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West Africa Drylands Project | Vegetation | Trend maximum NDVI 1982-2004

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The trend of the annual maximum NDVI was calculated using pixelwise least square statistics. The map shows the strong greening up trend in the central Sahel from 1982 to 2004. The small figure shows the shift in the isoline for max NDVI = 50 together with the N-S shift in the 300 mm isohyet for Burkina Faso and Mali. Click here or under the map to see trends for Mauritania and Senegal, or Niger and Nigeria.


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West Africa Drylands Project | Vegetation | Trend maximum NDVI 1982-2004

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Last modified Sun Mar 12 13:40:37 2006
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