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72nd Graduation: Doctoral Citations – CAES

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ABEN Charles
ABEN Charles

ABEN Charles
Participatory Land use governance and livelihoods in Awoja Watershed, Uganda

Mr. ABEN Charles examined the effects of participatory natural resource governance on livelihoods in Awoja watershed in Uganda. In particular, the study assessed the contribution of local people’s participation to policy implementation. Further, the effects of social, economic and political motivation on actor involvement in the participatory governance were examined. The results suggest that the effective participation was contingent on the motivation of different actors involved in watershed management. This study was funded by DANIDA and was supervised by Dr. Okiror, Prof. Jacob Agea and Dr. EsbernFriis Hansen.


ALEXANDER Noah Ruley Jane
Bioremediation of Petroleum Contaminated Soils using Native plants and their Rhizobacteria in the Sudd regions of South Sudan

Ms. ALEXANDER Noah Ruley Jane’s study was to enhance bioremediation of Petroleum Hydrocarbon-(PHC) Contaminated soils for increased agricultural productivity of the Sudd region of South Sudan. Specially, the study examined the native plant species abundant in petroleum hydrocarbon contaminated soil and optimal rate of cattle manure for enhancing phytoremediation of PHC contaminated soil in the region. In the results, PHC contamination at concentration of 7002 mgkg-1 detected as cultivated land from drilling points, was higher that the critical value of 5000mgkg soil (Sudan) and 5600mgkg (International). In sum, use of plant species namely H. Rufa, T. diversifolia and G. barbadense with 2 tha -1 of cattle-manure greatly improves bioremediation of PHC contaminated soils in the Sudd region of South Sudan. This study was funded by NORHED and was supervised by Dr Alice Amoding and Assoc. Prof John Baptist Tumuhairwe.


ALFONSE Leonard
ALFONSE Leonard

ALFONSE Leonard
The Role of Host Plants, Temperature and Natural Enemies in the Development, Survival and Reproduction of Edible Grasshopper Ruspolia differens (Orthoptera: Tettigoniidae)

Mr. ALFONSE Leonard studied the edible long-horned grasshopper (Ruspolia differens Servile) which is a very important source of food and income in East Africa. The insect is currently obtained from seasonally swarming wild populations which are erratic and declining. His study focused on factors limiting artificial mass rearing of R. differens; these factors include the confusion over the identity of the grasshopper, paucity of information on the natural diets, diseases, and the optimal temperature requirements. He identified edible grasshopper in Uganda as Ruspolia differens (Serville), which is a polyphagous with grasses preference to other plants. The study determined temperatures ranging from 28°C to 32°C as optimum for artificial rearing of R. differens. He further investigated that fungi and bacteria isolated from wild-collected grasshoppers were threats to artificial rearing of the insect. Glaurocara flava was the only identified parasitoid of R. differens. He also found that the inclusion of naturally occurring host plants into artificial diets can improve the survival and reproduction of R. differens. The results from this study can contribute to the development of efficient mass rearing protocols of R. differens. This study was funded by the International Centre of Insect Physiology and Ecology (icipe) and German Academic Exchange Service (DAAD), and supervised by Prof. Samuel Kyamanywa from Makerere University, and Dr. James P. Egonyu and Dr. Sevgan Subramanian from International Centre of Insect Physiology and Ecology (icipe).


KALANZI Fred
KALANZI Fred

KALANZI Fred
Socio-technological factors influencing smallholder farmers’ adaptation of agroforestry technologies in the eastern highlands of Uganda

Mr. KALANZI Fred studied smallholder farmers’ adaptation of agroforestry technologies in Uganda’s Eastern highlands to establish the rationale for smallholder farmers’ choices, use, and modification of agroforestry technologies. This followed a growing concern that despite the efforts to promote agroforestry technologies, smallholder farmers made contradictory choices and modified technologies in ways perceived by experts to compromise farm productivity and, consequently, food and income security. Results indicated that the technology’s perceived value in addressing the livelihood options of the smallholder farmers was the most critical sociotechnological factor influencing their choices of agroforestry technologies. The study also found that smallholder farmers made several modifications and generated their own practices with anticipated positive outcomes that made the agroforestry technologies more applicable to their unique contexts. The study suggests that while science may have a lot to offer to resource-poor smallholder farmers, their local knowledge and innovations should constitute building blocks in developing economically viable, environmentally compliant and socially acceptable agroforestry technologies. This study was supported by the German Academic Exchange Service (DAAD) through the World Agroforestry Centre (ICRAF) and NARO and supervised by Dr. Prossy Isubikalu, Dr. Florence Birungi Kyazze and Dr. Lawrence J.B. Orikiriza.


KALULE Wamala Stephen
KALULE Wamala Stephen

KALULE Wamala Stephen
Farmer Learning Behaviours: A Case of the student-to-farmer university outreach of Gulu University in Uganda

Mr. KALULE Wamala Stephen utilized a sample of 283 host farmers of the student-to-famer outreach of Gulu University to examine the influence of psychosocial factors on farmer learning behaviour. The results show that the most important and positive facilitating condition for farmer learning behaviour was faculty supervision support to students. For the motivational factors, satisfaction of relatedness learning needs and formation of learning intentions were the positive and significant predictors farmer learning behaviour. This study funded by RUFORUM and was supervised by Dr. Haroon Sseguya, Assoc Prof. Duncan Ogeng and Dr. Gabriel Karubanga.


