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Topics > Environment and landscape > Agricultural environment
Agricultural environment |
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Gases com efeito de estufa, redução das emissões
Esporo, N° 151. CTA, 2011De acordo com um estudo realizado, seria possível diminuir o total das emissões relacionadas com o gado, em cerca de 12%, mediante simples melhoramentos na produção.
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Greenhouse gases, curbing emissions
Spore: the magazine for agricultural and rural development in ACP countries, N° 151. CTA, 2011Some 12% of total livestock-related emissions could be cut with simple improvements in production, says a study.
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Gaz à effet de serre, résorber les émissions
Spore: le magazine du développement agricole et rural des pays ACP, N°151. CTA, 2011D’après une étude, quelque 12 % des émissions totales imputables au bétail pourraient être supprimés grâce à de simples améliorations de la production, incluant l’adoption de pâtures plus nutritives et l’ajout de faibles quantités de résidus de récoltes ou de céréales.
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Agriculture and food systems in sub-Saharan Africa in a 4°C+ world
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 369. N° 1934. Thornton Philip K.; Jones Peter G.; Ericksen Polly J.; et al. - The Royal Society, 2011Agricultural development in sub-Saharan Africa faces daunting challenges, which climate change and increasing climate variability will compound in vulnerable areas. The impacts of a changing climate on agricultural production in a world that warms by 4°C or more are likely to be severe in places. The livelihoods of many croppers and livestock keepers in Africa are associated with diversity of options. The changes in crop and livestock production that are likely to result in a 4°C+ world will diminish the options available to most smallholders. In such a world, current crop and livestock variet ...
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Hydroponie: cultiver hors-sol
Spore: le magazine du développement agricole et rural des pays ACP, N°150. CTA, 2011Faire pousser les plantes dans des solutions nutritives : le procédé intéresse de plus en plus certains pays ACP. Les légumes hydroponiques sont prolifiques et toujours fiables, et ils ont besoin de moins de terre et d’eau. La culture hors-sol a néanmoins un coût.
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Dennis Garrity: cultiver sous la canopée
Spore: le magazine du développement agricole et rural des pays ACP, N°150. CTA, 2011Depuis des générations, les agriculteurs africains cultivent sous les arbres. Cette forme d’agroforesterie appelée agriculture persistante procure de meilleurs rendements, des revenus issus des produits forestiers et, potentiellement, des marchés du carbone.
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Agriculture and climate change: a scoping report
This scoping report provides context and analysis for addressing agriculture in international climate negotiations with the aim of informing climate negotiators and other stakeholders of different options and unpacking issues of interest. It observes that agriculture is characterised by a number of special features that distinguish it from other sectors, like producing food and meeting basic survival needs. Its context and site-specific nature makes uniform strategies and solutions ineffective and, unlike other sectors, it is directly affected by climate change. Therefore, it has adaptation ne ...
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Agriculture and the clean development mechanism
Many experts believe that low-cost mitigation opportunities in agriculture are abundant and comparable in scale to those found in the energy sector. They are mostly located in developing countries and have to do with how land is used. By investing in projects under the Clean Development Mechanism (CDM), countries can tap these opportunities to meet their own Kyoto Protocol obligations. The CDM has been successful in financing some types of agricultural projects, including projects that capture methane or use agricultural by-products as an energy source. But agricultural land-use projects are s ...
Towards a Green Economy: pathways to sustainable and poverty eradication (water chapter)
UNEP, 2011This chapter has three broad aims. First, it highlights the need for providing all households with sufficient and affordable access to clean water supplies as well as adequate sanitation. Second, it makes a case for early investment in water management and infrastructure, including ecological infrastructure. The potential to make greater use of biodiversity and ecosystem services in reducing water treatment costs and increasing productivity is emphasised. Third, the chapter provides guidance on the suite of governance arrangements and policy reforms, which, if implemented, can sustain and incr ...
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Too little too late: Welfare impacts of rainfall shocks in rural Indonesia
The authors use regression analysis to assess the potential welfare impact of rainfall shocks in rural Indonesia. In particular, they consider two shocks: (i) a delay in the onset of monsoon and (ii) a significant shortfall in the amount of rain in the 90 day post-onset period. Focusing on households with family farm businesses, the analysis finds that a delay in the monsoon onset does not have a significant impact on the welfare of rice farmers. However, rice farm households located in areas exposed to low rainfall following the monsoon are negatively affected. Rice farm households appear to ...
Volcanic Ash: Impacts to Aviation, Climate, Maritime Operations, and Society
This module is the third in the four-part Volcanic Ash series. It provides information on the impacts of an explosive volcanic eruption to aviation, climate, maritime operations and society. The threats, or impacts, from an eruption vary depending on the eruption style, duration and proximity--both in distance and altitude--to the volcano. As you learned earlier, an eruption may bring multiple hazards to urban and rural areas through: Lahars (mudflows) and floods Lava-flow inundation Pyroclastic flows and surge Volcanic ash and bomb fallout Volcanic gases In this module, we'll take a closer lo ...
Volcanic Ash: Introduction
Provides a concise introduction to volcanic ash through the examples of the Mt. Pinatubo and Eyjafjallajökull eruptions. This is the introduction to a four-part series on Volcanic Ash.
Volcanic Ash: Volcanism
This module is the second in the four-part Volcanic Ash series. It provides information about the geological, and geophysical processes related to volcanic activity and volcanic ash in the atmosphere and on the ground. It discusses four types of volcanic eruptions and describes six major volcanic hazards: Tephra Pyroclastic flow Lahar Lava flow Volcanic gas Tsunami
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Climate change, water and food security
This report summarises current knowledge of the anticipated impacts of climate change on water availability for agriculture. It examines the implications for local and national food security and the methods and approaches for assessing climate change impacts on water and agriculture. It emphasises the need for a closer alignment between water and agricultural policies and makes the case for immediate implementation of ‘no-regrets’ strategies which have both positive development outcomes and make agricultural systems resilient to future impacts.
Global Action on Climate Change in Agriculture: Linkages to Food Security, Markets and Trade Policies in Developing Countries
The objective of this report is to catalyse thinking about the ways in which agriculture – which has a vital role in global food security, development and natural resources use – can and must be fully integrated into national strategies and a consensus-based multilateral framework to address the challenges of climate change. The report brings forth questions that will occupy the world community over the next decade or more regarding the role of agriculture in climate change adaptation and mitigation. The report offers some answers and concrete proposals – while recognizing that much more needs ...
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