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 14.12 0.500 1.000 0.083 0.166 Mixing 44.36 1.000 1.000 0.522 0.522 Seawater 25.3 1.000 0.000 0.298 0.000 Tidal freshwater 1.2 1.000 1.000 0.014 0.014 Sum At = 84.98 km2 - - 0.917 0.702 Primary symptoms level of expression value for the estuary: 0.81 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 14.12 0.500 0.000 0.000 0.083 0.000 0.000 Mixing 44.36 0.500 0.000 0.000 0.261 0.000 0.000 Seawater 25.3 0.500 0.000 0.000 0.149 0.000 0.000 Tidal freshwater 1.2 0.500 0 0 0.007 0 0 Sum At = 84.98 km2 - - - 0.500 0.000 0.000 Secondary symptoms level of expression value for the estuary: 0.50 Moderate

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.917 0.81 High Moderate High Macroalgal growth 0.702 SSM Dissolved oxygen 0.500 0.50 Moderate Nuisance algal blooms 0.000 Toxic algal blooms 0.000