KYALLO Martina
KYALLO Martina

KYALLO Martina
Identification and Characterization of Cassava Mosaic Begomovirus-like viruses Associated with Non Cassava Plants in Kenya

Ms. KYALLO Martina study was on sustainable management of cassava mosaic disease by determining the role non-cassave hosts of Cassava Mosaic Disease (CMD) like viruses and their associated viruses play in the epidemiology of CMD in Kenya. The study identified M. Lutea as a potential alternative host for East African Cassava Mosaic Virus in Uganda revealing the adaptive potential for the virus and expanding our current knowledge of the host range of CMD in Kenya. This study was funded by Bill & Melinda Gates Foundation and was supervised by Dr. Mildred Ochwa Ssemakula and Dr. Robert A. Skilton.


LOGA Dorcas Elizabeth
LOGA Dorcas Elizabeth

LOGA Dorcas Elizabeth
Enhancing Group Sustainability and Innovativeness of Youth in Agriculture; a Comparative Study of Government and Non-government Interventions in Mid-western Uganda.

Ms. LOGA Dorcas Elizabeth studied how government and Non-Government agencies support youth groups in mid-western Uganda to engage in agriculture. The focus was on discovering the conceptual underpinnings that inform and shape the nature of support, enhancing the sustainability of youth groups, and youth innovativeness. The study revealed that government support is premised on the assumption that the youth lack capital, therefore focusing on capitalization through credit and free input provision; while the NGO support is premised on the assumption that youth lack entrepreneurial skills and extension services, and therefore focused on capacity building. The NGO-supported groups were more likely to be sustainable than the Government supported groups. Amidst numerous challenges, the groups post a higher score of innovativeness with an average innovation index of 0.536 reflecting a high potential for youth to revolutionize agriculture. Strengthening coordination to ensure cooperation and complementarity among interventions can enhance the innovativeness and sustainability of youth groups, and make agriculture more gainful. The study was funded by DAAD and Carnegie Corporation of the New York through RUFORUM; and supervised by Assoc. Professor Paul Kibwika and Dr. Florence Birungi Kyazze.


MAWA Christopher
MAWA Christopher

MAWA Christopher
Effects of community-based forest management initiatives on conservation and rural livelihoods in mid-western Uganda

Mr. MAWA Christopher examined the socio-ecological outcomes of community-based forest management initiatives in mid-western Uganda. The study found that positive social and ecological outcomes were simultaneously produced in areas where local community members were either actively co-managing forest resources with the state or were being supported by non-governmental organizations to formally manage and own them. Specifically, the initiatives enhanced community access to legally-sourced forest resources for both subsistence and cash. Additionally, households that had members belonging to conservation groups were more likely to benefit from alternative livelihood schemes promoted by state and non-state actors in the area. However, these alternative livelihood schemes mostly encouraged survival-led as opposed to accumulation-led livelihood diversification pathways. This study was funded by NORHED and was supervised by Prof. David Mwesigye Tumusiime and Assoc. Prof Fred Babweteera.


MUKHONGO Wilhem Ruth
MUKHONGO Wilhem Ruth

MUKHONGO Wilhem Ruth
Abbuscular Mycorrhizal Fungi for Enhanced Nutrient and Moisture Utilization in Sweet Potato Production

Mr. MUKHONGO Wilhem Ruth investigated the composition and spore abundance of Abbuscular Mycorrhizal Fungi (AMF) in sweet potatoes producing regions in Uganda for local inoculum production. Further, the study sought to determine the efficacy of the native AMF and phosphorus on growth and yield of sweet potatoes. In the findings, the assessment of the composition and spore abundance of AMF in sweet potatoes zones yielded a similarity in the AMF communities with Glomus and Acaulospora species accounting for 38% and 20% respectively. This study was supervised by Assoc. Prof. John Baptist Tumuhairwe, Dr. Peter Ebanyat and Dr. Cargele Masso.


MULINDE Catherine
MULINDE Catherine

MULINDE Catherine
Climate Adaptation and Crop Productivity in Coffee-Based Farming Systems of Uganda

Ms. MULINDE Catherine focused on determining the most sustainable climate adaptation practices that are likely to increase current and future crop productivity, and mitigate climate vulnerabilities in Arabica and Robusta coffee-based farming systems of Uganda by 2040. She adopted qualitative, quantitative and modeling approaches in assessing climatic-crop suitability, adoption-drivers and effectiveness of major adaptation practices. Coffee and banana were revealed as more vulnerable to climate change than maize and beans in eastern, central and western Uganda; and that agroforestry, inorganic fertilizer, organic manure, mulch, trenches and soil bunds can potentially reduce crop yield losses especially if future climate becomes drier than wetter. The study recommends the promotion of these adaptation practices with an agile extension service considering the diverse adaptation
needs of coffee-farmers rather than ‘one-size-fit-all’ adaptation strategies; identification of efficient on-farm water-draining technologies; and bioengineering of crop varieties adaptive to wetter-conditions across various altitudes. This study was supervised by Prof. Majaliwa
Mwanjalolo and Dr. Revocatus Twinomuhangi, and funded by USAID.


NAKITTO Aisha Musaazi Sebunya
NAKITTO Aisha Musaazi Sebunya

NAKITTO Aisha Musaazi Sebunya
Solanum anguivi Lam. fruits’ nutritional quality and potential effect on type 2 diabetes mellitus.

