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© IRD / Olivier Barrière Arable land denshering around Elahé, Amerindian village Wayana in French Guiana Indigo 44480  

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Strong Harmattan winds amplify meningitis epidemics

Scientific newssheets

Water and soil ressources, Continental biodiversity and plants improvement, Marine and halieutic biodiversity - Niger, Burkina Faso

November 2008

Every year, Sub-Saharan Africa is the scene of a meningitis epidemic which hits tens of thousands of people. The geographical zone stretching from Senegal to Ethiopia is known as the “meningitis belt”. For many years the region has been under the scrutiny of scientists aiming to unravel the ...

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N°45 - July-August 2008

Sciences au sud - IRD periodical > Sciences au Sud issues

Health, Continental biodiversity and plants improvement, Water and soil ressources, Human and social sciences - Ethiopia, Niger, Zimbabwe, Senegal, Mali

August 2008

Michel Griffon, agronomist and economist, Deputy Director General of the French National Research Agency (ANR), goes over the causes of the food crisis. He suggests a set of measures to meet the food security challenges and gives a broad outline of the types of agriculture that should be made priorities in the developing countries.

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N°44 - April-May-June 2008

Sciences au sud - IRD periodical > Sciences au Sud issues

Water and soil ressources, Marine and halieutic biodiversity

June 2008

Hunger returns

The current food crisis is the expression of a maladjustment between supply and demand seen in trends operating at global and regional scales. It is illustrated by a
60% increase in the FAO food price index over just one year and a strong upsurge in the price of cereals and dairy products. Current prices show in part the impact of speculation, probably fuelled by cash investments reoriented from a difficult property sector. However, they also reflect some deeply serious trends: population pressure and accelerating urbanization; growth of the emergent countries and strong surge in demand from middle classes, cost increases linked to the oil crisis, competition from biofuels, climatic hazards (Australian cereal production has for example collapsed after six consecutive years of drought) and, over the longer term, the still uncertain impact of global warming on agricultural production, which the journal Science reviews in its February issue.

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A new satellite remote sensing tool for improving agricultural land use observation

Scientific newssheets

Continental biodiversity and plants improvement, Observation and modeling tools, Water and soil ressources - Morocco, Mexico

May 2008

Irrigated agriculture makes a substantial contribution to the food security of many countries. FAO (Food and Agriculture Organization of the United Nations) figures indicate that irrigation involves just under 20% of cultivated land and supplies 40% of world agricultural production. An estimated ...

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