A quantitative value chain analysis of policy options for the beef sector in Botswana

Dizyee, Kanar; Baker, Derek; Rich, Karl M.

doi:10.1016/j.agsy.2017.05.007

Cited by 37 publications

(26 citation statements)

References 17 publications

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“…System dynamics has been recognized as an efficient method to represent animal population dynamics (e.g. Dahlanuddin, Henderson, Dizyee, Hermansyah, & Ash, 2017;Dizyee, Baker, & Rich, 2017;McRoberts, Nicholson, Blake, Tucker, & Padilla, 2013;Naziri, Rich, & Bennett, 2015;Rich, 2007;Rich et al, 2017;Rich & Roland-Holst, 2014;Stephens et al, 2012).…”

Section: Forage and Herd Modelmentioning

confidence: 99%

Climate change and variability impacts on grazing herds: Insights from a system dynamics approach for semi‐arid Australian rangelands

Godde

Dizyee

Ash

et al. 2019

Global Change Biology

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Grazing livestock are an important source of food and income for millions of people worldwide. Changes in mean climate and increasing climate variability are affecting grasslands' carrying capacity, thus threatening the livelihood of millions of people as well as the health of grassland ecosystems. Compared with cropping systems, relatively little is known about the impact of such climatic changes on grasslands and livestock productivity and the adaptation responses available to farmers. In this study, we analysed the relationship between changes in mean precipitation, precipitation variability, farming practices and grazing cattle using a system dynamics approach for a semi‐arid Australian rangeland system. We found that forage production and animal stocking rates were significantly affected by drought intensities and durations as well as by long‐term climate trends. After a drought event, herd size recovery times ranged from years to decades in the absence of proactive restocking through animal purchases. Decreases in the annual precipitation means or increases in the interannual (year‐to‐year) and intra‐annual (month‐to‐month) precipitation variability, all reduced herd sizes. The contribution of farming practices versus climate effect on herd dynamics varied depending on the herd characteristics considered. Climate contributed the most to the variance in stocking rates, followed by forage productivity levels and feeding supplementation practices (with or without urea and molasses). While intensification strategies and favourable climates increased long‐term herd sizes, they also resulted in larger reductions in animal numbers during droughts and raised total enteric methane emissions. In the face of future climate trends, the grazing sector will need to increase its adaptability. Understanding which farming strategies can be beneficial, where, and when, as well as the enabling mechanisms required to implement them, will be critical for effectively improving rangelands and the livelihoods of pastoralists worldwide.

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Section: Forage and Herd Modelmentioning

confidence: 99%

Climate change and variability impacts on grazing herds: Insights from a system dynamics approach for semi‐arid Australian rangelands

Godde

Dizyee

Ash

et al. 2019

Global Change Biology

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“…We employ system dynamics (SD) modeling to explicitly map the information and material flows, processes, decision rules, and relationships between actors that operate within a complex value chain system (Sterman 2000). Recent research has revealed the utility of this approach in agricultural and livestock systems to ex-ante test the dynamic impacts of feedbacks from different policy and technical interventions within value chains (Dizyee et al 2017;Naziri et al 2015;Rich et al 2011). A major advantage of SD modeling is its ability to employ participatory processes in the design, construction, parameterization, and application of value chain models, improving modeling transparency and validity, and engaging value chain actors together in a process of joint learning (Lie et al 2017).…”

Section: Introductionmentioning

confidence: 99%

An empirical evaluation of policy options for inclusive dairy value chain development in Nicaragua: A system dynamics approach

Lie

Rich²,

Hoek³

et al. 2018

Agricultural Systems

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An empirical evaluation of policy options for inclusive dairy value chain development in Nicaragua: A system dynamics approach The International Center for Tropical Agriculture (CIAT) believes that open access contributes to its mission of reducing hunger and poverty, and improving human nutrition in the tropics through research aimed at increasing the eco-efficiency of agriculture. CIAT is committed to creating and sharing knowledge and information openly and globally. We do this through collaborative research as well as through the open sharing of our data, tools, and publications.

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“…System dynamic modelling is another analytical approach that can be aligned with value chain analysis and used to evaluate feedback effects among different components and sub-components of a system and understand trade-offs and system-wide consequences. The approach has recently been applied in the context of food systems [36,99,100] and has the potential to be applied more specifically in the assessment of nutritional outcomes of food system interventions. Similarly, food systems depend upon access to scarce environmental resources and operate in a national and global policy context that includes environmental goals, such as greenhouse gas emissions reduction (SDG 13 climate action).…”

Section: Discussionmentioning

confidence: 99%

“…As such, value chain analysis starts with understanding what constitutes value to the consumer and sets about coordinating the activities of value chain participants to efficiently deliver value added offerings. The concept has also been extended and used in the context of reducing value chain environmental impacts and increasing resilience [32], climate change adaptation [33][34][35], and food safety [36,37].…”

Section: Introductionmentioning

confidence: 99%

Value Chains and Diet Quality: A Review of Impact Pathways and Intervention Strategies

et al. 2019

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Low and middle-income countries increasingly face a triple burden of malnutrition encompassing undernutrition, micronutrient deficiency, and excessive energy consumption contributing to overweight and obesity. Food systems are also becoming more complex, supported by investments in food processing and retailing. Traditional approaches addressing hunger, typically based on agricultural development, are deemed insufficient alone to address the problem and attention is now being directed to food value chains, although experience is currently limited. To assess the state of science and identify knowledge gaps, an integrative review of the broad topic of value chains and diet quality was undertaken, with particular focus on interventions and their related impact pathways. Interventions were classified according to their primary orientation: to increase the availability, accessibility, or desirability of nutritious food. We identified 24 separate interventions associated with 10 different impact pathways, demonstrating the numerous entry points and large potential for value chain interventions to influence diet quality. However, case study evidence regarding effectiveness remains scant. Most studies addressed individual nutrient-rich commodities that could address a nutritional deficiency in the community of interest. Rarely was overall diet quality assessed, and future studies could benefit from taking a wider perspective of dietary patterns and food substitutions. The value chain analytical approach was deemed valuable due to its consumer orientation that seeks to understand how food products are used and what motivates their choice. The systems perspective is also important as it considers the roles of actors involved in food production, distribution, marketing, and regulation. However, few studies directly engaged with the subject of the local food environment as the bridge connecting food production and food choice. The challenge is to combat the increasing prevalence of processed foods of low nutritional value through interventions that lead to nutritious food becoming more conveniently available, affordable, and desirable.

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A quantitative value chain analysis of policy options for the beef sector in Botswana

Cited by 37 publications

References 17 publications

Climate change and variability impacts on grazing herds: Insights from a system dynamics approach for semi‐arid Australian rangelands

Climate change and variability impacts on grazing herds: Insights from a system dynamics approach for semi‐arid Australian rangelands

An empirical evaluation of policy options for inclusive dairy value chain development in Nicaragua: A system dynamics approach

Value Chains and Diet Quality: A Review of Impact Pathways and Intervention Strategies

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