Ms. NAKITTO Aisha Musaazi Sebunya investigated the morphological characteristics, bioactive compound contents (BCC) and antioxidant activity (AA) of fourteen accessions of Solanum anguivi Lam. The impact of various ripeness stages and thermal treatments on the BCC and AA of Solanum anguivi Lam. fruits (SALF) was determined, where the unripe stage and boiling exhibited the highest AA. Further, the potential of dietary SALF to prevent and manage type 2 diabetes mellitus (T2DM)-like phenotypes was investigated using the fruit fly, Drosophila melanogaster (D. melanogaster) model organism. D. melanogaster has been previously shown to develop a T2DM-like phenotype upon high-sugar diet (HSD) intake. The study showed for the first time that dietary SALF lowers HSD-induced glucose levels in D. melanogaster, which was not mediated through an up-regulation of central genes (Srl, dIlp3 and dIlp6) of the fly’s energy metabolism. Simultaneously, dietary SALF increased the flies’ survival, thus suggesting a protective effect of SALF against premature death associated with a T2DM-like phenotype. Dietary SALF may therefore help prevent and manage T2DM in humans. This study was funded by the DAAD and FTBIC and was supervised by Prof. John Muyonga, Prof. Anika Wagner and Assoc. Prof Yusuf Byaruhanga.


NDAULA Sulaiman
NDAULA Sulaiman

NDAULA Sulaiman
Psychosocial factors in rural smallholder farmers’ decision to accept orange-fleshed sweet potato in Uganda

Mr. NDAULA Sulaiman studied the acceptance of orange-fleshed sweet potato (OFSP) within households that already grow White-fleshed sweet potato (WFSP). With vitamin A deficiency enduring as a major public health concern in many developing countries, OFSP continues to be promoted as a food-based alleviation strategy for the deficiency. This study sought to enhance understanding of the role of rural smallholder farmers’ socio-cognitive contexts in OFSP acceptance in Uganda. The study revealed that farmers at the various stages of the OFSP cultivation process (under consideration, trial, or maintenance) differ in the belief sets they held about OFSP relative to the WFSP sweet potato varieties. Also, sustained OFSP cultivation was enhanced by social pressure, farmers’ valuation of their capability to cultivate OFSP as compared to cultivating WFSP and health-related risk perceptions. Through compliance and conformity to peer pressure, farmers created a cycle of low cultivation intensity that led to limited access to vines, low appreciation of relative advantage of OFSP over WFSP and the attendant cultivation defections. This study points to a cardinal role for processes that create supportive social and cognitive environments for the acceptance of bio-fortified technologies such as the orange-fleshed sweet potato. This study was funded by DAAD and supervised by Dr. Frank Matsiko, Dr. Richard Miiro, and Dr. Haroon Sseguya.


OBUA Tonny
OBUA Tonny

OBUA Tonny
Genetic Improvement of Nutritional Traits and Yield of Tropical Soybean in Uganda

Mr. OBUA Tonny investigated the genetic diversity and population structure of 89 tropical soybean germplasm, and determined the variability of nutritional traits of 52 soybean core collections from diverse sources. He further conducted a genome-wide association study based on 92 soybean genotypes, as well as determination of environmental effect on protein content and yield in soybean. The results showed that the genetic diversity among the studied germplasm was low, and the phylogenetic tree and Principal Component Analysis grouped the 89 genotypes into three major clusters. The low genetic diversity could be attributed to the cleistogomous nature of soybean and the sample of genotypes used that were mainly released varieties and advanced breeding lines; that have been genetically fixed at all loci in regard to general consumer preferences after many cycles of selections. Low diversity in the studied germplasm pool is a reflection of genetic erosion of the existing germplasm pool, which calls for widening of the current germpalsm base. The study further identified several soybean genotypes that protein and oil content above the reported averages. Total oil content varied significantly between origins with genotypes from Zimbabwe showing the highest mean of 20.13% while those from Taiwan had the lowest mean of 18.3%. The study was funded by Soybean Africa Limited, Makerere University Center for Soybean Improvement and Development, Biosciences Eastern and Central Africa – International Livestock Research Institute Hub; and was supervised by Prof. Phinehas Tukamuhabwa and Dr. Thomas L. Odong.


OCHIENG Hannington
OCHIENG Hannington

OCHIENG Hannington
Biological assessment of River Aturukuku in Tororo, Uganda: a tropical river with potential environmental threats from its catchment

Mr. OCHIENG Hannington undertook a biological assessment of River Aturukuku in order to contribute towards its conservation and sustainable utilisation by the riparian communities. His research compared the utility of two macroinvertebrate based Biological Monitoring Working Party indices, from England (temperate region) and Costa Rica (tropical region) for assessing water quality, and explored the assemblages of benthic macroinvertebrates and diatoms along River Aturukuku. His research showed that the two foreign biomonitoring indices could not separate sites based on pollution gradients, attributable to biogeographical differences in environmental conditions and pollution tolerances among macroinvertebrates. The diversity of benthic macroinvertebrates and diatoms in the river was low, with pollution-tolerant taxa dominating. The development of indigenous biotic index for Uganda and specific mitigation measures for conservation of the entire river for sustainable utilisation is recommended. The study was funded by the National Geographic Society and was supervised by Prof. James Okot-Okumu and Dr. Robinson Odong.


SYOFUNA Agatha
SYOFUNA Agatha

SYOFUNA Agatha
Prevalence and impact of stem canker diseases on Eucalyptus grandis and selected Hybrid clones in Uganda

Ms. SYOFUNA Agatha studied the prevalence and impact of stem canker diseases on Eucalyptus grandis and selected Hybrid clones in Uganda. This was based on the background that there is a drive for re-afforestation and a high timber demand in the country, both of which are being solved by extensive plantation development. The study revealed that Eucalyptus plantations are threatened by Botryosphaeria and Teratosphaeria canker diseases throughout the Country mostly in the Central, Eastern and Albertine regions. Five species of Botryosphaeriaceae were identified based on multi-locus phylogenies (ITS and β-tubulin). Pathogenicity tests using species of Botrosphaeriaceae and Teratosphaeria revealed variation in susceptibility of Eucalyptus grandis and selected hybrid clones, suggesting that disease-tolerant Eucalyptus genotypes could be selected for disease management. Furthermore, an assessment of the anatomical, physical, and mechanical properties, revealed brittle failure and high shrinkage in wood from diseased trees, indicating that it is not suitable for some construction applications and should be used with caution. The study was funded by African Development Bank and DAAD, and supervised by Dr Grace Nakabonge and Prof. Abwoli Y. Banana.


