieldwork for the study was conducted between October 2011 and September 2012 in the rural districts of Kondoa and Mpwapwa in Dodoma region, in central Tanzania. It consisted of three overlapping phases in which quantitative and qualitative research methods were used to collect data from multiple units of analysis. Data collection for primary data was done through the household survey, focus group discussions, interviews with key informants, village and women case studies, participatory sketch mapping, and field observation. Secondary data was collected through the analysis of information from relevant documents at the village, district and national levels. Overall a total number of 334 respondents were involved in the study.

    The study found that accessibility to the improved domestic water services is associated with seasonality and that, surprisingly, the average distance to the water distribution points increases during the rainy season. This is because then few water distribution points are operational. The mean number of users per water point is higher than the standard set by the policy guidelines, because the planning and designing of the water schemes rely on population projections and do not take migration and the spatial distribution of the population into account.

    It was found that there is a difference between the existing water policy and practices related to domestic water uses and management at the micro levels of the household and the village. Within the household, the provision and use of domestic water is organised based on the gendered division of labour in domestic production. At the community level, the same pattern of the gendered division of labour influences men’s and women’s participation in the management of the public water schemes. At both levels the gendered division of labour and performance of men and women is shaped by social norms and traditions that are rooted in patriarchal culture. Women relate to domestic water more closely than men because they are the managers, providers and users of water for carrying out their reproductive roles in the household. This makes women knowledgeable about the appropriateness of water for domestic uses. However, women’s preferences and perceptions on the appropriateness of the domestic water are rarely integrated in the designing and planning phases of water projects. The government, in collaboration with the international community, has established women quota to ensure women’s participation in local decision-making spaces and management structures. However, the informal structures which are embedded in the normative traditions within and beyond the household, explicitly and implicit­ly deter women’s involvement in the public management of the water schemes.

    Water users’ participation, and women’s participation in particular, was very minimal in the pre-implementation phase of village water projects. Hence, the users’ perspectives are poorly represented in the early stages of the water schemes. In general, there was low community participation not only before but also after implementation of the water schemes. Additionally, the sustainability of the rural water infrastructures is endangered mainly because water using communities have been assigned technical and managerial roles without being equipped with the corresponding capabilities. The district water departments which are responsible to provide technical support to the villages, are also confronted with shortages of human and financial resources plus inadequate transport facilities.

    The findings from this study reveal the need to review the existing water policy and change the current community management approach. This thesis concludes by identifying ways forward through research, programs and policies to improve the rural domestic water provision in Tanzania.

    Sustainable reverse logistics for household plastic waste
    Bing, X. - \ 2014
    Wageningen University. Promotor(en): Jack van der Vorst; Jacqueline Bloemhof-Ruwaard. - Wageningen : Wageningen University - ISBN 9789462570870 - 205
    logistiek - huishoudens - afval - duurzaamheid (sustainability) - kunststoffen - modelleren - transport - kosten - logistics - households - wastes - sustainability - plastics - modeling - transport - costs

    Summary of the thesis titled “Sustainable Reverse Logistics for Household Plastic Waste”

    PhD Candidate: Xiaoyun Bing

    Recycled plastic can be used in the manufacturing of plastic products to reduce the use of virgin plastics material. The cost of recycled plastics is usually lower than that of virgin plastics. Therefore, it is environmentally and economically beneficial to improve the plastic recycling system to ensure more plastic waste from households is properly collected and processed for recycling.

    Plastic waste has a complex composition and is polluted, thus requires a substantial technical effort to separate the plastics from the waste and to sort these into recyclable materials. There are several alternatives in the existing collection methods (curb-side and drop-off) and separation methods (source separation and post-separation). It is challenging to select a suitable combination of these methods and to design a network that is efficient and sustainable. It is necessary to build a suitable, efficient and sustainable recycling network from collection to the final processor in order to provide solutions for different future scenarios of plastics household waste recycling. Decision support is needed in order to redesign the plastic waste reverse logistics so that the plastic waste recycling supply chain can be improved towards a more sustainable direction. To improve the efficiency in the recycling of plastic packaging waste, insights are required into this complex system. Insights solely on a municipal level are not sufficient, as the processing and end market are important for a complete network configuration. Therefore, we have investigated the problem at three levels: municipal, regional, and global. Decision support systems are developed based on optimization techniques to explore the power of mathematical modelling to assist in the decision-making process.

