Christian Borgemeister

Christian Borgemeister
University of Bonn | Uni Bonn · Center for Development Research - Managing Director

PhD

About

262
Publications
57,324
Reads
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6,543
Citations
Citations since 2016
120 Research Items
3926 Citations
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20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
Additional affiliations
November 2013 - March 2021
Center for Development Research (ZEF) University of Bonn
Position
  • Managing Director
Description
  • Ecology and Natural Resources Management
June 2005 - September 2013
April 1998 - April 2005
Leibniz Universität Hannover
Position
  • Professor

Publications

Publications (262)
Article
Full-text available
Availability is a crucial aspect of wild edible plants (WEPs) consumption by indigenous communities. Understanding the local perception of this availability helps to determine, which contribution WEPs can make to rural communities. We used an integrated participatory approach to investigate important parameters and themes that influenced the percep...
Article
Full-text available
The impact of invasive alien pests on agriculture, food security, and biodiversity conservation has been worsened by climate change caused by the rising earth’s atmospheric greenhouse gases. The African citrus triozid, Trioza erytreae (Del Guercio; Hemiptera: Triozidae), is an invasive pest of all citrus species. It vectors the phloem-limited bacte...
Article
Full-text available
Background The impacts of multicomponent school water, sanitation, and hygiene (WaSH) interventions on children’s health are unclear. We conducted a cluster-randomized controlled trial to test the effects of a school WaSH intervention on children’s malnutrition, dehydration, health literacy (HL), and handwashing (HW) in Metro Manila, Philippines....
Book
The prevailing understanding of water resource management in Afghanistan continues to be confined to ideas about physical, preferably concrete, engineered infrastructure. This has relegated scientific research from the fore, meaning that the prerequisites for sustainable planning and management continue to be absent. To take adaptive steps for sust...
Article
Full-text available
The African coconut beetle Oryctes monoceros and Asiatic rhinoceros beetle O. rhinoceros have been associated with economic losses to plantations worldwide. Despite the amount of effort put in determining the potential geographic extent of these pests, their environmental suitability maps have not yet been well established. Using MaxEnt model, the...
Article
The resilience of African rural livelihoods is at risk due to over-reliance on rain-fed agriculture, which increasingly suffers from climate variability. Extractive communities are exposed to changes from extractivism and climate conditions. The double exposure framework is employed to contextualise factors influencing households’ perspectives on t...
Article
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Pigeon pea (Cajanus cajan) remains an under-researched ‘orphan crop’ yet is important for food and nutrition security of smallholders. Furthermore, smallholders are heterogeneous, with varying perceptions and resource capacities. Against this backdrop, we clustered smallholders and assessed their preferences for pigeon pea. Data were gathered throu...
Article
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The past years were marked by the COVID-19 pandemic, economic downfall, the 5th anniversary of the Paris Climate Agreement, and the end of the African Women’s Decade. According to the latest projections, African countries will continue to face increasing inequalities, as well as risks to human health, water and food security, due to climate change....
Article
One Health (OH) has gained considerable prominence since the beginning of the 21st century, among others, driven by the recent epidemics and the increasing importance of zoonotic diseases. Yet despite the holistic and multidimensional nature of OH, to date most emphasis has been on the interactions between animal and human health, with considerably...
Article
The African citrus triozid (ACT) Trioza erytreae (Del Guercio) (Hemiptera: Triozidae), is a principal vector of “Candidatus Liberibacter species”, the pathogens implicated in citrus greening disease, infecting millions of citrus trees annually. Unfortunately, present control measures are insufficient, necessitating the development of novel climate-...
Preprint
In West Africa, malaria is a leading cause of disease-induced fatalities. While it is generally thought that urbanization reduces malaria incidence, the relationship between urbanicity, i.e., the impact of living in urban areas, and transmission remains unclear. This study aims to explore this association in Ghana, using eight district-level datase...
Article
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The adverse impact of climate change on different regionally important sectors such as agriculture and hydropower is a serious concern and is currently at the epicentre of global interest. Despite the extensive efforts to project the future climate and assess its potential impact, it is surrounded by uncertainties. This study aimed to assess climat...
Article
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This study assessed problems associated with irrigation water provisions and the potential barriers to the adaptation of the interventions (soil moisture sensors, on-farm water storage facilities and the drip method) under rotational canal water distribution in Punjab, Pakistan. Three groups of stakeholders were individually surveyed during Septemb...
Article
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As a significant threat to agriculture, pests have caused a great disservice to crop production and food security. Understanding the mechanisms of pests' outbreaks and invasion is critical in giving sound suggestions on their control and prevention strategies. The African rhinoceros beetle, Oryctes monoceros (Olivier), as the most damaging pest of...
