Evan Fraser’s research while affiliated with University of Guelph and other places

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Publications (56)


Evaluating best management practices for nutrient load reductions in tile-drained watersheds of the Laurentian Great Lakes Basin: A literature review
  • Literature Review

February 2025

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23 Reads

The Science of The Total Environment

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Wanhong Yang

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Yongbo Liu

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[...]

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Evan D.G. Fraser

Climate-Smart Agriculture Practices for Sustainable Food Systems and Rural Sustainable Livelihoods Nexus in Sub-Saharan Africa: A Conceptual Review and Analytical Framework

January 2025

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25 Reads

Africa's smallholding agriculture is susceptible to changing climate. The interaction between several biophysical, socioeconomic, cultural and political stressors increases smallholder farmers' vulnerability, thereby, limiting their adaptive capacity. Whereas changing climate is acknowledged as a significant problem with a detrimental effect on sustainable livelihoods, agriculture and food systems at large, farmers' engagement with climate-smart agriculture practices and interventions is alluded to increase the region's smallholders' adaptive capacity, reduce greenhouse gasses emission and increase agriculture productivity and yields to promote sustainable food systems outcomes. This paper examines three distinct but fundamentally interconnected schools of thought that have developed somewhat independently, i.e. (1) climate change impacts, vulnerabilities, and adaptation, (2) climate-smart agriculture practices (CSA) for sustainable food systems, and (3) sustainable rural livelihood to conceptualize a framework which illustrates the relationship between these three themes. The framework also elucidates how vulnerabilities are outcomes of multiple livelihood stressors, and adaptive capacity reflects access to assets and capital, while sustainable food system outcomes represent the livelihood outcome from engagement with CSA practices. Further, the framework shows the relationship between the supposedly sustainable food system outcomes and how they rebound to reinforce smallholders' adaptive capacity or increase vulnerabilities to multiple livelihood stressors. The framework will serve as a guide or checklist on which elements to consider when exploring the relationship between climate change impact, vulnerabilities, and adaptation with CSA practices for sustainable food systems outcomes. This framework will guide empirical studies that seek to understand the trade-offs and synergies among various dimensions and pillars of sustainable food system outcomes when farmers use CSA. In the long term, this framework will deepen our understanding of the place-based and context-specific CSA practices and policies required to make our food systems more resilient, equitable, and sustainable.


Farmer perceptions on relative advantages of digital agriculture technologies.
Will agricultural digitalization deliver relative advantages in quality of work, productivity, profitability, return on investments, and reliability? Perceptions of Canadian producers
  • Article
  • Full-text available

November 2024

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35 Reads

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1 Citation

Digitalization is often claimed by agri-food actors interested in using technology and corporations to provide many socio-economic benefits for farmers. This article reports on the results of a survey of Canadian farmers (n = 852) to explore producer perceptions of whether new digital technologies 1) improve the quality of work, 2) enhance productivity, 3) increase profitability, 4) offer a reliable return on investment, and 5) are as reliable as earlier tools and technologies. Farmer respondents generally agreed that digital farm tools have certain relative advantages, but considerable skepticism and varying views persist for certain benefits. Farmers with experience using digital tools were more likely to agree to improved quality of work and reliable return on investments. Meanwhile, farmer socio-demographics (region, level of education, farm ownership ratio) partly and to varying degrees explain perceptions of some relative advantages (e.g. productivity and reliability) but not others (e.g. profitability). In the context of the findings, we note with caution that farmers’ optimism for the relative advantages of digitalization could lay the foundation for acceptance of and receptivity for these innovations. However, if the goal is to encourage producers to embrace digital innovations widely, targeted programming to increase farmers’ first-hand experiences and research-backed informational programs on the potential benefits of digitalization would be needed.

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FIGURE 1
List of Interviewees and focus group participants.
Socio-economic futures for cellular agriculture: the development of a novel framework

August 2023

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118 Reads

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5 Citations

Novel agri-food technologies such as cellular agriculture present strong economic opportunities, with potential to reduce the environmental footprint of agriculture, improve animal welfare, and feed the world. A rich body of literature has emerged in the past five years that evaluates those claims, and illuminates the diverse food system futures framed by novel agri-food technology actors across the food system. To date, those characterizations of food system futures rely mainly on public data, such as technology advertisements and press releases, and have yet to engage deeply with a broader suite of social, economic, and material pathways for their emergence. The need for a robust social scientific framework through which to describe and evaluate concrete futures for novel food technologies such as cellular agriculture is needed. In this paper, we draw from a set of fifty-two interviews and 3 focus groups with key cellular agriculture stakeholders from industry, academia, investment, and research institutions. We found three key considerations for cellular agriculture futures: to understand the places and scales across which cellular agriculture ‘happens’, to balance competitive industry interests with public-private collaboration, and to navigate the extent to which cellular agriculture interfaces with traditional agriculture. From these considerations, we draw from the literature to deduce three dimensions across which to describe and evaluate concrete futures for novel agri-food technologies, broadly: centralization, access, and integration. Plotting food system futures across these three variables illuminates assumptions, preconceptions, and enabling conditions that may engender more or less desirable futures.



