Effects of climate change on agriculture in africa pdf

Studies show that agriculture in zimbabwe is sensitive to climate change and significantly lower agricultural yields and reduce the plant crop growth. Research from the international food policy research institute ifpri suggest an increase in maize yields for most east africa, but yield losses in parts of ethiopia, democratic republic of. Jun 25, 20 the world banks recent report, turn down the heat. Climate change impacts on water and agriculture sectors in.

Farming in south africa is under threat from climate change. Research from the international food policy research institute ifpri suggest an increase in maize yields for most east africa, but yield losses in parts of ethiopia, democratic republic of congo drc, tanzania and northern uganda. Now, these once predictable growing cycles are at risk from climate change, and smallholders like upendo are on the front lines. Improving our understanding of how the interaction of climate variability and change affects agricultural production, particularly on regional scales that are more relevant to decision making, is an important research frontier. Nov 12, 2019 the impact of climate change on agriculture and food production is clear. Sep 06, 2019 climate variability and change affect agricultural yields and livelihoods. There will be reduced land for agriculture because the high agricultural potential areas will become arid, coastal areas will be submerged, affecting fishing and. Sep 17, 2018 the united nations released a report monday identifying future winners and losers in agriculture as the planet warms from the effects of climate change.

Much of african agricultures vulnerability to climate change lies in the fact that its agricultural systems remain. It is very likely that climate change can aggravate such condition and slow the pace of progress along sustainable. Pdf this is a well researched, thorough and impressive work on climate change and agriculture in africa. Effects of climate change on agriculture in africa mckinsey. Water required for food production may become more scarce due to increased crop water use and drought. Mar 04, 2014 plausible estimates of climate change impacts on agriculture require integrated use of climate, crop, and economic models. The impact of climate change on food security dialnet. It is projected that crop yield in africa may fall by 1020% by 2050 or even up to 50% due to climate change fao, 2006. Impacts of climate change on farming systems and livelihoods in.

The impact of animal agriculture on global warming and climate change abstract the farm animal production sector is the single largest anthropogenic user of land, contributing to soil degradation, dwindling water supplies, and air pollution. The atlas is presently being used to inform the development of the climate change adaptation and mitigation plan for the south african agricultural and forestry. The amount of annual investment needed to adapt agriculture to climate change is comparatively low, as the expenditure required to counteract the negative impacts of climate change on nutrition are estimated to be only usd 3 billion per year. It reflects abnormal variations to the earths climate and subsequent effects on other parts of the earth, such as in the ice caps over durations ranging from decades to millions of years. Jan 07, 2020 the impact of climate change on agriculture is clear. South africa has a dual agriculture economy consisting of a well. Nov 10, 2015 climate change is so powerful that in recent months it has affected the electricity supply, too. Furthermore, the rural populations of developing countriesfor whom agricultural production is the primary source of direct and indirect employment and income. Climate change impacts, vulnerability and adaptation in. Temperature rise will trigger sharp declines in crop yield in tropical regions, estimated at 5 to 10 % in africa with an. For two weeks in may, we traveled across threequarters of zimbabwe, researching how climate change is affecting the country. The future impact of climate change depends on the extent to which nations implement prevention efforts, reduce greenhouse gas emissions, and adapt to unavoidable climate change effects. Pdf climate change impacts on food security in subsaharan.

By contrast, countries such as ethiopia and south africa. It summarised key climate change impacts and potential response options identified for primary sectors, namely water, agriculture and forestry, human health, marine fisheries, and biodiversity. For african countries, climate change adaptation is considered to be more important than. It has been estimated that rainfall shortages in certain african countries dependent on. Effects on water and agriculture dr shawki barghouti international center for biosaline agriculture presented at. Overview of linkages between gender and climate change. Effects of tropical deforestation on climate and agriculture deborah lawrence and karen vandecar tower, groundbased and satellite observations indicate that tropical deforestation results in warmer, drier conditions at the local scale. The study confirms that african agriculture is particularly vulnerable to climate change.

