International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B7. Istanbul 2004 
ranges. NDVI was an effective indicator for evaluating the 
gazelle habitat. However, the seasonal migrations in some areas 
were not explained by the NDVI sift between the ranges. So it is 
recommended to examine the effective extent and the limitation 
of NDVI as an indicator. 
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7. ACKNOWLEDGMENTS 
This research was partially supported by the Ministry of 
Education, Culture, Sports, Science and Technology of Japan, 
Grant-in-Aid for Scientific Research (B), 14405039, 2002. 
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