Article
Full-text available
The impacts of climatic disasters have been rising globally. Several studies argue that this upward trend is due to rapid growth in the population and wealth exposed to disasters. Others argue that rising extreme weather events due to anthropogenic climate change are responsible for the increase. Hence, the causes of the increase in disaster impact...
Article
Full-text available
Climate change is expected to have a significant influence on species range expansion, habitat shifts, and risk of biological invasion due to changes in survival rates, and rapid reproduction. This will tend to affect their geographical distribution and dispersal patterns, thereby threatening agriculture production and food security. Therefore, it...
Article
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The authors regret that the printed version of this article contained some flaws, which this corrigendum aims to clarify. The authors would like to apologise for any inconvenience caused. The authors would like to clarify some flaws identified in the description of the methodology applied for the estimation of the human health impact results and as...
Article
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Due to many uncertainties in hydrological data and modeling, the findings are frequently regarded as unreliable, especially in heterogeneous catchments such as the Kabul River Basin (KRB). Besides, statistical methods to assess the performance of the models have also been called into doubt in several studies. We evaluated the performance of the Soi...
Article
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The introduction of organic farm management practices in sub-Saharan Africa could act as a lever for supporting regional sustainable development. In this study, we sought to assess the sustainability performance of organic (certified and non-certified) and non-organic farms in the dry Kajiado County and the wet Murang’a County in Kenya, based on fo...
Article
CONTEXT Even though diversification of horticultural production systems allows farmers to cope with risks and uncertainties, strategies for raising profitability usually aim to improve the productivity of monocultures rather than pursuing diversification. Horticultural production systems are often highly diversified in terms of land use and planted...
Article
Introduction Diarrhoea, malnutrition, and dehydration threaten the lives of millions of children globally due to inadequate water, sanitation, and hygiene (WaSH). Our study aimed to identify environmental and behavioural risk factors of these health outcomes among schoolchildren in Metro Manila, Philippines. Materials and methods We analysed data...
Conference Paper
Human mortality and economic losses due to climatic disasters have been rising globally. Several studies argue that this upward trend is due to rapid growth in the population and wealth exposed to disasters. Others argue that rising extreme weather events due to anthropogenic climate change are responsible for the increase. Hence, the causes of the...
Article
1. The coconut mite Aceria guerreronis Keifer (Acari: Eriophyidae), is a destructive mite pest of coconut, causing significant economic losses. However, an effective pest management strategy requires a clear understanding of the geographical areas at risk of the target pest. 2. Therefore, we predicted the potential global distribution A. guerreroni...
Preprint
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Active reclamation is often necessary to ensure a transformation of mining waste into Technosols -“soils dominated or strongly influenced by human made material” - and restore its utility and environmental value. The objective of this study was to assess the spatial variation of the physicochemical properties of a Technosol forming on dredged sedim...
Article
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Understanding leaf litter decomposition dynamics is imperative owing to nutrient release rates and synchronization. The emphasis is to sustainably manage agroforestry system and ensure environmental integrity. Therefore, this study aimed at determining the decomposition and nutrient release of leaves of different bamboo species (Oxytenanthera abyss...
Article
Background: The Asian citrus psyllid (ACP) Diaphorina citri Kuwayama (Hempitera: Liviidae) is a destructive, invasive species which poses a serious threat to the citrus industry wherever it occurs. The psyllid vectors the phloem-limited bacteria "Candidatus Liberibacter americanus" and "Candidatus Liberibacter asiaticus", causal agents of the incu...
Preprint
Full-text available
The impact of invasive alien pests on agriculture, food security, and biodiversity conservation has been worsened by climate change caused by the rising earth’s atmospheric greenhouse gases. The African citrus triozid, Trioza erytreae (Del Guercio; Hemiptera: Triozidae), is an invasive alien pest of all citrus species. It vectors the phloem-limited...
Article
Full-text available
Urban growth, coupled with increasing vegetable demand, has led to the utilization of lowlands in Cameroon for agricultural production. This study investigates the factors influencing the farming practices and the prevalence of diseases in vegetable producers through a cross-sectional survey of 130 farmers. Using logistic regression models, we foun...
Article
The Gravity Recovery and Climate Experiment (GRACE) has recently been identified as a useful tool for monitoring changes in groundwater storage (GWS), especially in areas with sparse groundwater monitoring networks. However, GRACE's performance has not been evaluated in the highly heterogeneous Indus Basin (IB) to date. The objective of this study...
Article
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The supply of surface water by century-old infrastructure causes substantial water loss and triggers huge abstractions of groundwater, resulting in low irrigation efficiency. We evaluated the irrigation performance (application and conveyance efficiencies) and water availability (supply-demand) from the field to the Mungi Distributary canal level i...
