Drought Influences on Food Insecurity in Africa: A Systematic Literature Review
Abstract
:1. Introduction
2. Materials and Methods
3. Search Strategy
4. Results
4.1. Study Characteristics
4.2. Effects of Drought and Vulnerability on Food Insecurity: Vulnerable Groups
4.3. Resilience Strategies
4.4. The Effects of Adaptation Strategies on Local Farmers in Africa
4.5. Drought Influences on Food Insecurity in Africa
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Article Authors | Research Design and Methodology | Sampling and Setting of the Study | Research Objectives | Themes | Conclusions/Impacts of a Specific Drought and Vulnerability to Climate Change |
---|---|---|---|---|---|
[10] | A qualitative study analysing policies on governments’ response to drought crisis | Two similar countries in characteristics (Malawi and Zambia) in the SADC region | Examine the impacts of drought on food security and response strategies in the Southern African crisis in 2001 and 2002 | Both countries have similar features which render them vulnerable to food insecurity, are dependent on maize, have similar patterns of weather and have poor health standards. The prevalence of HIV/AIDS adversely affects the populations including people without land, households headed by women, and orphans | Policy recommendations include increasing food reserves, encouraging formal and informal trade, establishing social protection and innovating programmes, and establishing a global contingency fund. The drought effects on increasing food insecurity have necessitated a myriad of organisations such as the World Bank (WB), World Food Programme (WFP) to provide a humanitarian assistance, the United Kingdom’s Department for International Development (DFID) and Oxfam. These organisations offer support and create safety net programmes |
[11] | A qualitative literature study | n/a Generic challenges faced by those living in rural areas in Malawi | Examine the challenges faced by the rural poor of Malawi; address important issues and suggest recommendations on the development of national and rural policies | In Malawi, the liberalisation of policies and market interventions are failing; the market has constrained the existing intensive and productive technologies that suit local agroecology | Effective rural development strategies and policies are important for Malawi to develop economically. Also important are understanding the relevance of the study on the process of developing rural areas in Africa; learning from other countries in local and national institutions regarding agricultural technologies and opportunities, communications and infrastructure; and non-farming opportunities. Intensive maize technologies are suggested. The food crisis in the aftermath of drought in Malawi has had an impact, drawing stark attention to the failure of development policies which have resulted in a low return to farmers and service providers’ investments |
[1] | The qualitative and quantitative research approaches used in this study were gleaned from the daily meteorological records of temperature and rainfall in two selected areas; simple random and multi-stage procedures were performed | n = 284 (Diffa district) n = 98 (Aguie district) farmers Farmers in Niger | The meteorological events, as well as adaptations and access to agricultural extension services, were tested on local farmers | Both areas have climatic challenges; crop diversification was adopted as an adaptation strategy | Training and development programmes for farmers equipped them to adapt to extreme temperatures. A traditional risk reduction and adaptation strategy to address the long-standing inter-annual and intra-annual rainfall variability in the area—instead of the climate change adaptation strategy—was considered to be unresponsive to the perceived weather patterns |
[23] | Both qualitative and quantitative meteorological records were analysed | Semi-structured interviews and questionnaires Ngabu and Kasungu-Malawi | An understanding of the maize producers (smallholders) was assessed in Malawi. An assessment was also extended to seed network stakeholders at a national level. The main objective was to determine their understanding of changes in rainfall patterns and decision-making regarding choices of maize cultivar | The farmers believe that climate change has led to the seasons growing shorter, motivating them to prefer short-season maize, which is considered to be a good adaptation strategy to drought | The disagreements on the findings recommend a dialogue amongst stakeholders, including farmers, the government and meteorologists. Communication and understanding should be enhanced to address the partial knowledge within seed systems which might assist in achieving agricultural adaptions to climate change |
[24] | Qualitative research approach | n = 59 households (semi-structured) n = 60 focus group Ghana Selected areas of interest were Amponsakrom No. 2, Mantukwa and Meta | A perception study was conducted with smallholders in three selected areas concerning their agricultural livelihoods and adaptation strategies to climatic and socio-economic changes | Extreme temperatures and delayed and unpredictable rainy seasons have directly influenced farming systems in these zones. The socio-economic activities that have affected communities include transportation networks (e.g., roads), farming inputs along with exorbitant prices, diseases and crop pests, and a lack of irrigation infrastructure | There were hidden resilience strategies which were not harnessed by farmers; these had the potential to strengthen their adaptation strategies. The smallholder farmers had no strategies in place to help them adapt their systems of farming |