Sustainable intensification in agriculture: ethical issues

June 2023

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93 Reads

Research scientists predict to feed the growing population an increase in agricultural yields at a lower environmental footprint, what some call ‘sustainable intensification’, is required. Yet, some argue that sustainable intensification fails to address systemic social, economic, or environmental concerns. This chapter reviews the key research and policy goals underpinning this approach considering the novel technologies of agriculture. We highlight four ethical questions: 1) What happens to spared land? 2) What socio-economic cost should increasing protein demand be satisfied? 3) How can basic food needs be met while addressing systemic food security issues; and 4) How do we simultaneously reconcile farmer livelihoods and rural revitalization for sustainable development? We argue for a pragmatic approach to sustainable intensification that clearly articulates ethical questions, negotiates these tensions with agricultural stakeholders on a case-by-case basis, and adopts inclusive and reflexive governance processes to continuously re-evaluate sustainable intensification outcomes.


Framework for farmers' engagement with digitalization in smallholder systems
Map of study communities
Ways farmers use mobile phones for farming activities
Farming purposes and tasks farmers use mobile phones to accomplish
Is agricultural digitization a reality among smallholder farmers in Africa? Unpacking farmers' lived realities of engagement with digital tools and services in rural Northern Ghana

May 2023

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473 Reads

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36 Citations

Agriculture & Food Security

Background Digital technologies are promoted as transformational for smallholders in Africa through the potential to enhance access to knowledge, increase productivity and food security. Despite the anticipations for agricultural digitalization in Africa, smallholders' engagement with digitalization is empirically underexplored. Hence, we surveyed 1565 rural farmers in Northern Ghana to explore how farmers interact with digital tools and services, and the variations in their engagements. Results We found that despite the growing array of digital opportunities (with diverse tools and services available to farmers), farmers are mainly confined to simple devices (mobile phones, radio, and TV) as access to digital resources, including the internet remains limited. Meanwhile, the main sources of digitalization services for smallholders remain largely the highly subisidized, development-orieted. NGOs and private-sector projects, which generally leverage SMS, Interactive Voice Response (IVR), radio, or field agents to reach farmers. Nonetheless, participation in digitalization services remains limited, unimpressive at best, and often fades over time because of weak building blocks evident in low literacies, lack of digital competencies and the limited access to digital resources. Conclusions Thus, full-scale digitalization remains a distant goal, and transformation claims are disconnected from smallholders' lived realities. However, opportunities exist to create a ‘digitalization for smallholders’ that is sensitive to the current and future structural limitations of smallholder agriculture, including low literacy and limited access to digital tools, to make agriculture digitalization reach its full potential in Africa.


Citations (44)


... B. motivationale, volitionale und behaviorale Aspekte). Food-Literacy-Konzepte für junge Menschen betonen "Food Systems" ("Ernährungssystem": Gesamtheit der Lebensmittelversorgung und der gesellschaftlichen Ernährungsnormen) und soziale Gerechtigkeit [51][52][53] bzw. soziale Aspekte zu Ernährung und Körperbild [53]. ...

Reference:

Gesundheitskompetenz und Gesundheitsverhalten – Einblicke in ein sich ausdifferenzierendes Forschungs- und Handlungsfeld für Public HealthHealth literacy and health behaviour—insights into a developing field of research and action for public health
Development of the Food Systems Literacy Competencies Framework for youth: A modified Delphi study with experts
  • Citing Article
  • October 2024

Food Policy

... Therefore, we see strong potential for cover crop support to facilitate building a data-driven case for cover crops that could enhance farmers' program experiences, increase engagement among less-intrinsically motivated farmers, and support a greater degree of practice persistence after costshare payments cease. Financial planning and hyperlocal data to enable better analysis are already central to commodity crop production; extending this approach to AEP design would be prudent (Bodrud-Doza et al., 2023). ...

Towards implementing precision conservation practices in agricultural watersheds: A review of the use and prospects of spatial decision support systems and tools
  • Citing Article
  • September 2023

The Science of The Total Environment

... Indeed, a part of the reviewed literature emphasizes the lack of public participation as a critical point for the development of a fair and open CM value chain and welcomes a greater role of public institutions in financing the development of the CM sector [35,36,60]. For example, some researchers [61] stress the importance of public investments to ensure long-term research endeavours in contrast to the prevailing model of private investment based on rapid and large-scale returns, which carries along risks of instability over time and may impede access to technological advancements. ...

