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 1311.7 1.000 0.000 0.589 0.000 Tidal freshwater 243.57 1.000 0.000 0.109 0.000 Tidal freshwater 671.72 1.000 0.000 0.302 0.000 Sum At = 2226.99 km2 - - 1.000 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 1311.7 0.000 0.000 0.000 0.000 0.000 0.000 Tidal freshwater 243.57 0.500 0 0 0.055 0 0 Tidal freshwater 671.72 0.500 0 0 0.151 0 0 Sum At = 2226.99 km2 - - - 0.205 0.000 0.000 Secondary symptoms level of expression value for the estuary: 0.21 Low

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 1.000 0.50 Moderate Moderate Low Macroalgal growth 0.000 SSM Dissolved oxygen 0.205 0.21 Low Nuisance algal blooms 0.000 Toxic algal blooms 0.000