[25] | Qualitative empirical literature review | n/a sub-Saharan Africa | A literature review was conducted in sub-Saharan Africa on the views of farmers on climate variations, its effects on their livelihood and adaptation strategies | The decision on climate change adaptation was influenced by the age of the household, gender, farming experience, size of the household, education level, access to credit facilities, distance from the market, extension of services access and off-farm generating activities | Different countries are prone to a myriad of climate change risks, resulting in a comparative synthesis on different studies on the impacts, perceptions and adaptations of countries in sub-Saharan Africa. The findings have implications in different farming sectors on public and private policies. Adaptation policies should be incorporated by governments in their development agenda. Investment in the resilience strategies is recommended, such as the construction of water infrastructure and monitoring and reporting stations, which would improve the existing knowledge and improve the response to climate change |
[26] | Quantitative A secondary epidemiologic analysis was performed | Eastern and southern Africa | In the eastern and southern parts of Africa, malnutrition trends of children were determined in the short-term and long-term, as a result of drought and HIV | National average level of nutrition in children improved | When drought is absent, the percentage of malnourished children improved |
[27] | Quantitative | Southern Africa A myriad of data collections tools were used, including interviews with stakeholders, questionnaires, focus groups and documentary historical and archival assessment Key informants included agriculture officials from the Southern African Development Community (SADC) region as well as Natural Resources officials and the SADC Secretariat | Factors adding to drought vulnerability in the SADC region are associated with the inability to understand, integrate and learn from the previous interventions and reactive governments’ disaster risk reduction, informed by a “bail-out” mentality | This study concluded that learning from past and present drought events is a catalyst for adaptation practice | |
[28] | Qualitative participatory methodological tools were used | n = 40 (Shorobe) n = 63 (Tubu) n = 28 (Xobe) 18 focus group Botswana | Residents from the Okavango wetlands were targeted, where local knowledge was ascertained | Local institutions of governance were embedded with community adaptation strategies in the aftermath of the human and animal diseases outbreak as well as the recurring drought which adversely affected the livelihoods and well-being of communities | Historical knowledge possessed by local communities on environmental change and adaptation should be incorporated during policy or programme formulation processes. People of different ages are important in crafting comprehensive adaptation strategies that incorporate historical memory |
[2] | Qualitative | n = 100 North Central Namibia | An ability for communities to adapt to climate change was conducted in North Central Namibia | There are limitations to crop production’s impacts by climate hazards | |
[8] | Quantitative descriptive, empirical and econometric techniques were used, and a multi-econometric method | In Nigeria, an analysis was performed on the econometric technique based on the Autoregressive Distribution Lag framework | The extent to which agriculture and the level of technology improve technical knowledge in Nigeria was examined, with the aim of achieving food security | To solve food insecurity challenges, the availability of arable land was a solution; collaborations and interactions between farmers and government—relating to planning issues on food production—can yield positive results | A myriad of factors has been mentioned to improve food security in Nigeria. This includes the establishment and application of an institutional framework, technology, the availability of arable land, interactions between government and farmers, reducing corruption, and improving the electricity supply |
[29] | Qualitative report | Lesotho and Swaziland | A resilience study was conducted to demonstrate how best to leverage development and humanitarian interventions, based on a resilience framework that promotes partner communities’ absorptive, adaptive and transformative capacities | This report challenges and shifts beliefs that are widely held on the perception that associates resilience to a particular sector or a stand-alone intervention. A multisectoral approach is required to contribute to community resilience in order to collectively and mutually reinforce positive outcomes | |
[30] | Qualitative analysis | Malawi | The influence of safety nets on both protection and promotion effects | Livelihood promotion and -protection | Every income transfer was invested in activities that are income-generated |
[31] | Quantitative | Questionnaires | To establish farmers’ adaptation strategies to ensure food security and poverty alleviation | Poverty reduction and food security | The results reveal factors that affect farmers’ choice of adaptability strategies |