TURYAHIKAYO Willy
TURYAHIKAYO Willy

TURYAHIKAYO Willy
Network governance dynamics that influence the generation and implementation of innovative activities within the Agricultural Innovation Platforms.

Mr. TURYAHIKAYO Willy investigated the network governance dynamics that influence the generation and implementation of innovative activities within the Agricultural Innovation Platforms. The study findings showed that the level and structure of interactions have got a profound effect on generation and implementation of new ideas within the agricultural innovation platforms. However, owing to the informal nature of networks, this study revealed stringent collective sanctions in the IPs can negatively impact the innovative activities. The study recommends increased actor interactions in terms of duration and frequency of interactions between actors within the platforms. This study was funded by the German Academic Exchange Service (DAAD), and supervised by Dr. Frank B. Matsiko, Dr. John J. Okiror, Dr. Richard F. Miiro and Prof. Jon Hanf.


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Agriculture & Environment

Master’s Scholars Engage Lwengo and Rakai Communities to Inform Research Conceptualisation

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Prof. Isa Kabenge (Centre in white) with Masters Scholars under ACC and Officials at the Rakai District Local Government Administration Block during the reconnaissance visit held 5th-6th June 2026. Makerere University Master's Scholars under the Africa Climate Collaborative (ACC), an initiative supported by the Mastercard Foundation, reconnaissance visit to Lwengo and Rakai districts in preparation of their academic research engagements, 5th-6th June 2026, Uganda, East Africa.

By Myres Ndyabawe

Makerere University Master’s Scholars under the Africa Climate Collaborative (ACC), an initiative supported by the Mastercard Foundation, undertook a reconnaissance visit to Lwengo and Rakai districts in preparation of their academic research engagements.

The visit was intended to ensure that the research is informed by local realities, priorities, and perspectives, thereby enabling the scholars to undertake work that is responsive to and aligned with the needs of the communities it seeks to serve.

Accompanied by members of the ACC Program Delivery Team, Scholars engaged district technical staff, farmer cooperative representatives, and community members before visiting selected farmers across the two districts.  

Makerere University Master's Scholars under the Africa Climate Collaborative (ACC), an initiative supported by the Mastercard Foundation, reconnaissance visit to Lwengo and Rakai districts in preparation of their academic research engagements, 5th-6th June 2026, Uganda, East Africa.

These interactions provided an opportunity to gain first-hand insights into the climate change-related challenges affecting local livelihoods and communities, thereby helping to inform the design and implementation of their research activities.

Lwengo District Agricultural Officer, Peter Bamwesigye welcomed the Africa Climate Collaborative staff and the Scholars in the district, pledging support for all initiatives that will be implemented in the district under the Africa Climate Collaborative.

“We want such good news and welcome such interventions that transform our communities.  As a district, we believe the research conducted by the students will bring innovations that will improve the lives of the people we serve.” Bamwesigye said.

Community Challenges Requiring Research and Innovation

Richard Ayesiga, the manager of Kyazanga Farmers’ Cooperative Society, which brings together 1,088 farmers, noted that prolonged dry spells and limited knowledge on climate resilience have reduced farmer productivity in the area, urging students to provide solutions to farmers through their research.

Makerere University Master's Scholars under the Africa Climate Collaborative (ACC), an initiative supported by the Mastercard Foundation, reconnaissance visit to Lwengo and Rakai districts in preparation of their academic research engagements, 5th-6th June 2026, Uganda, East Africa.

In Rakai District, the Senior Agricultural Officer, Ivan Bwow, led the team on a field visit to Lake Kijjanebalola. He explained that the proliferation of invasive water weeds has disrupted fishing activities and restricted access to the lake by other users, adversely affecting livelihoods, food security, and household incomes in surrounding communities.

He further observed that some parts of Rakai District are affected by saline water, which limits the viability of irrigation. This challenge has contributed to increased encroachment on swamps and wetlands as communities search for alternative sources of water and productive land, placing additional pressure on fragile ecosystems.

The other challenges that were noted across the two districts include;

  1. Poor waste management
  2. Plastic pollution
  3. Crop pests and diseases
  4. Mis-use of artificial fertilizer that has affected soil health.
Makerere University Master's Scholars under the Africa Climate Collaborative (ACC), an initiative supported by the Mastercard Foundation, reconnaissance visit to Lwengo and Rakai districts in preparation of their academic research engagements, 5th-6th June 2026, Uganda, East Africa.

Research and Innovation to Inform Climate Solutions

Research is a core requirement for the attainment of a Master’s degree at Makerere University. The Scholars, who receive comprehensive scholarships under the ACC to pursue Master’s degrees in various disciplines, are expected to undertake research in Lwengo and Rakai districts during their second year of study.

During the engagement, participants raised concerns about the common practice of researchers collecting data from communities without returning to share the findings and recommendations.

Makerere University Master's Scholars under the Africa Climate Collaborative (ACC), an initiative supported by the Mastercard Foundation, reconnaissance visit to Lwengo and Rakai districts in preparation of their academic research engagements, 5th-6th June 2026, Uganda, East Africa.

