There is seasonality in the primary productivity of the ecoregion, which is linked to changes in SST (Figure 8). In springtime primary productivity varies, with high peaks of chlorophyll concentration in some years (Figure 9).
Figure 8: Surface temperature for the Azores ecoregion, by year and by season (DJF: December to February; MAM: March to May; JJA: June to August; SON: September to November) for the period 2002–2018. Source: Giovanni – NASA - http://giovanni.gsfc.nasa.gov/giovanni/