Article
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Malaria elimination will be challenging in countries that currently continue to bear high malaria burden. Sex-ratio distorting gene drives, such as driving-Y, could play a role in an integrated elimination strategy if they can effectively suppress vector populations. Using a spatially explicit, agent-based model of malaria transmission in eight pro...
Article
Full-text available
Citation: Akhtar, F.; Awan, U.K.; Borgemeister, C.; Tischbein, B. Coupling Remote Sensing and Hydrological Model for Evaluating the Impacts of Climate Change on Streamflow in Data-Scarce Environment. Sustainability 2021, 13, 14025. https://doi.
Preprint
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Thailand was the first country outside China to report a COVID-19 case but had a mild impact from the outbreak especially at the beginning of the pandemic. This study systematically investigates the evolution of the COVID-19 epidemic in Thailand from January 2020 to March 2021 to uncover the COVID-19 situation in the country. By modeling all health...
Article
Full-text available
The African citrus triozid (ACT), Trioza erytreae Del Guercio (Hemiptera: Triozidae), is the major vector of the ‘Candidatus Liberibacter africanus’, associated with the African citrus greening disease [huanglongbing (HLB)]. Although T. erytreae is a very destructive pest in citrus production with yield losses up to 100%, there is limited informati...
Article
Full-text available
Western diets are associated with multiple environmental impacts and risks to human health. European countries are gradually taking action towards the Farm to Fork Strategy, embracing a Life Cycle Assessment (LCA) perspective to promote the sustainability of food production and consumption. Although LCA enables the comprehensive assessment of envir...
Article
The last decades are recognized as a period when a gender-sensitive perspective being broadly acknowledged by the majority of actors involved in the field of climate change. Existing gender inequalities exacerbated by climate change urge the inclusion of a differentiated female-male approach into research, decision-making processes, adaptation, and...
Article
The genus Orbivirus includes a variety of pathogenic viruses that are transmitted by biting midges, mosquitoes and ticks. Some of the economically most relevant orbiviruses are endemic to Namibia, like the livestock-pathogenic Bluetongue and African horse sickness viruses. Here, we assessed the diversity of orbiviruses circulating in the Zambezi re...
Article
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Globally, the expansion of livestock and fisheries production is severely constrained due to the increasing costs and ecological footprint of feed constituents. The utilization of black soldier fly (BSF) as an alternative protein ingredient to fishmeal and soybean in animal feed has been widely documented. The black soldier fly larvae (BSFL) used a...
Preprint
Full-text available
The impacts of climatic disasters have been rising globally. Several studies argue that this upward trend is due to rapid growth in the population and wealth exposed to disasters. Others argue that rising extreme weather events due to anthropogenic climate change are responsible for the increase. Hence, the causes of the increase in disaster impact...
Preprint
Full-text available
Climate change (CC) is expected to significantly affect biodiversity and ecosystem services. Adverse impacts from CC in the Global South are likely to be exacerbated by limited capacities to take adequate adaptation measures and existing developmental challenges. Insect pests today are already causing considerable yield losses in agricultural crop...
Article
In recent years, community’s perceptions and acceptance of edible insects as novel foods has gained momentum worldwide. Despite the importance of entomophagy in Kenya, little information exists on knowledge, perceptions and practices of edible insects among different communities. This study seeks to address this information gap by conducting survey...
Article
Full-text available
The potential of organic agriculture and agroecological approaches for improving food security in Africa is a controversial topic in global discussions. While there is a number of meta-analyses on the environmental, agronomic and financial performance of organic farming, most of the underlying data stems from on-station field trials from temperate...
Article
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Background Several studies that aim to enhance the understanding of malaria transmission and persistence in urban settings failed to address its underlining complexity. This study aims at doing that by applying qualitative and participatory-based system analysis and mapping to elicit the system’s emergent properties. Methods In two experts’ worksh...
Article
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The promotion of edible insects, including saturniid caterpillars as potential food source is widely gaining momentum. They are adequately rich in nutrients such as proteins, amino acids, fatty acids, and micronutrients. Despite saturniids being a traditional food source with economic benefits, information on their diversity, host plants and their...
Article
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Whereas many researchers still approach Terra Preta (TP) as a soil category, new evidence suggests that TP refers to a directional grading of soil property changes (i.e., color, pH, nutrients, etc.) within human-made soils, originating from human activities in pre-Columbian times. Currently, most TP research focuses on the Brazilian part of the Ama...
Article
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Bioturbation involves the incorporation of residues from the surface soil into the subsoil; however, common small soil ‘bioengineers’, such as earthworms or termites, are unlikely to transport human artifacts to deeper soil horizons. However, such artifacts occur in the deeper soil horizons within Amazonian Anthrosols (Terra Preta). Here we test th...
