Table 4 Pearson’s correlation coefficient (r) among basal area, volume, and spectral data for the Eucalyptus stands

1. G

1.00

2. V

0.70*

1.00

3. TM1

− 0.24^ns

0.10^ns

1.00

4. TM2

0.15^ns

− 0.02^ns

0.59*

1.00

5. TM3

− 0.20^ns

− 0.10^ns

0.80*

0.72*

1.00

6. TM4

0.82*

0.41*

− 0.05^ns

0.43*

0.12^ns

1.00

7. TM5

− 0.66*

− 0.36^ns

0.53*

0.31^ns

0.68*

− 0.40*

1.00

8. TM7

− 0.68*

− 0.40*

0.56*

0.32^ns

0.66*

− 0.42*

0.90*

1.00

9. NDVI

0.83*

0.49*

− 0.53*

− 0.13^ns

− 0.55*

0.75*

− 0.78*

− 0.82*

1.00

10. ND53

− 0.60*

− 0.32^ns

− 0.29^ns

− 0.50*

− 0.37^ns

− 0.66*

0.43*

0.31^ns

− 0.31^ns

1.00

11. ND54

− 0.91*

− 0.52*

0.31^ns

− 0.09^ns

0.30^ns

− 0.86*

0.80*

0.78*

− 0.93*

0.65*

1.00

12. ND57

0.45*

0.27^ns

− 0.49*

− 0.28^ns

− 0.49*

0.27^ns

− 0.50*

− 0.82*

0.60*

0.00^ns

− 0.48*

1.00

13. SAVI

0.88*

0.47*

− 0.23^ns

0.25^ns

− 0.12^ns

0.97*

− 0.57*

− 0.60*

0.89*

− 0.57*

− 0.94*

0.41*

1.00

14. MSAVI

0.88*

0.45*

− 0.36^ns

0.13^ns

− 0.27^ns

0.92

− 0.65*

− 0.67*

0.94*

− 0.50*

− 0.95*

0.46*

0.99*

1.00

15. GEMI

0.86*

0.45*

− 0.14^ns

0.34^ns

0.00^ns

0.99*

− 0.49*

− 0.52*

0.83*

− 0.62*

− 0.91*

0.35^ns

0.99*

0.96*

1.00

16. EVI

0.87*

0.42*

− 0.41*

0.12^ns

− 0.28^ns

0.92*

− 0.64*

− 0.67*

0.94*

− 0.48*

− 0.94*

0.47*

0.98*

1.00*

0.96*

1.00