[9] | Quantitative | n = 85 beneficiaries semi-structured questionnaire South Africa North West | To assess the state of drought preparedness by farmers who were the recipients of a cattle developmental project | Farmers’ drought preparedness was hindered by inadequate early warning information and a shortage of funds | A recommendation was made on the plausible contacts to the agricultural extensionists; farmers trained on effective drought mitigation strategies and the dissemination of early warning information is suggested |
[19] | Quantitative Zou Department Benin | n = 120 | To understand the determinants of farmers’ adaptation strategies | Perception of climate change by farmers have been developed; strategies in response to climate change have been adopted by farmers | Solutions and opportunities need to be provided to farmers to allows them to adapt to climate variations |
[21] | Qualitative | n = 176 (17 focus groups) Lesotho and Swaziland | To enhance resilience in two countries, a research study was conducted examining the influence of drought on local communities’ resilience strategies | Changes in behaviour and knowledge in adapting and applying appropriate actions influenced resilience activities; the effectiveness of institutional support is linked to harnessing a community’s knowledge, their interactions and their involvement in decision-making | It is recommended that resilience within rural communities be enhanced. Large-scale interventions are needed to maintain cohesiveness, in addition to policies that integrate resilience and urgent national development planning |
[32] | Both qualitative and quantitative | n = 57 and 143 n = 400 questionnaires focus group Two districts in Ghana were sampled | Small farmers’ adaptation strategies were identified | Farmers adapted to climate variation and variability | Female farmers have more challenges than their male counterparts |
[33] | Both qualitative and quantitative | n = 330 small-scale farmers n = 150 focus group Ghana | The study assesses adaptation strategies and constraints hindering farmers from being able to adapt | The majority of the countries became vulnerable to climate change variations due to poor agricultural support from government, extreme weather and poverty | Key aspects were access to weather information and capacity development of farmers to climate change adaptation |
[34] | Quantitative | n = 300 communal farmers Zimbabwe (Seke and Murewa Districts) | Establish the effects of weather forecasting and early warning information systems | Vulnerability to droughts | There was no access to timely and reliable information on droughts |
[35] | Quantitative | Ethiopia | Studying the rationale for repeated ploughing by farmers | Repeated tilling and productivity | Disturbance occurred on unploughed strips of land which were left between adjacent furrows, caused by repeated ploughing |
[36] | Both qualitative and quantitative | Semi-structured questionnaires, interviews in Bohera and Chikomba Districts of Zimbabwe | An assessment of respondents’ degrees of vulnerability to the effects of drought | Vulnerability to disaster | Weather predictions were conducted by communities through their indigenous knowledge systems. Community members employed their indigenous knowledge to predict weather patterns |
[8] | Quantitative | Nigeria | Influence of technology on food security | Food security | The use of technology enhances productivity |
[2] | Qualitative | n = 50 focused group on women | Research was conducted with women on the effects of a shortage of rainfall on crop production; religious rituals were assessed as an adaptation measure to unpredictable rainfall | Women draw cultural knowledge as subsistence crop producers; various adaptation strategies such as seed-dressing, rainmaking and crop maintenance rituals, which women depended on, ensured food self-sufficiency during climate variations | The application of indigenous knowledge in development programmes through the participation of women to reduce food insecurity can yield positive results |
[30] | Quantitative | Malawi | A study commissioned to evaluate the effects of droughts and floods on rural households. The influence of safety nets on both protection and promotion effects | Policy options and reduction in food security. Livelihood promotion and -protection. Policy can compensate for market failures | Policy can compensate for market failuresEvery income transfer was invested in income-generating activities |
[37] | Quantitative | n = 1800 (farm households) Ethiopia and South Africa | Both countries’ adaptation strategies and factors influencing the decision to adapt were analysed in this study | Common adaptation strategies applied by Ethiopia and South Africa included crops, tree plantations, the conservation of soil, changes to planting dates and irrigation methods | Access to information, markets and credit can be enabled by policymakers to support adaptation |
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Ngcamu, B.S.; Chari, F. Drought Influences on Food Insecurity in Africa: A Systematic Literature Review. Int. J. Environ. Res. Public Health 2020, 17, 5897. https://doi.org/10.3390/ijerph17165897
Ngcamu BS, Chari F. Drought Influences on Food Insecurity in Africa: A Systematic Literature Review. International Journal of Environmental Research and Public Health. 2020; 17(16):5897. https://doi.org/10.3390/ijerph17165897
Chicago/Turabian StyleNgcamu, Bethuel Sibongiseni, and Felix Chari. 2020. "Drought Influences on Food Insecurity in Africa: A Systematic Literature Review" International Journal of Environmental Research and Public Health 17, no. 16: 5897. https://doi.org/10.3390/ijerph17165897