climate change and food production pdf Tuesday, May 18, 2021 2:11:30 PM

Climate Change And Food Production Pdf

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Published: 18.05.2021

Climate change negatively affects all four pillars of food security: availability, access, utilisation and stability. Food availability may be reduced by negative climate change impacts on productivity of crops, livestock and fish, due, for instance, to increases in temperature and changes in rainfall patterns. Productivity is also negatively affected by increased pests and diseases, as well as changing distributions of pollinators under climate change.

Source: Andrew J. Challinor et al. Addressing food system impacts from climate change is not merely an environmental challenge, it is a human development imperative.

Center for Strategic & International Studies

As the global population grows and incomes in poor countries rise, so too, will the demand for food, placing additional pressure on sustainable food production. Climate change adds a further challenge, as changes in temperature and precipitation threaten agricultural productivity and the capacity to feed the world's population. This study assesses how serious the danger to food security might be and suggests some steps policymakers can take to remedy the situation. Using various modeling techniques, the authors project 15 different future scenarios for food security through Each scenario involves an alternative combination of potential population and income growth and climate change.

Food security, farming, and climate change to 2050

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Climate change and agriculture are interrelated processes, both of which take place on a global scale, with the adverse effects of climate change affecting agriculture both directly and indirectly. This can take place through changes in average temperatures , rainfall , and climate extremes e. Climate change is already affecting agriculture, with effects unevenly distributed across the world. Agriculture contributes towards climate change through anthropogenic greenhouse gas emissions and by the conversion of non-agricultural land such as forests into agricultural land. A range of policies can reduce the risk of negative climate change impacts on agriculture [9] [10] and greenhouse gas emissions from the agriculture sector. The agricultural sector is a driving force in the gas emissions and land use effects thought to cause climate change.

Climate Change Impacts on Agriculture and Global Food Production: Options for Adaptive Strategies

Food production in Nigeria is largely dependent on natural environmental resources like rainfall, temperature and relative humidity. This study examined the impact of some of these climatic variables on food production in Nigeria from to The ADF test reveals that relative humidity integrated at order zero level while rainfall and temperature and agricultural output were stationary after differencing at level 1 thus showing that the variables had relationship. It was recommended, therefore, that measure that could help to mitigate the adverse effects of inadequate rainfall e.

Data underlying the study are government reported data and are publicly available from the links in S1 Text. The authors confirm they did not have any special access to this data that others would not have. Yield data for the studied regions for the top four global crops are in S8 Table. Crop yields are projected to decrease under future climate conditions, and recent research suggests that yields have already been impacted. However, current impacts on a diversity of crops subnationally and implications for food security remains unclear.

Adapting to Climate Change pp Cite as. The possible effects of global warming on agriculture may have economic, ecological, and social repercussions. Major factors in analyzing these effects include expected population growth, possible increases in agricultural production, improved agrotechnology, and changes in crop productivity. Favorable climate changes, especially the effect of increased carbon dioxide CO 2 on crop productivity, can help to solve the food supply problem expected in the 21st Century.

Food may be a universal language — but in these record-breaking hot days, so too is climate change. With July clocking in as the hottest month on Earth in recorded history and extreme weather ramping up globally, farmers are facing the brunt of climate change in croplands and pastures around the world. Here in the U.

Impact of climate change on agriculture

Adapting to Climate Change pp Cite as. The possible effects of global warming on agriculture may have economic, ecological, and social repercussions. Major factors in analyzing these effects include expected population growth, possible increases in agricultural production, improved agrotechnology, and changes in crop productivity. Favorable climate changes, especially the effect of increased carbon dioxide CO 2 on crop productivity, can help to solve the food supply problem expected in the 21st Century. Techniques related to agrotechnology, climate, and crop productivity contribute to a balanced strategy for adapting to future global changes. Skip to main content Skip to sections. This service is more advanced with JavaScript available.

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1 Comments

Oriana S. 27.05.2021 at 14:12

At the same time as delivering food security, we must also reduce the environmental impact of food production. Future climate change will make.

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