    This thesis investigates plastic waste recycling from a sustainable reverse logistics angle. The aim is to analyse the collection, separation and treatments systems of plastic waste and to propose redesigns for the recycling system using quantitative decision support models.

    We started this research project by identifying research opportunities. This was done through a practical approach that aimed to find future research opportunities to solve existing problems (Chapter 2). We started from a review of current municipal solid waste recycling practices in various EU countries and identified the characteristics and key issues of waste recycling from waste management and reverse logistics point of view. This is followed by a literature review regarding the applications of operations research. We conclude that waste recycling is a multi-disciplinary problem and that research opportunities can be found by considering different decision levels simultaneously. While analyzing a reverse supply chain for Municipal Solid Waste (MSW) recycling, a holistic view and considering characteristics of different waste types are necessary.

    Municipal Level

    In Chapter 3, we aim to redesign the collection routes of household plastic waste and compare the collection options at the municipal level using eco-efficiency as a performance indicator. The collection problem is modeled as a vehicle routing problem. A tabu search heuristic is used to improve the routes. Scenarios are designed according to the collection alternatives with different assumptions in collection method, vehicle type, collection frequency, and collection points, etc. The results show that the source-separation drop-off collection scenario has the best performance for plastic collection, assuming householders take the waste to the drop-off points in a sustainable manner.

    In Chapter 4, we develop a comprehensive cost estimation model to further analyze the impacts of various taxation alternatives on the collection cost and environmental impact. This model is based on such variables as fixed and variable costs per vehicle, personnel cost, container or bag costs, as well as emission costs (using imaginary carbon taxes). The model can be used for decision support when strategic changes to the collection scheme of municipalities are considered. The model, which considers the characteristics of municipalities, including degree of urbanization and taxation schemes for household waste management, was applied to the Dutch case of post-consumer plastic packaging waste. The results showed that post-separation collection generally has the lowest costs. Curb-side collection in urban municipalities without residual waste collection taxing schemes has the highest cost. These results were supported by the conducted sensitivity analysis, which showed that higher source-separation responses are negatively related to curb-side collection costs.

    Regional Level

    Chapter 5 provides decision support for choosing the most suitable combination of separation methods in the Netherlands. Decision support is provided through an optimized reverse logistics network design that makes the overall recycling system more efficient and sustainable, while taking into account the interests of various stakeholders (municipalities, households, etc.). A mixed integer linear programming (MILP) model, which minimizes both transportation cost and environmental impact, is used to design this network. The research follows the approach of a scenario study; the baseline scenario is the current situation and other scenarios are designed with various strategic alternatives. Comparing these scenarios, the results show that the current network settings of the baseline situation is efficient in terms of logistics, but has the potential to adapt to strategic changes, depending on the assumptions regarding availability of the required processing facilities to treat plastic waste. In some of the tested scenarios, a separate collection channel for polyethylene terephthalate (PET) bottles is cost-efficient and saves carbon emission. Although the figures differ depending on the choices in separation method made by municipalities, our modeling results of all the tested scenarios show a reduction in carbon emissions of more than 25 percent compared to the current network.

    Chapter 6 studies a plastic recycling system from a reverse logistics angle and investigates the potential benefits of a multimodality strategy to the network design of plastic recycling. The aim was to quantify the impact of multimodality in the network in order to provide decision support for the design of more sustainable plastic recycling networks in the future. A MILP model is developed in order to assess different plastic waste collection, treatment, and transportation scenarios. A baseline scenario represents the optimized current situation, while other scenarios allow multimodality options (barge and train) to be applied. With our input parameter settings, results show that transportation costs contribute to approximately 7 percent of the total costs, and multimodality can help reduce transportation costs by almost 20 percent (CO_2-eq emissions included). In our illustrative case with two plastic separation methods, the post-separation channel benefits more from a multimodality strategy than the source-separation channel. This relates to the locations and availability of intermediate facilities and the quantity of waste transported on each route.