Responding to these concerns on behalf of ACC, Mr. Antonny Tugaineyo, Principal Coordinator of the Climate Resilience Support Centre (CRSC), reassured stakeholders that the Program is committed to ensuring that research findings are disseminated to local communities and relevant stakeholders.

 He noted that the evidence generated will be used to inform policy development, strengthen decision-making, and support innovative solutions to climate-related challenges affecting Lwengo and Rakai districts.

“The fourth pillar of the Africa Climate Collaborative is Networks, Policy and Learning. Our work does not end with conducting research. We are committed to engaging stakeholders at all levels to ensure that the knowledge generated benefits the communities that contribute to and participate in the research process,” Mr. Tugaineyo said.

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Agriculture & Environment

Policy Brief: Strengthening Climate Resilience and Livelihoods in Uganda’s Refugee and Host Communities

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Makerere-Cambridge project Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) Workshop Participants, Kikuube district. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.

Uganda’s refugee-hosting and vulnerable communities in Kyangwali (Kikuube district, part of former greater Hoima district) and Kasese district face severe risks from climate change, population pressure, and resource dependence, undermining livelihoods, food security, and water, sanitation, and hygiene (WASH) outcomes. The Makerere-Cambridge project Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) engaged communities through participatory research to identify adaptive practices, infrastructure gaps, and actionable strategies to address these issues.

Our findings are that integrated interventions including community training hubs for capacity building, climate-resilient infrastructure, and participatory resource governance can strengthen resilience, protect livelihoods, prevent potential conflicts, and support sustainable development.

More information: https://chart-cr.org/.

Key Messages for Policy

  • In Hoima District: Erratic rainfall patterns and prolonged dry spells are significantly affecting agricultural productivity and water availability, thereby threatening food security among refugees and vulnerable host communities.
  • In Kasese District: Frequent floods and landslides are causing widespread disruption to agriculture, damaging infrastructure, and compromising food security and WASH services, especially for refugees and vulnerable host populations.
  • Strengthening climate resilience requires combining infrastructure investments, community training, participatory governance, and livelihood support to address interconnected risks in food security, water, and sanitation.
  • Refugee and host communities already demonstrate adaptive practices such as soil conservation, intercropping, and water-efficient farming which can be scaled and reinforced through participatory learning platforms.
  • Women and children bear the brunt of water collection and household labor; inclusive strategies and equitable decision-making in WASH, agriculture, and resource management enhance both resilience and social equity.
  • Investments in climate-resilient infrastructure, integrated community hubs for knowledge exchange and capacity building, and participatory governance could strengthen adaptive capacity, secure livelihoods, prevent societal conflicts between communities and protect health, education, and sustainable development outcomes.

1. Background

Uganda hosts one of Africa’s largest refugee populations under a progressive policy framework that promotes inclusion and self-reliance. Within this context, Kyangwali Refugee Settlement in Hoima District accommodates approximately 155,000 residents, of whom 99.7% are refugees. Women and children constitute nearly 80% of the population, underscoring significant demographic vulnerabilities. Increasing population density, coupled with declining land availability per household, has intensified pressure on natural resources. This has contributed to environmental degradation and heightened exposure to recurrent droughts, thereby constraining agricultural productivity, worsening food insecurity, and increasing dependence on humanitarian assistance. The host communities suffer from the same environmental changes, and the fact that the refugee and host communities are managed separately add to suspiciousness between them that might lead to rising tensions and potential conflicts.

Similarly, Kasese District has an estimated 750,000 people who rely heavily on rain-fed subsistence agriculture, with over 85% of the population dependent on this livelihood system. The district is highly susceptible to climate-related hazards, including recurrent flooding, landslides, and droughts. These risks are particularly pronounced along River Nyamwamba and within the Kilembe mining areas, where environmental instability continues to undermine water and sanitation, infrastructure, disrupt livelihoods, and pose significant public health challenges. The convergence of climate variability, rapid population growth, and high dependence on natural resources creates a complex and reinforcing cycle of vulnerability affecting both refugee and host communities.

A section of river Nyamwamba, Kasese district. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.
A section of river Nyamwamba, Kasese district.

2. Methodology

The project Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops was designed to generate evidence to these challenges and inform integrated policy and programming. The project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions. Implementation was undertaken through a collaborative partnership between Makerere University, the University of Cambridge, and the Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.

Workshop participants, Kasese district. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.
Workshop participants, Kasese district.

The CHART-CR Project adopted a participatory and inclusive research approach, engaging stakeholders comprising refugees, host community members, representatives from the Office of the Prime Minister (OPM), and local government officials. Stakeholder selection prioritized gender balance, age diversity, and the inclusion of marginalized groups, including women, older persons, and persons with disabilities. Data collection employed included workshop discussions, focus group discussions, key informant interviews and field observations. This approach enabled the systematic capture of community perspectives alongside expert insights, generating context-specific, actionable evidence to inform policy and interventions aimed at strengthening climate resilience, food security, WASH systems, and sustainable livelihoods.

Workshop participants sharing climate change challenges, Kikuube district. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.
Workshop participants sharing climate change challenges, Kikuube district.

Workshop participants sharing floods, and water related challenges, Kasese district. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.
Workshop participants sharing floods, and water related challenges, Kasese district.

3. Climate Variability and Environmental Pressures Key Policy Issues

In Kyangwali, rainfall patterns have become increasingly erratic, with delayed rainy seasons and prolonged dry spells disrupting traditional planting and harvest cycles and significantly reducing yields. Deforestation associated with refugee settlement expansion has reduced soil moisture retention, biodiversity, and microclimate regulation, further undermining agricultural productivity.