Socio-economic futures for cellular agriculture: the development of a novel framework

... Most of sub-Saharan Africa population live in poverty with 60% living on less than US$2 a day, and 40% living on less than US$1 a day (Mutsvangwa-Sammie and Manzungu, 2021). The agriculture sector in Africa is underdeveloped due to among other factors, low adoption and use of digital solutions (Abdulai et al., 2023b). The huge agriculture potential in Sub-Sahara African can be exploited by adoption of digital solutions which has been declared as a game changer for agricultural productivity (Agyekumhene et al., 2018;Atanga, 2020;Duncan et al., 2021;Etwire et al., 2017). ...

Is agricultural digitization a reality among smallholder farmers in Africa? Unpacking farmers' lived realities of engagement with digital tools and services in rural Northern Ghana

Agriculture & Food Security

... This unprecedented emergence and proliferation of digital technologies in the agriculture sector has been referred to as Agriculture 4.0 [1,2], and there are expectations that a digitally driven agri-food system will address longstanding and emerging sector challenges, fostering an inclusive and positive impact on smallholder farming households and rural communities. Common value propositions about digital technologies in agri-food systems suggest that digital innovations will help to optimize farm productivity, and create more traceable, responsive, and resilient agri-food systems [3]. In the context of low-and middle-income countries (LMICs), digital agriculture often comes with objectives that match the definition of digital social innovation, encompassing the use of digital innovations with the aim of improving the well-being of marginalized groups and addressing the complex (social) problems affecting these groups, including those listed in the Sustainable Development Goals-SGDs [4]. ...

Contested definitions of digital agri-food system transformation: A webpage and network analysis

International Journal of Food Design

... This article explores North American food systems transformation as the task of imagining and enacting socially and ecologically just, decolonial food futures. This article gestures towards another area of food praxis beyond the false/ reductive dualities of global/local, agri-tech/ regenerative, agroecology/monoculture (industrial); and affordable/profitable (Dupuis & Goodman, 2005;Lang & Heasman, 2015;Montenegro de Wit, 2021a;Newman et al., 2023). While food actors contending with the impacts of colonial food systems aim to transform them, they often continue to enact a colonial relationship to food through the same processes and structures that reproduce and normalize colonial relationships to food (e.g. ...

Agriculture for the Anthropocene: novel applications of technology and the future of food
  • Citing Article
  • March 2023

Food Security

... The adoption of new technologies improves agricultural production (Bontsa et al., 2023). As smallholder farmers' digital solutions are increasingly promoted in Africa (Kim et al., 2020;Tsan et al., 2019), their adoption and usage must be well-understood to facilitate the scaling up (Abdulai et al., 2023a). Assessing the level of smallholder farmers' digitalization in Africa can drive progress toward solving their productivity challenges and exploit economic potentials (Kim et al., 2020;Tsan et al., 2019). ...

What factors influence the likelihood of rural farmer participation in digital agricultural services? experience from smallholder digitalization in Northern Ghana
  • Citing Article
  • December 2022

Outlook on Agriculture

... pathways (Scoones et al., 2020), not all of which are equally feasible or acceptable to all parties (Weber et al., 2020). According to some scholars (Singh et al., 2023), an important pathway to transform current food systems at scale requires a dynamic science-policy-society interface, global-spanning networks, and knowledge brokering nodes to promote learning, reflection, dialog, and address power struggles at and across local and global scales (Singh et al., 2023). These authors call for strengthening multilateral institutions and creating global coordination and task forces for a global "network of networks" with a clear mandate to engage across food sectors and scales. ...

Food systems transformation requires science–policy–society interfaces that integrate existing global networks and new knowledge hubs
  • Citing Article
  • December 2022

Nature Food

... The increasing demand for meat and dairy products, as well as concerns about the environmental and ethical implications of conventional livestock production, have driven the development of alternative protein sources. Cellular agriculture (cellAg) harnesses mammalian biology to enable the production of animal proteins using cell culture techniques, without the need to raise live animals (Newman et al., 2023). Research in this area is focused on the development, optimization, and scale-up of cell culture platforms that can produce high-quality cellAg products across diverse physicochemical properties. ...

Cellular agriculture and the sustainable development goals
  • Citing Chapter
  • January 2023

... The FSFS should address this gap by proposing a new EU science-policy interface mechanism tasked with: (1) integrating research and data across dimensions (for example, ecology, justice, food security and health) and levels of the EU food system; (2) building capacity by assessing and provisioning knowledge in a transparent and independent manner; and (3) developing policy-relevant research agenda and scenarios 13 . Furthermore, (4) a new science-policy mechanism could support deliberative food systems governance and evidence-based policy design 6 ; and finally (5) an independent expert body could measure food policy outputs and monitor policy progress towards the outlined objectives in the FSFS 14 . Similar to the UK Climate Change Committee, this independent food system expert body could proactively evaluate policy reform proposals rather than simply report and monitor policy progress. ...

Everyone at the table: Transforming food systems by connecting science, policy and society