    Global Level

    After the regional network redesign, Chapter 7 shows a global network redesign. The aim of this chapter was to redesign a reverse supply chain from a global angle based on a case study conducted on household plastic waste distributed from Europe to China. Emissions trading restrictions are set on processing plants in both Europe and China. We used a mixed-integer programming model in the network optimization to decide on location reallocation of intermediate processing plants under such restrictions, with the objective of maximizing total profit under Emission Trading Schemes (ETS). Re-locating facilities globally can help reduce the total cost. Once carefully set, ETS can function well as incentive to control emissions in re-processors. Optimization results show that relocating re-processing centers to China reduces total costs and total transportation emissions. ETS applied to re-processors further helps to reduce emissions from both re-processors and the transportation sector. Carbon caps should be set carefully in order to be effective. These results give an insight in the feasibility of building a global reverse supply chain for household plastic waste recycling and demonstrate the impact of ETS on network design. The results also provide decision support for increasing the synergy between the policy for global shipping of waste material and the demand of recycled material.


    Chapter 8 summarizes the findings from chapters 2 to 7 and provides brief answers to the research questions. Beyond that, the integrated findings combine the results from different decision levels and elaborate the impacts of various system characteristics and external factors on the decision making in order to achieve an improved sustainable performance. Main findings are:

    Regarding the impact of carbon cost, the results from different chapters are consistent in terms that emission cost is only a small part of the total cost, even when carbon cost is set at its historically highest figure. When carbon price is set to a different value, impact of carbon cost on the change of optimization results is higher on the upstream of the reverse supply chain for plastic waste than the downstream.In Emission Trading scheme (ETS), carbon cap has a larger impact on eco-efficiency performance of the global network than carbon price.On one decision level, models can help to find the ``best option". For example, in the collection phase, the average total collection costs per ton of plastic waste collected for source-separation municipalities are more than twice of the post-separation municipalities' collection costs due to the frequent stops made and idling time at each stop. From the regional network perspective, post-separation scenarios have higher costs and environmental impact than source separation due to the limited number of separation centers compared to the numerous cross-docking sites for source-separation. When combining decision levels, however, it is difficult to find one ``best option" that fits all, as there are contradictory results when looking at the same factor from different decision levels. Through decision support models, we provided clear insights into the trade-offs and helped to quantify the differences and identify key factors to determine the differences.Population density differences in various municipalities influence the performance of curbside collection more than drop-off collection.

    This information is valuable for decision makers to consider in the decision making process. Finally, managerial insights derived from sustainable reverse logistics for household plastic waste are summarized in conclusion section.

    Mending new communities after involuntary resettlement in the Philippines and Indonesia
    Quetulio-Navarra, M. - \ 2014
    Wageningen University. Promotor(en): Anke Niehof, co-promotor(en): Hilje van der Horst; Wander van der Vaart. - Wageningen : Wageningen University - ISBN 9789462570696 - 257
    bevolkingsverplaatsing - migratie - gemeenschappen - sociaal kapitaal - social network analysis - bevolkingsgroepen met een laag inkomen - huishoudens - filippijnen - indonesië - resettlement - migration - communities - social capital - social network analysis - low income groups - households - philippines - indonesia

    Displacement of poor families contribute to the worsening of their poverty situation yet involuntary resettlement still takes place. According to the latest Report of the Indonesian Centre on Housing Rights and Eviction, more than 12,000 people were reportedly evicted in August 2008 to give way to the “green space” land reclamation projects (COHRE 2008). In the Philippines, 59,462 households were relocated in the period 2001 – 2006 (HUDCC 2008) because of various infrastructure projects. Though more recent data are lacking, there is no evidence that the pace of displacement is slowing down.

    The Impoverishment, Risks and Reconstruction (IRR) model of Cernea (2000) identifies nine interlinked potential risks inherent to displacement: landlessness, joblessness, home­lessness, marginalization, food insecurity, increased morbidity and mortality, loss of access to common property, social disarticulation and educational loss. Out of the nine risks, social disarticulation or the loss of social capital in a resettlement site is the most complicated, because different factors are involved and because of its impact on vulnerability to the other risks. Social capital building or transplanting in an entirely different or new environment such as resettlement sites has remained an elusive topic in the research arena. This study tries to fill the void by addressing the following research problem: How does social capital grow across time in an involuntary resettlement setting and what is the role of the context and its elements in shaping this growth?

