Table 2 Pearson correlation coefficients for extractable chlorophyll traits chlorophyll a (eChl_A), chlorophyll b (eChl_B), total chlorophyll (eChl_T) and chlorophyll a/b ratio (eChl_R) and wavelet transformed spectral reflectance total chlorophyll (tChl_T) and spectral reflectance index total chlorophyll (iChl_T)