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 589.9 1.000 0.000 0.901 0.000 Seawater 63.4 1.000 0.000 0.097 0.000 Tidal freshwater 1.3 0.250 0.000 0.000 0.000 Sum At = 654.6 km2 - - 0.999 0.000 Primary symptoms level of expression value for the estuary: 0.50 Moderate

  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 589.9 0.500 0.250 0.250 0.451 0.225 0.225 Seawater 63.4 0.250 0.250 0 0.024 0.024 0 Tidal freshwater 1.3 1.000 0 0 0.002 0 0 Sum At = 654.6 km2 - - - 0.477 0.225 0.250 Secondary symptoms level of expression value for the estuary: 0.48 Moderate

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.999 0.50 Moderate Moderate Macroalgal growth 0.000 SSM Dissolved oxygen 0.477 0.48 Moderate Nuisance algal blooms 0.225 Toxic algal blooms 0.250