    The study used a comparative approach and a longitudinal perspective. Applying a longitudinal perspective aimed at capturing the process of social capital building through time. It entailed a framework that wove the factors involved in the process – as hypo­thesised on the basis of social capital and resettlement theories – into a timeline that comprised four periods. These four periods included before resettlement, the first year in the site after resettlement, the following years in the site, and the year of the field study (2011 in the first study area and 2012 in the second). The influence of social capital development in each period on the following period was investigated.

    Using a comparative perspective, two resettlement communities in Southeast Asia were chosen for this study. The first study site was in the Philippines and concerned an urban resettlement community named ‘Kasiglahan Village 1’ (KV1), situated in Barangay San Jose, Rodriguez, Rizal Province. The second study site, a rural resettlement community named ‘Bantarpanjang Translok’ (BT), was in Indonesia and located in Bantarpanjang, Cimanggu, Cilacap in Central Java Province, Both are government-managed resettlement communities. Moreover, the resettled households in both countries had incomes that were below the minimum standard of living, and the ages of the communities were sufficiently similar – the Philippine site was 12 years old, and the Indonesian site was 11 years in existence at the time of fieldwork. The age of the resettlement site is crucial for the longitudinal perspective utilized for this research. Although comparable in important aspects, the two locations differ in terms of their cultural traditions, physical location, institutional context, national resettlement policies, religion, ethnicity, and demographic and socio-economic profile. This allowed for a contextual analysis on the way in which social capital evolves.

    Data for this study were gathered by combining qualitative and quantitative methods. Qualitative methods, such as in-depth interviews, exploratory interviews, observation, focus group discussions and life histories, were blended with quantitative methods. The latter included a household survey that used a tailored calendar tool to enhance the validity and reliability of the retrospective data. Social network analysis was conducted as well.

    The results of the analysis of the state of the communities before involuntary resettlement and a year later conveyed the following. Overall, involuntary resettlement in both setting did not significantly harm the households’ structural and cognitive social capital. After a year, the households in both settings were able to create and somehow duplicate the levels of trust and reciprocity they had in their previous communities. Moreover, the data suggest that the civic engagement history of the households is only influential in social capital building within a new community when the households share cultural traditions and social practices that are regularly observed. In the absence of such cultural traditions social practices, it is institutional interventions that will stimulate social capital formation.

    When looking at social capital creation across time in the two locations, the forging of ties among the household grows every year. There are three perspectives that can explain such a process. These are represented by variables relating to (i) individual and household attributes, (ii) the institutional context, and (iii) social capital history. On developing weak and strong ties, both cases demonstrate growth spurts during the year when there was an influx of resettlers and basic services and public places had been put in place. Moreover, after a period of upsurge, social capital attains a level of steady growth. Social capital growth can be seen as intertwined with the stabilisation of the resettlement sites in terms of physical infrastructure and social services as well as the achievement of a sense of “getting settled”.

    The study provides rich insights on the effects of resettlement programs and social capital on whether households in an involuntary resettlement context ‘get by’ or manage to ‘get ahead’ and improve their situation. The outcomes differ according to resettlement policies, culture, location, and phase of resettlement (first year and last year). In addition, all forms of structural social capital turned out meaningful for getting by and getting ahead, although some types of ties would feature more prominently than others. In the Philippines case, the number of support ties played a prominent role in the economic and physical well-being of the households, while in the Indonesian case it is the number of close individuals and number of government ties that mattered most. Overall, ‘soft’ resettlement inputs were found indispensable in both locations for the households’ capacity to get by and get ahead. Government meetings and membership of civic organizations contributed positively to household food security (last year) and social well-being (both years) of the Philippine resettlers. For the Indonesians, these contributed to their household income (first year) and social well-being in both periods. Community organisation should therefore be an integral part of resettlement projects.

