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West Africa Drylands Project | Regional ranking | Local Difference

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The differences in local (neighboring) vegetation dynamics was calculated as the change in NPP between a pixel and its 8 neighbors 1982-2004. The kernel analysis using 3x3 cells typically forces a "salt and pepper" pattern. The resulting map can be used for identifying areas with homogenous and heterogenous vegeation dynamics over the last 23 years. The small figure shows the local difference for 2004, and the map shows the trend in local difference 1982-2004.


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West Africa Drylands Project | Regional ranking | Local Difference

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Last modified Sun Mar 12 13:40:40 2006
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