Sweet potato garden destroyed by drought in Kyangwali settlement scheme. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.
Sweet potato garden destroyed by drought in Kyangwali settlement scheme.

In Kasese, floods from River Nyamwamba and recurring droughts threaten homes, crops, and infrastructure, displacing households and reducing agricultural yields. Both districts experience environmental degradation that exacerbates vulnerability to climate shocks.

Section of houses which were destroyed by river Nyamwamba floods in Kasese district. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.
Section of houses which were destroyed by river Nyamwamba floods in Kasese district.

Food Security and Livelihood Constraints

Shrinking per capita land provision, declining seed quality, limited access to farm inputs, and weak storage infrastructure constrain crop diversification and household self-reliance in both districts. Post-harvest losses and limited market access reduce household income, heightening vulnerability. Refugee-host interactions, including land rental, knowledge exchange, and market engagement, enhance resilience but might also create perceptions of inequality due to differences in institutional support.

Water Access and availability Challenges

Communities face water scarcity and contamination from communal usage, poor sanitation, and agricultural runoff. Women and children bear the primary burden of water collection, often traveling long distances, which reduces labor productivity and school attendance. In Kasese district, low latrine coverage, open defecation, and inadequate waste management increase exposure to waterborne diseases. Floods and landslides on Kasese further compromise water quality and availability and thus increase health risks.

Boys fetching water from river Nyamwamba, Kasese district. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.
Boys fetching water from river Nyamwamba, Kasese district.
Girl fetching water from river Nyamwamba, Kasese district. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa.
Girl fetching water from river Nyamwamba, Kasese district.


Adaptive Capacities

Despite these challenges, communities demonstrate strong local knowledge and adaptive practices, including informal water management, soil conservation, intercropping, and water-efficient farming techniques. Participatory approaches, joint training in climate-smart agriculture, and collaborative livelihood initiatives foster social cohesion and knowledge sharing between refugees and host communities. Existing leadership structures, community awareness, and partial infrastructure provide a foundation for scaling resilience interventions.

4. Conclusions and Policy Directions

Climate variability, population pressure, and resource dependence significantly undermine livelihoods, food security, and Water Sanitation and Hygiene (WASH) outcomes in Kyangwali and Kasese. Communities possess valuable experiential knowledge, adaptive practices, and social cohesion; however, structural constraints including weak infrastructure, limited financing, low technical capacity, and fragmented coordination – limit the effectiveness of local strategies.

To strengthen resilience, integrated interventions are required that bridge humanitarian response and long-term development, institutionalize participatory and gender-sensitive approaches, build human, social, and institutional capital, and align local priorities with technical expertise and policy frameworks. Key policy measures include:

  • Establish and strengthen integrated community resilience centers that serve as hubs for capacity building, knowledge exchange, and practical training in climate-smart agriculture, environmental conservation, food storage, water management, and market access. These centers should also promote inclusive learning, skills development, and cooperative enterprises that support both refugee and host communities in developing sustainable livelihoods.
  • Invest in Climate-Resilient Infrastructure: Upgrade WASH systems, construct protected wells, boreholes, piped water networks, and communal storage facilities, and restore riverbanks through tree planting and drainage maintenance to reduce soil erosion and contamination.
  • Promote Community-Led Resource Governance: Support participatory water, sanitation, and agricultural management, including monitoring systems for adaptive learning, equitable resource allocation, and gender-sensitive decision-making.

These combined strategies will enhance adaptive capacity, secure sustainable development outcomes, and protect livelihoods, food security, health, and education for Uganda’s most vulnerable populations.

5. Call to Action

The experiences and lessons learnt from Hoima (Kyangwali Refugee Settlement and adjacent host communities) and Kasese (refugee and host communities living around River Nyamwamba) under the CHART-CR project highlight the urgent need for integrated, locally informed, and coordinated resilience strategies. By aligning technical expertise, policy frameworks, and community knowledge, stakeholders can enhance adaptive capacity, secure sustainable development outcomes, and protect livelihoods, food security, health, and education for Uganda’s most vulnerable populations. Further details about the CHART-CR project, its research, and outcomes can be accessed at https://chart-cr.org/

About the Authors

Dr. Gabriel Karubanga Lecturer, Makerere University, Uganda. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa. Dr. Gabriel Karubanga Lecturer, Makerere University, UgandaDr. Irit Katz, Assoc. Prof. of Architecture, University of Cambridge, UK. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa. Dr Irit Katz, Assoc. Prof. of Architecture, University of Cambridge, UKMr. Frank Mafumo, PhD student, Makerere University, Uganda. The Communities of Hosts and Refugees Transitioning to Climate Resilience (CHART-CR) through workshops project focused on the interlinked dimensions of climate variability, food security, livelihoods, and water availability across diverse ecological contexts, including lowland refugee-hosting areas and mountainous, flood-prone regions through collaborative partnership between Makerere University Kampala Uganda, East Africa, University of Cambridge, and Cambridge-Africa Programme, with financial support from the Mastercard Foundation and Cambridge-Africa. Mr. Frank Mafumo, PhD student, Makerere University, Uganda

Important Contacts

  1. Dr. Gabriel Karubanga, Lecturer, Department of Extension and Innovation Studies, College of Agricultural and Environmental Sciences, Makerere University, P.O. Box 7062, Kampala, Uganda. Tel. +256782929971; email: gabriel.karubanga@mak.ac.ug
  2. Dr Irit Katz, Associate Professor of Architecture and Urban Studies, Department of Architecture, University of Cambridge; email: ik300@cam.ac.uk
  3. Mr. Frank Mafumo, PhD student, Department of Extension and Innovation Studies, College of Agricultural and Environmental Sciences, Makerere University, P.O. Box 7062, Kampala, Uganda. Tel. +256774171519; email: mafumofrank2020@gmail.com