    Social network analysis was conducted on the networks of households in Indonesia and those of community leaders in the Philippines. In Indonesia and the Philippines, social network analysis revealed that after a certain period in a new community and living among other involuntarily resettled strangers, households eventually establish inter­connections among them. Gender proved to be a factor not only in shaping social networks but also in reinforcing certain advantages of some of the features of the social networks in a resettlement site. Gender differences emerged in both settings, the female advantage in forming friendships being one of them. In both cases, women (housewives in Indo­nesia and leaders in the Philippines) have a bigger proportion of friends in their network than men, indicating that they are better at nurturing connections that develop into friendship. The analysis also shows how the emerging community as a whole can benefit from the friendship networks of women. The default assignment of authority to men in the community and the wives supporting this gender construction, can account for the male-dominated brokerage roles and men being the influential actors in the Indonesian site. Contrastingly, in the Philippine location women leaders mono­polize the brokerage role and are influential actors. Compared to male leaders, Filipino women leaders in the community have better interpersonal skills, are more empowered and are more active in civic organisations and activities. They bring more projects and activities to their members and connect better to the authorities than their male counterparts.

    This study provides strong evidence on a number of issues. First, the mending of new social communities by social capital building takes place right after the resettlement and amidst a worsening poverty situation in the new location. Second, civic engagement history can only significantly enhance social capital building in a site when it is shared by almost the entire community. Third, social capital history can be created by the new inhabitants of a resettlement site even in a short period of time. And fourth, the results of applying the institutional perspective underscore the importance of the creation of policies and projects that target the community’s physical development and its social organisation. Overall, the process of social capital growth seems to be largely beyond the control of the individual resettlers. It is shaped by the context and its con­stituting elements, rather than by the characteristics of the individuals and households concerned.

