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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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Reforestation using exotic plants can disturb the fertility of tropical soils

Scientific newssheets

Continental biodiversity and plants improvement - Senegal, Burkina Faso

May 2008

World Soil Information (ISRIC) figures suggest that the combined effects of overgrazing and deforestation caused fertility loss in 12.8 million km2 of the Earth’s land surface in the space of 50 years, by disturbing the functionality of the biogeochemical cycles regulating soil fertility. The ...

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