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Agriculture & Environment

Prof. Isa Kabenge Officially Hands Over Leadership of DABE to Prof. Joshua Wanyama

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Prof. Isa Kabenge handing over the office keys to Prof. Joshua Wanyama. Prof. Isa Kabenge has officially hands over leadership of the Department of Agricultural and Biosystems Engineering (DABE) on 4th June 2026, School of Food Technology, Nutrition and Bioengineering Conference Hall, College of Agricultural and Environmental Sciences (CAES), Makerere University, Kampala Uganda, East Africa.

Prof. Isa Kabenge has officially handed over leadership of the Department of Agricultural and Biosystems Engineering (DABE) at the College of Agricultural and Environmental Sciences (CAES), Makerere University to Prof. Joshua Wanyama. Prof. Kabenge has served as Head of Department since 2021, providing four years of leadership marked by institutional growth, strengthened partnerships, and expanded academic output. Prof. Wanyama will serve as Head of Department for a four-year term, effective 6th May 2026.

The handover ceremony, held in the Conference Hall of the School of Food Technology, Nutrition and Bioengineering (SFTNB) on 4th June 2026, was attended by key university officials and members of staff from the department. These included the Director of Human Resources, Makerere University, represented by the CAES Principal Human Resource Officer, Mr. Julius Lebo; the Dean of SFTNB, Dr. Julia Kigozi; and the Head of Internal Audit, represented by the College Bursar, Ms. Susan Kyamulabi.

Prof. Kabenge presenting his handover report. Prof. Isa Kabenge has officially hands over leadership of the Department of Agricultural and Biosystems Engineering (DABE) on 4th June 2026, School of Food Technology, Nutrition and Bioengineering Conference Hall, College of Agricultural and Environmental Sciences (CAES), Makerere University, Kampala Uganda, East Africa.
Prof. Kabenge presenting his handover report.

Remarks and Appreciation by the Dean 

In her remarks, Dr. Julia Kigozi commended Prof. Kabenge for his dedicated service and exemplary leadership. She appreciated him for the cordial working relationship, professionalism, and steadfast commitment to institutional development. She particularly acknowledged his efforts in initiating and strengthening partnerships with both local and international partners, which have significantly enhanced the department’s academic and research profile.

 Dr. Kigozi congratulated Prof. Wanyama on his appointment and expressed confidence that he would build on the accomplishments of his predecessor.

Some members of staff from DABE at the handover ceremony. Prof. Isa Kabenge has officially hands over leadership of the Department of Agricultural and Biosystems Engineering (DABE) on 4th June 2026, School of Food Technology, Nutrition and Bioengineering Conference Hall, College of Agricultural and Environmental Sciences (CAES), Makerere University, Kampala Uganda, East Africa.
Some members of staff from DABE at the handover ceremony.

Reflections from Prof. Kabenge

Prof. Kabenge expressed gratitude to the University Management, as well as the staff of DABE, for entrusting him with the responsibility of leading the department over the past four years. He also acknowledged the support extended to him by the College and School leadership throughout his tenure.

“My time in office coincided with particularly challenging circumstances, including the COVID-19 pandemic and staff shortages. Despite these difficulties, I commend the resilience, dedication, and teamwork demonstrated by staff, which enabled the department to continue progressing. This experience has affirmed that DABE has an exceptional team with immense potential that can be leveraged to elevate the department to even greater heights,” he said. “It has been an honour to serve as Head of Department. As I step down, I do so with full confidence in the direction the department is taking.”

The Dean of the School of Food Technology, Nutrition and Bioengineering, Dr. Julia Kigozi delivering her remarks. Prof. Isa Kabenge has officially hands over leadership of the Department of Agricultural and Biosystems Engineering (DABE) on 4th June 2026, School of Food Technology, Nutrition and Bioengineering Conference Hall, College of Agricultural and Environmental Sciences (CAES), Makerere University, Kampala Uganda, East Africa.
The Dean of the School of Food Technology, Nutrition and Bioengineering, Dr. Julia Kigozi delivering her remarks.

 Prof. Kabenge encouraged staff to continue strengthening the culture of collaboration that has become a hallmark of the department, emphasizing the importance of interdisciplinary engagement. “Many of the issues the department addresses, such as water security and climate-smart agriculture, are complex and require diverse expertise and collaborative approaches,” he noted.

 Prof. Kabenge pledged to continue supporting the department, particularly in the areas of research and collaboration.

Achievements registered

The overarching goal of DABE is to remain a leading center of excellence in agro-production and food systems within the region and across East Africa. The Department currently hosts approximately 315 students and offers a range of academic programmes, including the Bachelor of Science in Agricultural Engineering, Bachelor of Science in Water and Irrigation Engineering, Bachelor of Science in Bioprocessing Engineering, Master of Science in Agricultural Engineering, and a PhD in Agricultural Engineering.

The incoming Head, Prof. Joshua Wanyama delivering his remarks at the ceremony. Prof. Isa Kabenge has officially hands over leadership of the Department of Agricultural and Biosystems Engineering (DABE) on 4th June 2026, School of Food Technology, Nutrition and Bioengineering Conference Hall, College of Agricultural and Environmental Sciences (CAES), Makerere University, Kampala Uganda, East Africa.
The incoming Head, Prof. Joshua Wanyama delivering his remarks at the ceremony.