    Woodfuel for urban markets in the Congo Basin: a livelihood perspective
    Schure, J.M. - \ 2014
    Wageningen University. Promotor(en): Bas Arts, co-promotor(en): Freerk Wiersum; P. Levang. - Wageningen : Wageningen University - ISBN 9789461737717 - 186
    hout - markten - stadsomgeving - brandhout - brandstofgewassen - huishoudens - afrika - energie - ontwikkelingslanden - biobased economy - wood - markets - urban environment - fuelwood - fuel crops - households - africa - energy - developing countries - biobased economy
    Hout is de belangrijkste energiebron van huishoudens in sub-Sahara Afrika en het gebruik van houtskool in stedelijke gebieden groeit. Deze dissertatie maakt deel uit van een nieuwe generatie van houtenergie-studies sinds de begin jaren 2000. De hernieuwde interesse komt voort uit de erkenning, dat handel in houtenergie mogelijk bijdraagt aan het oplossen van armoede en energieproblemen. Waar in het verleden houtenergie- studies zich nog voornamelijk concentreerden op het kappen voor eigen huishoudelijk gebruik en productievraagstukken, is er nu meer aandacht voor de rol van stedelijke vraag en commercie. Dit omvat het potentieel van houtenergie als bron van inkomsten. Omdat houtenergie-studies zich traditioneel meer gericht hebben op de kwetsbare droge en semi-aride gebieden in de wereld, is er weinig informatie over het karakter en het ontwikkelingsperspectief van de handel in Afrika’s tropische humide bos regio’s. Deze dissertatie analyseert houtenergie als een bron van levensonderhoud in de context van stedelijke brandhoutbevoorrading in het Kongobekken.
    Evaluating the effect of flood damage-reducing measures: a case study of the unembanked area of Rotterdam, the Netherlands
    Moel, H. de; Vliet, M. van; Aerts, J.C.J.H. - \ 2014
    Regional Environmental Change 14 (2014)3. - ISSN 1436-3798 - p. 895 - 908.
    overstromingen - hoogwaterbeheersing - schade - risicovermindering - risicobeheersing - klimaatverandering - rotterdam - stedelijke gebieden - floods - flood control - damage - risk reduction - risk management - climatic change - rotterdam - urban areas - model - uncertainty - households - insurance - sector - meuse
    Empirical evidence of increasing flood damages and the prospect of climatic change has initiated discussions in the flood management community on how to effectively manage flood risks. In the Netherlands, the framework of multi-layer safety (MLS) has been introduced to support this risk-based approach. The MLS framework consists of three layers: (i) prevention, (ii) spatial planning and (iii) evacuation. This paper presents a methodology to evaluate measures in the second layer, such as wet proofing, dry proofing or elevating buildings. The methodology uses detailed land-use data for the area around the city of Rotterdam (up to building level) that has recently become available. The vulnerability of these detailed land-use classes to flooding is assessed using the stage–damage curves from different international models. The methodology is demonstrated using a case study in the unembanked area of Rotterdam in the Netherlands, as measures from the second layer may be particularly effective there. The results show that the flood risk in the region is considerable: EUR 36 million p.a. A large part (almost 60 %) of this risk results from industrial land use, emphasising the need to give this category more attention in flood risk assessments. It was found that building level measures could substantially reduce flood risks in the region because of the relatively low inundation levels of buildings. Risk to residential buildings would be reduced by 40 % if all buildings would be wet-proofed, by 89 % if all buildings would be dry-proofed and elevating buildings over 100 cm would render the risk almost zero. While climate change could double the risk in 2100, such building level measures could easily nullify this effect. Despite the high potential of such measures, actual implementation is still limited. This is partly caused by the lack of knowledge regarding these measures by most Dutch companies and the legal impossibility for municipalities to enforce most of these measures as they would go beyond the building codes established at the national level.
    Reducing food waste by households and in retail in the EU; A prioritisation using economic, land use and food security impacts
    Rutten, M.M. ; Nowicki, P.L. ; Bogaardt, M.J. ; Aramyan, L.H. - \ 2013
    The Hague : LEI, part of Wageningen UR (LEI report / LEI Wageningen UR 2013-035) - ISBN 9789086156535 - 156
    voedselverspilling - voedselafval - reductie - huishoudens - marketing voor de detailhandel - voedselzekerheid - landgebruik - europese unie - food wastage - food wastes - reduction - households - retail marketing - food security - land use - european union
    This report describes the impacts of reducing food waste by households and retail in the EU. In view of the broader aim of resource efficiency, the outcomes are contrasted with those associated with adopting a healthier diet.
    The use of woodland products to cope with climate variability in communal areas in Zimbabwe
    Woittiez, L.S. ; Rufino, M.C. ; Giller, K.E. ; Mapfumo, P. - \ 2013
    Ecology and Society 18 (2013)4. - ISSN 1708-3087
    rural livelihoods - south-africa - ecosystem services - savanna resources - fruit-trees - valuation - biodiversity - availability - consumption - households
    Common lands provide smallholder farmers in Africa with firewood, timber, and feed for livestock, and they are used to complement human diets through the collection of edible nontimber forest products (NTFPs). Farmers have developed coping mechanisms, which they deploy at times of climatic shocks. We aimed to analyze the importance of NTFPs in times of drought and to identify options that could increase the capacity to adapt to climate change. We used participatory techniques, livelihood analysis, observations, and measurements to quantify the use of NTFPs. Communities recognized NTFPs as a mechanism to cope with crop failure. We estimated that indigenous fruits contributed to approximately 20% of the energy intake of wealthier farmers and to approximately 40% of the energy intake of poor farmers in years of inadequate rainfall. Farmers needed to invest a considerable share of their time to collect wild fruits from deforested areas. They recognized that the effectiveness of NTFPs as an adaptation option had become threatened by severe deforestation and by illegal harvesting of fruits by urban traders. Farmers indicated the need to plan future land use to (1) intensify crop production, (2) cultivate trees for firewood, (3) keep orchards of indigenous fruit trees, and (4) improve the quality of grazing lands. Farmers were willing to cultivate trees and to organize communal conservation of indigenous fruits trees. Through participatory exercises, farmers elaborated maps, which were used during land use discussions. The process led to prioritization of pressing land use problems and identification of the support needed: fast-growing trees for firewood, inputs for crop production, knowledge on the cultivation of indigenous fruit trees, and clear regulations and compliance with rules for extraction of NTFPs. Important issues that remain to be addressed are best practices for regeneration and conservation, access rules and implementation, and the understanding and management of competing claims on the common lands. Well-managed communal resources can provide a strong tool to maintain and increase the rural communities’ ability to cope with an increasingly variable climate.
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