FIG. 9. Climatological (1998–2010) annual cycles of spatially averaged NDVI over farmland pixels affected by more than 4 months of vegetation stress (dotted line, right vertical axis) and the 2009/10 monthly time series of the weighted NDVI anomalies (bars, left vertical axis) averaged over (top) N, (middle) SW, and (bottom) CE China (see Fig. 8 for the definition of these regions).
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