Table 5 » The Selected Independent Variables and Their Statistics of 
Vegetation Index Data 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
sensor dependent independent variable 
variable R? F-value |prob 
multi- crown INDi IND? 
spectral — |closure 16.11] 0.0001] 6.72] 0.0116] 043] 26.08| 0.0001 
scanner volume IND? IND4 
6.7| 0.0117 5.4 0.0321] 0.093 3.55] 0.0341 
crown INDi INDs 
SPOT [closure 97.23] 0.0001] 4.39] 0.0393] 0.797] 153.16] 0.0001 
HRV volume IND: IND? 
1.66] 0.2017] 1.09] 0.2988] 0.048) 1.98] 0.1448 
crown IND? INDs 
Landsat-  |closure 294.02] 0.0001 20.36] 0.0001] 0.821 174.31 0.0001 
™ volume IND: IND2 
1.79] 0.185} 0.76] 0.3852] 0.045] 1.78] 0.1754 
  
  
Table 6 * The Selected Independent Variables and Their Statistics 
of Individual Band and Vegetation Index Data 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
cro 
vol 
3.1 
Usi 
thre 
reg 
var 
cro 
F-v 
Ta 
sens 
mul 
spec 
SCar 
La 
TM 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
sensor |dependent independent variable | 
variable R? F-value |prob 
multi- — |crown MSS; MSSg MSS9 
spectral |closure 10.44|0.0019| 13.12/0.0006| | 9.18/ 0.0035! 0.532, 25.79 0.0001 
scanner [volume IND, IND, INDg 
0.85|0.3608|  5.2610.0246| 9.49/0.0029| 0.148] | 4.85| 0.0035 
crown XS; IND; INDg 
SPOT [closure |383.31|0.0001| 5.65/0.0199| | 3.99(0.0493|  0.84| 137.83, 0.0001 
HRV volume IND, IND, IND; 
9.82/0.0025| 12.24|0.0900|  2.95|0.0903| 0.062)  4.29|0.0076 
crown TM, TM4 TM; 
Landsat- |closure 19.491 0.0001| 445.34| 0.0001| 164.26| 0.0001| 0.903} 232.49] 0.0001 
TM volume TM, INDs 'INDg 
0.721 0.398| 2.48/0.0196|  2.12/|0.0468| 0.058|  1.54/0.0212 
128 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996 
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