498 
Figure 3 
Figure 2. Spectral reflectance of plants growing in the oasis. I - 
Armeniaoa vulgaris, 2 - Moms alba, 3 - Fraxinus pensilvanioa, 
4 - Gleditschia triacanthus, 5 - Elaegnus angustifolia, 6 - Acer 
negundo, 7 - Populus diversifollia, 8 - Cotton. The solid lines 
show summer aspect and the dotted lines show autumn aspect.