Strengthened Research Profile

Prof. Kabenge leaves office at a time when the department has established a strong research profile, with academic staff producing more than 40 publications annually. Research within the department spans a wide range of thematic areas, including soil, water and irrigation engineering; bioprocess engineering; food processing, preservation and bio-based materials; nanotechnology and bioprocessing technologies for agriculture; artificial intelligence and engineering modelling; and power and machinery for sustainable agriculture. This growing research output has been complemented by an expanding network of collaborations that has strengthened the department’s capacity for innovation, knowledge exchange, and practical impact.

Infrastructure and Capacity Building

In addition, DABE has developed several practical training and research facilities, including a fabrication workshop at the Makerere University Agricultural Research Institute Kabanyolo (MUARIK), aquaculture ponds, irrigation demonstration and experimental systems, post-harvest handling facilities such as refractive window dryers and hybrid solar dryers, and a water science laboratory currently under development. Many of these facilities have been established through research projects funded by both local and international partners.

The Department also hosts the Africa Water Quality Testing Fellowship, a capacity-building programme implemented in partnership with the Aquaya Institute. The fellowship trains students and early-career professionals in water quality monitoring, testing, and management through classroom instruction, laboratory practice, and field-based research. It aims to strengthen Africa’s water workforce, improve access to reliable water quality data, and support safer drinking water systems. The programme is part of a five-year regional initiative (2021-2026) operating through universities in Uganda, Ghana, and Ethiopia.

The Principal Human Resource Officer of CAES, Mr. Julius Lebo presided over the ceremony. Prof. Isa Kabenge has officially hands over leadership of the Department of Agricultural and Biosystems Engineering (DABE) on 4th June 2026, School of Food Technology, Nutrition and Bioengineering Conference Hall, College of Agricultural and Environmental Sciences (CAES), Makerere University, Kampala Uganda, East Africa.
The Principal Human Resource Officer of CAES, Mr. Julius Lebo presided over the ceremony.

Welcoming the New Head

Prof. Kabenge congratulated Prof. Wanyama on his appointment and encouraged him to sustain and further strengthen the department’s local and international partnerships. He specifically encouraged the revival of visiting professorships and deeper engagement with the department’s expanding and well-connected alumni network.

Remarks by the University Officials and Incoming Head

The Director of Human Resources, represented by Mr. Julius Lebo, commended the outgoing head for his dedicated service and welcomed the incoming head, appreciating his willingness to take on the leadership role.

Similarly, the College Bursar, Ms. Susan Kyamulabi, praised Prof. Kabenge for his professionalism, strong administrative organization, and prudent management of departmental funds.

In his remarks, Prof. Joshua Wanyama expressed gratitude to University Management for his appointment, and to Prof. Kabenge, for his exemplary servant leadership and mentorship. He acknowledged the department’s steady growth under the outgoing head and thanked staff for entrusting him with the responsibility to lead them.

The College Bursar, Ms. Susan Kyamulabi. Prof. Isa Kabenge has officially hands over leadership of the Department of Agricultural and Biosystems Engineering (DABE) on 4th June 2026, School of Food Technology, Nutrition and Bioengineering Conference Hall, College of Agricultural and Environmental Sciences (CAES), Makerere University, Kampala Uganda, East Africa.
The College Bursar, Ms. Susan Kyamulabi.

“I pledge my full commitment to serve. DABE is known for excellence and delivery, and I intend to uphold and strengthen that legacy. We shall continue working as a team to pursue excellence and further develop our department,” he said.

Brief about Prof. Joshua Wanyama

Prof. Joshua Wanyama is a Ugandan academic and Agricultural and Biosystems Engineer serving as an Associate Professor in the Department of Agricultural and Biosystems Engineering at Makerere University. He holds a PhD in Bioscience Engineering from Katholieke Universiteit Leuven (Belgium), a Master of Science in Water Science and Engineering from IHE Delft Institute for Water Education (Netherlands), and a Bachelor of Science in Agricultural Engineering from Makerere University.

With over twenty years of experience in teaching, research, and academic mentorship, he specializes in irrigation engineering, water resources management, watershed systems, and climate-smart agriculture. His work focuses on advancing sustainable agricultural water systems and strengthening climate resilience in Uganda and the wider region.

Members of staff from DABE together with the Dean of the SFTNB, Dr Julia Kigozi, the College HR and Bursar, and the outgoing and incoming heads at the handover ceremony. Prof. Isa Kabenge has officially hands over leadership of the Department of Agricultural and Biosystems Engineering (DABE) on 4th June 2026, School of Food Technology, Nutrition and Bioengineering Conference Hall, College of Agricultural and Environmental Sciences (CAES), Makerere University, Kampala Uganda, East Africa.
Members of staff from DABE together with the Dean of the SFTNB, Dr Julia Kigozi, the College HR and Bursar, and the outgoing and incoming heads at the handover ceremony.

He has supervised several undergraduate and postgraduate students, contributed to curriculum development, and served as an external examiner for a number of universities across Africa. He is a registered professional engineer and an active member of professional bodies including the Uganda Institution of Professional Engineers and the American Society of Agricultural and Biological Engineers.

In recognition of his academic excellence, he was named among the top-performing mid-career researchers and lecturers at the College of Agricultural and Environmental Sciences (CAES) in the 2025 Vice Chancellor’s Research Excellence Awards.

Pictorial of the handover ceremony:

https://drive.google.com/drive/folders/1RjIS9_8mPM5HVr7UAFP7ik43kkpj-WOY?usp=sharing

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