Article
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Flaviviruses include a great diversity of mosquito-borne arboviruses with epidemic potential and high global disease burden. Several flaviviruses are circulating in southern Africa affecting humans and livestock, among them West Nile virus (WNV) and Wesselsbron virus. Despite their high relevance, no arbovirus surveillance study has been conducted...
Preprint
Full-text available
Several studies that aim to enhance the understanding of malaria transmission and persistence in urban settings failed to address its underlining complexity. We aim at doing that by applying a qualitative and participatory-based system analysis and mapping to elicit the system’s emergent properties. In two experts’ workshops, we sketched and refine...
Article
Full-text available
The goal to improve food security in sub-Saharan Africa (SSA) through domestic, resource efficient and low carbon agriculture is importance. Interventions to produce more food could impact the resource-base and lead to increase in greenhouse gas (GHG) emissions from agroecosystems. Unfortunately, existing methods are limited in analyzing small-scal...
Article
Maize lethal necrosis (MLN) is a severe disease in maize that significantly reduces yields by up to 90% in maize-growing regions such as Kenya and other countries in Africa. The disease causes chlorotic mottling of leaves and severe stunting which leads to plant death. The spread of MLN in the maize-growing regions of Kenya has intensified since th...
Article
Full-text available
A major challenge to climate-related research is the lack of a well-documented historical climate dataset. Unfortunately, most of the climate databases in developing countries have a critical data quality problem (missing data in time series and inhomogeneity). This study aimed to prepare a complete and homogenized climate dataset for the Tekeze ri...
Article
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Diarrhea, soil-transmitted helminth infection and malnutrition are leading causes of child mortality in low- and middle-income countries (LMICs). To reduce the prevalence of these diseases, effective interventions for adequate water, sanitation, and hygiene (WaSH) should be implemented. This paper describes the design of a cluster-randomized contro...
Article
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The emergence of arthropod-borne viruses (arboviruses) as linked to land-use changes, especially the growing agricultural intensification and expansion efforts in rural parts of Africa, is of growing health concern. This places an additional burden on health systems as drugs, vaccines, and effective vector-control measures against arboviruses and t...
Preprint
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Diarrhea, soil-transmitted helminth (STH) infection, and malnutrition threaten the lives of millions of children globally but particularly in the Global South, where inadequate water, sanitation, and hygiene (WaSH) drive disease risk. The aim of our study was to identify environmental and behavioral risk factors of these diseases among schoolchildr...
Poster
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We propose an LCA framework for quantifying impacts from food consumption under the OH approach. We apply it to assess the sustainability of dietary patterns in the city of Essen in the Ruhr Metropolis (Germany)
Article
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In the quest to promote bamboo agroforestry in the dry semi-deciduous forest zone of Ghana, we evaluated changes in soil properties, crop productivity and the economic potential of a bamboo-based intercropping system. The intercropping system was established from 3-months old sympodial bamboo (Bambusa balcooa) seedlings planted at a 5 m × 5 m spaci...
Article
Full-text available
The African citrus triozid Trioza erytreae Del Guercio (Hemiptera: Triozidae) is the most destructive citrus pest. Presently, biological data on T. erytreae are insufficient for important parameters like distribution, seasonal dynamics and entomopathogens. Therefore, we determined the temporal dynamics of T. erytreae along three different altitudin...
Article
The knowledge of the soil status and gaps at the scale of a managed plot in rift valley escarpments of east and southern Africa is often blurred, either unknown, polygon based or only available at large spatial resolution. Using data from 219 locations within 100 km2 sentinel site in rural Malawi, this study aims to evaluate the proximal remotely s...
Article
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This paper explores the role of women empowerment and labour on enabling farmers to cross two hurdles: adopt and intensify soil fertility management (SFM), coming after six decades of SFM research that disseminated several technologies. Despite the assertion that productivity gains cannot be realised unless drivers of soil degradation are addressed...
Article
The African citrus triozid (ACT), Trioza erytreae (Del Guercio), is the primary vector of Candidatus Liberibacter africanus (CLaf), the causative agent of Africa citrus greening disease (ACGD). This study evaluates the diversity of ACT parasitoids and further characterizes endosymbionts associated with both T. erytreae and its parasitoids that coul...
Article
• The African citrus triozid (ACT) Trioza erytreae (Del Guercio) (Hemiptera: Triozidae) and the Asian citrus psyllid (ACP) Diaphorina citri (Kuwayama) (Hemiptera: Liviidae) are primary vectors of the ‘Candidatus ’ Liberibacter spp. ACT is associated with ‘Candidatus Liberibacter africanus’ (CLaf) causal agent of the African citrus greening disease...
Preprint
Full-text available
The tremendous burden of malaria has led to renewed efforts on malaria elimination and the development of novel tools for application where existing tools fall short. Gene drive mosquitoes, where transgenes and their associated phenotypes are efficiently propagated to future generations, are under development to suppress vector populations or rende...