In the nine economic models included, the direction of management intensity, area, consumption, and international trade responses to harmonized crop yield shocks from climate change are. Food may become more expensive as climate change mitigation efforts increase energy prices. Agriculture is critical to africas growth and development, but climate change could destabilize local markets, curb economic growth, and. Chapter 4 looks at ways in which we can adapt to the impacts of climate change.

The fao warns about the negative consequences, in particular for smallholder subsistence farmers in what are already marginalized regions of africa, asia and. In general, climate change affects world agricultural production and food security. Addressing climate change in the middle east and north africa mena regions launch conference. Modeling the impacts of climate variability on agriculture. Child malnutrition effects, asia and subsaharan africa.

Since the 2006 saeo, local and global research has advanced its understanding of the projected impacts of climate change. Africa, asia, latin america and small island developing states. Farming in south africa is under threat from climate. The fifth chapter looks at ways in which we can mitigate climate change by reducing greenhouse gas emissions. The atlas is presently being used to inform the development of the climate change adaptation and mitigation plan for the. This outcome is already evident in zimbabwe figure 2. Atlas of climate change and the south african agricultural sector.

Progress on rural development has already been hit hard by the combined effect of the global financial downturn and the food crisis, as a result, hunger and. Nov 27, 2006 africa is the continent that will suffer most under climate change. Projected impacts relative to current production levels range from. Dec 18, 2015 regional impacts and because global averaging minimizes these climatic responses5,911.

Agriculture is critical to south africa s future economic growth, job creation, and national food security. South africa s response to climate change was presented. Even with perfect adaptation, regional climate change by 2050 is. The negative effects of climate change on crop production are especially pronounced in subsaharan africa, as the agriculture sector accounts for a large share of gdp, export earnings, and. Effects of tropical deforestation on climate and agriculture. Full technical report on the implications of climate change. Pdf impact of climate change on agriculture in africa by 2030. Climate change impacts, vulnerability and adaptation in zimbabwe. Pdf impact of climate change on agriculture in africa by. Pdf climate change impacts on food security in sub. Conceptual framework for assessing the impact of climate change on farming systems.

G 1 this paper presents an empirical analysis of the effects of global warming on nigerian agriculture and estimation of the determinants of adaptation to climate change. Climate extremes, regional impacts, and the case for resilience, underscores the urgency of supporting african farmers now so that they can better cope with the potential impacts of a changing climate. Agriculture in ghana is largely rain fed, therefore changes in climate in the form of changes in rainfall for example, may affect agricultural supply especially crops, maize inclusive. Climate change i climate change impacts, vulnerability and adaptation in zimbabwe i i iied climate change working paper no. Climate change impacts on agriculture in eni south countries. Chapter 11 climate change department of environment. How to foster agricultural development and food security in west africa despite the effects of climate change and other challenges is the subject of the study west. Implications of climate change for agricultural productivity in. East african agriculture and climate change ethiopia. For some living in zimbabwe, theres been one shock after another. Given the above statistics, climate change has indeed become a global issue.

West africa has been identified as a climate change hotspot, with climate change likely to lessen crop yields and production, with resultant impacts on food security. Thus, this paper provides a comprehensive overview of climate change impacts on agriculture in west africa based on the recent scientific literature. Most of the crop production in that part of the world are lowtechnology based and are therefore. Impacts on crop yields in subsaharan africa climate change will affect crop area, yield, and production. Effects of global climate change on nigerian agriculture.

