Summary of the changes in the NDVI for the individual trends of the PDSI and Year, grouped by each trend pattern, over the study period.

aNeg_Sig/Pos_Sig: proportion of series showing significantly negative and positive regression coefficients (PbImpactavg: average impact on the NDVI by individual PDSIs and Years over the study region; values not sharing the same letter are significantly different (PSummary of the changes in the NDVI for the individual trends of the PDSI and Year, grouped by each trend pattern, over the study period.