Overall level of expression of Eutrophic condition

1             High primary symptoms           0,6             Moderate primary symptoms           0,3             Low primary symptoms           0   0,3   0,6   1     Low secondary symptoms   Moderate secondary symptoms   High secondary symptoms

  Primary symptoms 

Zone Area(km2) (Az) Value(Vij) Az/At x Vij Chlorophyll a Macroalgal growth Chlorophyll a Macroalgal growth Mixing 4.5 0.250 0.250 0.005 0.005 Seawater 220.5 1.000 1.000 0.980 0.980 Sum At = 225 km2 - - 0.985 0.985 Primary symptoms level of expression value for the estuary: 0.99 High

  Secondary symptoms

Zone Area(km2) (Az) Value(Vij) Az/At x Vij Dissolved oxygen Nuisance algal blooms Toxic algal blooms Dissolved oxygen Nuisance algal blooms Toxic algal blooms Mixing 4.5 0.000 0 0 0.000 0 0 Seawater 220.5 0.000 0.000 1.000 0.000 0.000 0.980 Sum At = 225 km2 - - - 0.000 0.000 0.980 Secondary symptoms level of expression value for the estuary: 0.98 High

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.985 0.99 High High Macroalgal growth 0.985 SSM Dissolved oxygen 0.000 0.98 High Nuisance algal blooms 0.000 Toxic algal blooms 0.980