Fig. 3. Mean-variance dynamical portraits of the transformed normalized difference vegetation index (TNDVI) response of San Jose Llanga from 1972 to 1987 at the landscape and vegetation cover class spatial scales. Temporal dynamics are shown with respect to the landscape’s mean TNDVI and mean TNDVI variance and a calibrated 20% vegetation cover line (dotted line). The 1984 vegetation index scene is representative of a severe drought.