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West Africa Drylands Project | Rain Use Efficiency |

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Rain Use Efficiency (RUE) is the ratio of Net Primary Production over Rainfall: NPP/rainfall In drylands with varying rainfall RUE is a method to identify vegetation changes caused by other factor than the direct effects of changes in rainfall. NPP. NPP was calcualted as the accumulated increase in adjusted NDVI over an annual cycle (36 dekad periods). Rainfall estimates are a combination of point-data and saetllite data (for teh period 1995-2004). To see maximum RUE for individual years click on the time-table below the map.


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West Africa Drylands Project | Rain Use Efficiency |

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Last modified Sun Mar 12 14:14:23 2006
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