West african agriculture and climate change climate technology. Climate impacts on agriculture and food supply climate. Climate change, natural disaster and rural poverty in ethiopia. The sector will suffer, which in turn will affect food supplies. Climate change is likely to contribute substantially to food insecurity in the future, by increasing food prices, and reducing food production. Th e actual and potential impacts of climate change in africa are large and wide ranging, aff ecting many aspects of peoples everyday lives. The second phase will use an integrated assessment approach and. Impact of climate change on agriculture in africa by 2030 academic. About 80 percent of the worlds food is produced by family farms, according to the united nations, so climate change s effect on agriculture could have repercussions that reach far beyond individual farmers and. This book outlines the impact of climate change in four developing country regions. Climate change impacts on food security in subsaharan africa. Climate models often disagree, especially in regard to changes in precipitation. By contrast, countries such as ethiopia and south africa are hardly.

Agriculture production will be affected by increasing temperatures, changing rainfall patterns, and more frequent and intense extreme weather events. The direct and indirect effects of climate change on agriculture play out through the economic system, altering prices, production, productivity, food demand, calorie availability, and, ultimately, human wellbeing. Future projections for southern africa indicate reduced rainfall, increased temperatures, and high variability for the greater part of the region with. Climate change will bring greater risk of pests and diseases to african agricultural systems, affecting crop, livestock, and fisheries productivity. A 1 c increase in temperature in developing countries has been found to be associated with 2. However, even though it produces comparatively small carbon emissions, the continent of africa is the most vulnerable to these impacts cigi, 2009. Data used for this study are from both secondary and primary sources. What climate change means for agriculture in africa one. However, they may be arguably too general to understand the magnitude of impact and to inform adaptation strategies and policy development efforts that are tailored to promoting climate smart agriculture in the west african region alone. Many climate models predict negative impacts of climate change on agricultural production and food security in large parts of subsaharan africa ssa. We investigate the contribution of economic models to uncertainty in this impact chain.

On the one hand, women are disproportionately vulnerable to the effects of climate change, which could, in turn, exacerbate existing gender disparities. Turn down the heat finds that an increase of 4 degrees celsius worldwide would spell increased droughts, more frequent flooding, and shifts in rainfall in africa, jeopardising the regions food security and economic growth. This study examines the effects of climate change, using rainfall and temperature as climate variables, on maize supply in ghana. Weather patterns are becoming less favorable in many instances, increasing the volatility of crop and livestock yields. The third discusses the future impacts of climate change globally, on africa and on zimbabwe. However, the sector is directly affected by precipitation, temperature, and evaporation, and is thus particularly vulnerable to climate change. Impacts on crop yields in subsaharan africa climate change. The severest impact is likely to be in subsaharan african countries, which are least able to adapt to climate change or to compensate for it through increase in food imports. The impact of animal agriculture on global warming and climate change 1 an hsi report. Assessment of the impacts of climate change on the agriculture. Climate change impacts on agriculture across africa www0. Full technical report on the implications of climate.

The impact of climate change on african agriculture. About the author this case study is produced by dr natasha grist, research fellow in agriculture and climate change at the overseas development institute, uk. Frontiers agriculture in west africa in the twentyfirst. The intergovernmental panel on climate change ipcc forecasts 2050 per cent reduction in yields of staples in southern africa. These will have direct effects on crop growth and their need for water, as well as soil fertility, water supply for. This study measured the economic impacts of climate change on crop and livestock farming in africa based on a crosssectional survey of over 8000 farming. How climate change will affect african farmers one. Climate change will have varying effects on agricultural production in east africa. Consequently, the likely impacts of climate change on the agricultural sector have prompted concern over the magnitude of future global food production bindi and olesen, 2000. Dec 17, 2016 many projections of the impact of climate change on the crop, livestock and fishery production sectors of african agriculture are reported in the literature. Aug 30, 2016 however, although there is a growing literature on the impact of climate change on crop productivity in africa, there are large uncertainties in climate change projections, in the response of crops to such changes and in the adaptation of agricultural systems to future climate conditions challinor et al.

185 623 1446 778 1129 386 1415 934 1315 429 442 372 728 607 1308 1346 252 987 1440 151 317 1180 1076 295 1116 1232 482 949 1304 1375 1400 522 650 523 1206 41 1275