Table 1.
No. of Variables | Source | Without Deleting | After Deletion of NKS | After Deletion of NSS | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best Model | Stepwise | Forward | Best Model | Stepwise | Forward | Best Model | Stepwise | Forward | |||||||||||
Independent Variables | R2 | Direct Effect | R2 | Direct Effect | R2 | Direct Effect | R2 | Direct Effect | R2 | Direct Effect | R2 | Direct Effect | R2 | Direct Effect | R2 | Direct Effect | R2 | Direct Effect | |
2 | MSI/NKS | 0.94 | 0.75 | 0.94 | 0.75 | 0.94 | 0.75 | 0.94 | 0.75 | ||||||||||
2 | Chl a (0.38 cm−2)/NSS | 0.93 | 0.78 | 0.93 | 0.78 | 0.93 | 0.75 | 0.93 | 0.78 | 0.93 | 0.78 | ||||||||
3 | NKS/HKW/KL | 0.97 | 0.97 | ||||||||||||||||
3 | Chl a (0.38 cm−2)/FLA/NSS | 0.97 | |||||||||||||||||
4 | Chl a (0.38 cm−2)/Chl a + b(FLA)/NSS/KW | 0.99 | 0.99 | ||||||||||||||||
4 | FLA/E/NKS/Na+ | 0.99 | |||||||||||||||||
5 | RWC/Chl a (0.38 cm−2)/Chl b(FLA)/NSS/KW | 1.00 | 1.00 | ||||||||||||||||
5 | LWC/FLA/Gs/NKS/Na+ | 1.00 | |||||||||||||||||
1 | Chl a (0.38 cm−2) | 0.08 | 0.09 | 0.08 | 0.09 | 0.09 | 0.08 | 0.09 | 0.08 | 0.09 | |||||||||
1 | NKS | 0.62 | 0.62 | 0.82 | 0.62 | 0.82 | 0.62 | ||||||||||||
1 | NSS | 0.85 | 0.69 | 0.85 | 0.69 | 0.66 | 0.85 | 0.69 | 0.85 | 0.69 | |||||||||
1 | MSI | 0.13 | 0.13 | 0.12 | 0.13 | 0.12 | 0.13 | ||||||||||||
Total indirect effect | 0.19 | 0.15 | 0.15 | 0.18 | 0.15 | 0.15 | 0.19 | 0.19 | 0.19 | ||||||||||
Total R2 | 0.94 | 0.93 | 0.93 | 0.93 | 0.93 | 0.93 | 0.94 | 0.94 | 0.94 | ||||||||||
Residual | 0.24 | 0.26 | 0.26 | 0.26 | 0.26 | 0.26 | 0.24 | 0.24 | 0.24 |